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R&S SMC100A Service Manual
Contents
1. 1 19 a ia 1 21 UU 1 21 EU DEDIT 1 23 Setting Time only for Option R amp S 1 24 Internal Modulation 1 25 AMPINUGS Modular Ai 1 27 AME SelUmg Jnceltealbily ici e 1 27 BI ak E 1 29 AM Frequency 1 30 Svynchronobls PHITVE WITAM sesso il wet beate opea 1 31 FrEGUCNCY cc 1 32 Aloe cr 1 32 SONG Uncertainty a 1 32 1 33 FM FEequericy RESPONSE Din 1 34 SMmenronouUs AM WIN ETVIG nenne 1 34 Carrier Frequency Offset with FM sess 1 36 Phase Modulaci n 1 37 Philyl Se t ng UncernaiNly u ae 1 37 iR ADI E A 1 38 Frequency 1 39 1411 4060 82 1 1 3 Contents Performance Test R amp S SMC100A F ulse dMIOGdUuldallOl espe peE mut tpa cones 1 40 INOUE Fe IR MO Mein Melina ee 1 40 PRISE sally PIN 1 41 VIdeo CrosstalkK atinente oi 1
2. E 3 Test Assemblies R S SMC100A Test Assembly for Residual AM Test equipment RF analyzer Table 1 1 item 18 Zero Bias Schottky Detector Table 1 1 item 20 Low Noise Preamplifier 10 Hz 30kHz gt 30dB Gain Table 1 1 item 9 10 MHz Ref gt Test setup Detector Preamp Test Assembly for SSB Phase Noise and Jitter Test equipment SSB reference source Table 1 7 item 2 Phase noise test assembly consisting of Spectrum analyzer Table 1 1 item 18 HH O Test setup LO Mixer IF gt HH ARF e 9 o RF 10 MHz Ref 1411 4060 82 1 4 E 3 R amp S SMC100A Test Assemblies Test Assembly for Output Impedance VSWR Test equipment VSWR bridge Table 1 1 item 10 Second signal generator Table 1 1 item 5 Spectrum analyzer Table 1 1 item 18 Test setup 2nd RF Directional coupler HH 9 6dB OUTPUT COUPLED p INPUT RF EH 9 H gt 10 MHz Ref Note The INPUT of the directional coupler is directly screwed to the DUT The second signal generator is connected to the line connector OUTPUT the analyzer to the coupling output COUPLED of the directional coupler Test Assembly for Setting Time Test
3. 3 20 E 3 R amp S SMC100A Troubleshooting Troubleshooting Basis Board Module Supply Voltages Before Troubleshooting on the Basis Board switch the R amp S SMC100A on and measure the supply voltages on its power supply connector X101 see Fig 3 4 and compare them to the values specified in the table below Pin 13 is the Power On Signal for the power supply As long as the voltage at this pin is 5 V the power supply is switched off The power supply is turned on by assigning V to this pin If one or more voltages are not of the required level the power supply is defective OV OV Se Dm 5V_STBY 4 7 5 3 V 4 7 V 5 3 V Fig 3 4 Power Supply Test Points of the Basis Board 1411 4060 82 3 21 E 3 Troubleshooting R amp S SMC100A Fuses Switch on the R amp S SMC100A and measure the voltage drop across the fuses F7 yellow marked see Fig 3 4 with a multimeter The voltage across every fuse should be in the range 100 mV 100 mV The fuses might be blown due to a defective module other than the Basis Board If one of the fuses is blown replace the fuse with the correct type given below Remove connection W222 to the RF Board and the flex strip cable of the display A330 to the Basis Board Switch on the R amp S SMC100A and check the voltage drop across the fuses after two minutes again If one of the fuses is blown again the Basis Board is defective If the fuses a
4. bios 3 27 1411 4060 82 3 1 3 Contents Repair R amp S SMC100A Troubleshooting Reference Oscillator option R amp S SMC B1 3 28 INPUT and anstehen 3 28 Error Messages Concerning the Reference Oscillator Module 3 29 Frequency Error Reference Oscillator 3 29 Module Replacements aaa ii 3 30 FREGUIFCG TOONS aiii o ca 3 30 Overview Of the Modules iii tao 3 30 Atterreplacihg al ASSEMDNY ias 3 31 la O Iu D 3 32 DISMOUNUNG NS TUDE ds 3 33 MOUNINO TNE mm 3 09 QUI rmm 3 34 A o TE 3 34 Replacing the Front UIE unitaria da ot 3 35 Removing the Front Unit A300 1411 4802 02 3 35 Install the Front Unit 1411 4802 020 3 37 Replacing the TFT Display A330 Encoder Board A310 Flex Switch Board Pushbutton Board Set the key frame and front corner 3 39 Removing the TFT Display 330 3 39 Removing the flex switch Board the Pushbutton Set and the key frame 3 40 Removing the Encoder Board 310 3 41 Removing the front corner plate 3
5. External reference oscillator out of range or disconnected Output protection tripped Pep value greater than defined limit Pep value less than defined lower bound fix range Pep value greater than defined upper bound fix range Settings conflict pep value vs AM depth Settings conflict pep value greater than allowed level vs frequency Settings conflict frequency vs deviation vs modulation mode Settings conflict PulseGen 1411 4060 82 Warning correction Check the external reference input signal If the input signal is correct and the error message is still displayed change the module Excessive reverse power at the RF port tripped the output protection Remove the overload condition and press the ON OFF button to enter normal operation The peak envelope power PEP is higher than the set upper limit Reduce the output level The peak envelope power PEP is lower than the permissible lower limit in the fix range mode of the attenuator Increase the output level set the attenuator mode to Auto or reset the fix range by briefly switching the attenuator mode to Auto and then switching back to Fixed The peak envelope power PEP is higher than the permissible upper limit in the fix range mode of the attenuator Reduce the output level set the attenuator mode to Auto or reset the fix range by briefly switching the attenuator mode to Auto
6. gt RES SMC100A FFT Demodulation see chapter Test Methods Settings on DUT RF On Level 0 dBm Phase Modulation menu State on PhiM Source Internal LFGen Frequency 10 kHz Settings on R amp S FSQ see chapter Test Methods SWEEP MEAS TIME 50 ms FREQ AF STOP 50 kHz AMPTD REF LEVEL 0 dBm FREQ CENTER test frequency Read THD from the Display To convert to percent calculate THDpct 100 10 THDdB 20 CF sweep Recommended test frequencies with PhiM deviation 2 5 rad 10 MHz with PhiM deviation 5 rad 400 1 MHz 533 MHz 667 MHz 800 MHz with PhiM deviation 10 rad 1100 MHz with PhiM deviation 20 rad 3200 MHz 1 38 E 3 R amp S SMC100A Test Procedures PhiM Frequency Response Test method FFT Demodulation see chapter Test Methods Measurement gt Settings on RF On Level 0 dBm Phase Modulation menu PhiM Source External PhiM Ext Coupling DC PhiM deviation 5 rad Setting on the signal generator The internal LF generator of the signal generator delivers the modulation signal to the external modulation input of the DUT The level of the modulation signal is controlled by use of an AC voltmeter Item 14 of Table 1 1 LFGen Voltage 1 V peak State ON Settings on R amp S FSQ FFT Demodulation gt Vary the signal generator frequency and measure the modulation deviation gt The modulation frequency response is the factor between the greatest and the
7. R amp S SMC100A Contents Performance Test Contents Chapter 1 Performance Test 1 Checking the Rated Characteristics 1 1 Measuring Equipment and Accessories 2 1 1 1 SU PAS SO UNS 1 0 0 0 u E 1 3 Standard Test Assembly for Analog Modulations 1 3 Test Assembly for Pulse 1 Test Assembly TOF Residual AM sure ae a ee 1 4 Test Assembly for SSB Phase Noise and 1 4 Test Assembly for Output Impedance 5 1 5 Test Assembly for Setting 1 5 Preparation Recommended Test Frequencies and Levels 1 6 Test PFOCEAUFSS e rr 1 7 Reterence Pre QUE CV 2 nee 1 7 Output of Internal 1 7 Input for External Reference 1 8 o et EE 1 9 OO LR 1 9 Setting Time only for Option R amp S 5 4 1 9 Spectral PU us 1 14 HANNON nee Deal 1 11 euren 1 12 Non systematic 1 13 WIdaeband rotar 1 14 A A 1 16 FOS IC A ee A 1 17 o e re
8. Most probably the RF Board is defective Check the RF Board being supplied correct see page 3 23 If RF output is not switched of the RF Board is defective Most probably the RF Board is defective Check the RF Board being supplied correct see page 3 23 Most probably the RF Board is defective Check the RF Board being supplied correct see page 3 23 E 3 R amp S SMC100A Troubleshooting 10 MHz Reference R amp S SMC100A setting R amp S SMC100A without Reference Oscillator Output faulty R amp S SMC B1 Setup Reference internal Most probably the RF Board is defective Measure 10 MHz reference output signal with spectrum Check the RF Board being supplied correct analyzer or frequency counter and power meter Output see page 3 23 frequency and level have to meet the specifications given in the data sheet R amp S SMC100A with Reference Oscillator R amp S SMC B1 Remove the Reference Oscillator R amp S SMC B1 see page 3 57 and perform this test again If still failing most probably the RF Board is defective Check the RF Board being supplied correct see page 3 23 If the 10 MHz reference signal is in tolerance most probably the Reference Oscillator R amp S SMC B1 is defective Check this module being supplied correct see page 3 28 LFGen Output R amp S SMC100A settings Check the connection of cable W215 to the Fault RF Board see page 3 52 i LFGen Stat off If it is connected
9. fuse holder Pull the fuse of the fuse holder Installing Fuse gt Push the fuse in the fuse holder Fuse 5 x 20 250V 3 154 Screw the fuse holder at the rear panel of the instrument 1411 4060 82 3 34 E 3 R amp S SMC100A Module Replacement Replacing the Front Unit A300 See drawings Front Unit 1411 4802 01 Front Connector Plate 1411 4748 00 and R amp S SMC100A 1411 4002 01 NOTICE The new front unit 1411 4802 02 can be used on Basis Board 1406 6700 04 with change index starting from 4 00 Removing the Front Unit A300 1411 4802 02 gt Switch off the instrument and pull the mains plug Dismounting the tube see page 3 33 gt Disconnect the 4 screws remove the protective corner front left and right 520 and 530 and the front cover R amp S SMC100A 500 520 500 530 gt e b lg e 977 9 Ej amp SIGNAL GENERATOR 9 kHz 3 2 GHz e ROHDE amp SCHWARZ SMC100A screws gt Disconnect the four screws 401 two on the top side and two on the bottom side of the front unit A300 400 mt rm ECCE COCe 368 2 401 9 kHz 3 2 GHz 1411 4060 82 3 35 E 3 Module Replacement R amp S SMC100A gt Pull off the flex switch board cable 403 from X112 the flex strip cable W310 413 from X111 and the flex strip cable of the displ
10. Instrucciones de seguridad elementales Es imprescindible leer y cumplir las siguientes instrucciones e informaciones de seguridad El principio del grupo de empresas Rohde amp Schwarz consiste en tener nuestros productos siempre al d a con los est ndares de seguridad y de ofrecer a nuestros clientes el m ximo grado de seguridad Nuestros productos y todos los equipos adicionales son siempre fabricados y examinados seg n las normas de seguridad vigentes Nuestro sistema de garant a de calidad controla constantemente que sean cumplidas estas normas El presente producto ha sido fabricado y examinado seg n el certificado de conformidad de la UE y ha salido de nuestra planta en estado impecable seg n los est ndares t cnicos de seguridad Para poder preservar este estado y garantizar un funcionamiento libre de peligros el usuario deber atenerse a todas las indicaciones informaciones de seguridad y notas de alerta El grupo de empresas Rohde amp Schwarz est siempre a su disposici n en caso de que tengan preguntas referentes a estas informaciones de seguridad Adem s queda en la responsabilidad del usuario utilizar el producto en la forma debida Este producto est destinado exclusivamente al uso en la industria y el laboratorio o si ha sido expresamente autorizado para aplicaciones de campo y de ninguna manera deber ser utilizado de modo que alguna persona cosa pueda sufrir dario El uso del producto fuera de sus fines definidos o
11. Pullof the power supply cable from X101 from the Basis Board 2 A100 150 Pullthe power supply forwards and remove it 1411 4060 82 3 46 E 3 R amp S SMC100A Module Replacement Install the Power Supply A50 Move the power supply into the instrument and push it backwards Plug the power supply cable in X101 from the Basis Board 2 A100 150 Connect the power supply holder1 2 204 with the two screws 206 on both sides of the instrument Connect the three combinations screws 160 on the back side of the instrument V V Mounting the tube see page 3 33 1411 4060 82 3 47 E 3 Module Replacement R amp S SMC100A Replacing the Basis Board 2 A100 see chapter 5 drawing 1411 4002 01 Removing the Basis Board 2 Switch off the instrument and pull the mains plug Dismounting the tube see page 3 33 Removing the power supply see page 3 46 VY V Unscrew the three combinations screws 160 on the back side of the instrument gt Pull off the flex switch board cable 403 from X112 the flex strip cable W310 413 from X111 and the flex strip cable of the display 408 from X2113 m what 1411 4060 82 3 48 E 3 R amp S SMC100A Module Replacement Unscrew the six screws 160 from the Basis Board 2 A100 150 710 Fan cable gt Pull off the IEC Bus Cable W108 710 from X108 the fan cable from X116 and W222 cable BB RF Board 440 from X103 Remove the B
12. Residual FM Test assembly Test method Measurement 1411 4060 82 Test Procedures Connect spectrum analyzer to RF socket of the DUT The FM demodulator of the analyzer is used to FM demodulate the CW signal of the DUT By setting the AF low pass and high pass filters the RMS value in the desired bandwidth can be measured The value displayed is the sum of the analyzer residual FM and the DUT residual FM Because they are uncorrelated the displayed result is worse than residual RMS of the DUT alone Therefore if the sum is in tolerance according to the data sheet the DUT is also in tolerance Settings on DUT frequency 1 GHz Level 0 dBm oettings on analyzer CENTER 1 GHz REFERENCE LEVEL 1 dBm FM DEMOD FM DEMOD gt MEAS TIME 100ms FM DEMOD gt DEMOD BW 200 kHz FM DEMOD gt AF FILTER gt HIGH PASS AF FILTER 300 Hz FM DEMOD gt AF FILTER gt LOW PASS AF FILTER 3 kHz The Residual FM in the frequency range 300 Hz 3 kHz is the RMS value displayed Repeat the measurement with setting the HIGH PASS AF FILTER to 20 Hz and the LOW PASS AF FILTER to 23 kHz Limits and filters according datasheet Test Procedures Example Ref O Hz 200k Att 30 dB IFB 2 MHz AQT 50 ms R amp S SMC100A 150k 100k 50k 50k 100k 150k 200k Center 1 GHz Frequency Modulation Summary Coupling Deviation Date 22 FEB 2008 DC tpeak
13. Zeichn Nr Drawing No o y 2 gt Ma stab Toleranz nung Designation Y e Name N C L x C a E e L7 9 CN O 0 D D O gt DD CC Oc DO N E D O 0 od dD Li wo y owo oc gt gt 0 0 N co HHH OX ipie ve ND 512 02 mul O 5 O t XI Oz ze ir FOX OCO O 0 0 REX ed c 2 L 0 ux CN M C om N i X cc O NY 25 LLJ Ls o O o Pos 50 5x EAM _ Ansicht von unten rechts Ansicht von oben paAJ8saJ aso 514611 jueun20p siu 104 z2 JOA 9 D SUN JIM zu wnyoq s s ip JNJ RAW A AC erst nach der Montage durch den Blechdurchbruch ziehen Silikonmatte vorsichtig ohne VVerkzeug an der Trennfuge auseinander reissen e a Sy S an IN 4 AN S ET A YAN Y D e de Y Y Y YO en Ww UYY JAN Mp N AAN ETAT A LY UA T a O O 2227 2724 cm 4 2
14. a s U 2 5 VEIT OK A JJ 170 Kabelanschluss der Schaltfolie y V a IT LL O MAN E Y OH po uesoij sujDu SI 104 9 JOA 31yN9Y sun JIM sesoip ung EO T EC Y 2 N v FRONT UNIT SMC 2010 03 10 Datum Date ROHDE amp SCHWARZ SMC A AA AA NN O For this document all rights are reserved Fur dieses Dokument behalten wir uns alle Rechte vor Projektions me thode Projection Method ee ROHDE amp SCHWARZ FRONTANSCHLUSSPLATTE FRONT CONNECTOR PLATE a 2008 05 28 1ZKS 2 14 dp cw o 1411 4748 00 D
15. and then switching back to Fixed The peak envelope power PEP is higher than the permissible upper limit because of the set AM modulation depth Reduce the output level or increase the level limit e g by switching the attenuator mode to Auto if Normal or Fixed mode was set Reducing the AM modulation depth will also eliminate the warning The full output level range cannot be utilized at low frequencies below 500 kHz because internal components may be overloaded Reduce the output level to eliminate the warning The deviation setting in frequency or phase modulation is incorrect Check deviation setting of frequency or phase modulation Settings for the internal pulse generator are incorrect Check timing settings of the pulse generator 3 26 E 3 R amp S SMC100A Frequency Error Error Internal reference frequency Frequency error greater than limit given in datasheet 1411 4060 82 Troubleshooting Error correction gt Note The frequency accuracy of the synthesizer is determined set to internal reference without option R amp S SMC B1 OCXO by a highly stable 20 MHz quartz oscillator that is set to a calibrated frequency standard at the R amp S factory This oscillator is subject to ageing and can be recalibrated see chapter 2 Adjustment of internal Reference Frequency The internal reference can be impaired under the menu Setup Reference Oscillator Adjustment This setting does not affe
16. p ej refrigerantes o aceites de motor con intervalos de cambio definidos deben tenerse en cuenta las indicaciones de seguridad del fabricante de dichas sustancias y las normas regionales de eliminaci n de residuos Tenga en cuenta tambi n en caso necesario las indicaciones de seguridad especiales contenidas en la documentaci n del producto La eliminaci n incorrecta de sustancias peligrosas o combustibles puede causar da os a la salud o da os al medio ambiente oe puede encontrar m s informaci n sobre la protecci n del medio ambiente en la p gina web de Rohde amp Schwarz 1171 0000 42 08 Page 14 Instructions Instrucciones Instructions for Electrostatic Discharge Protection Risk of damaging electronic components To avoid damage of electronic components the operational site must be protected against electrostatic discharge ESD Wrist strap with cord f Building ground Floor mat Heel strap Ground connection of operational site The following two methods of ESD protection may be used together or separately e Wrist strap with cord to ground connection e Conductive floor mat and heel strap combination 1171 0300 62 E Esp 3 Instructions Instrucciones Instrucciones para la protecci n contra descargas electroest ticas Riesgo de aver a de los componentes electr nicos Para evitar aver as en los componentes electr nicos el rea de trabajo tie
17. 2 2 Do not place the product on surfaces vehicles cabinets or tables that for reasons of weight or stability are unsuitable for this purpose Always follow the manufacturer s installation instructions when installing the product and fastening it to objects or structures e g walls and shelves An installation that is not carried out as described in the product documentation could result in personal injury or even death 3 Do not place the product on heat generating devices such as radiators or fan heaters The ambient temperature must not exceed the maximum temperature specified in the product documentation or in the data sheet Product overheating can cause electric shock fire and or serious personal injury or even death Electrical safety If the information on electrical safety is not observed either at all or to the extent necessary electric shock fire and or serious personal injury or death may occur 1 Prior to switching on the product always ensure that the nominal voltage setting on the product matches the nominal voltage of the mains supply network If a different voltage is to be set the power fuse of the product may have to be changed accordingly 2 Inthe case of products of safety class with movable power cord and connector operation is permitted only on sockets with a protective conductor contact and protective conductor 3 Intentionally breaking the protective conductor either in the feed line or in the product i
18. 2 E 3 R amp S SMC100A Instrument Design and Function Description RF Board The RF BOARD contains the complete measuring hardware of the instrument The RF and LF signals are generated and modulated on the module The output level is controlled by a level control loop controlling the level before the step attenuator The fully electronic step attenuator is temperature compensated to achieve very precise output levelling of the instrument The RF Board is equipped with a reverse power protection to ensure the instrument not being damaged due to supplying reverse power to the RF output of the instrument The module is controlled by the Basis Board via a serial bus and few additional control signals Implemented functions Reference crystal oscillator and reference frequency switch Synthesizer LF generator Pulse generator and Pulse modulator control Modulation matrix and DDS with AM FM PhiM modulator AM modulator Harmonics filters Pulse modulator RF amplifiers Level control Step Attenuator Reverse power protection Diagnostics Internal and external 10 MHz reference The instrument s reference frequency is determined either by the built in TCXO the optionally built in OCXO option R amp S SMC B1 or by an external 10 MHz reference signal that is fed to the input X201 REFIN The output X202 REFOUT provides a buffered 10 MHz signal which has been derived from the active reference source TCXO 20 MHz crystal oscillator In Ref
19. 2 kHz Settings on R amp S FSQ DEMOD BW 5 FM deviation RANGE DEVIATION PER DIV 250 kHz RESULT DISPLAY FM AF SPECTRUM SWEEP MEAS TIME 50 ms FREQ AF STOP 50 kHz Read the THD from the display To convert to percent calculate THDpct 100 10 THDdB 20 gt CF sweep Recommended test frequencies with FM deviation 250 kHz 10 MHz with FM deviation 500 kHz 400 1 MHz 533 MHz 667 MHz 800 MHz with FM deviation 1 MHz 1100 MHz with FM deviation 2 MHz 3200 MHz 1 33 E 3 Test Procedures FM Frequency Response RES SMC100A Test Method FFT Demodulation see chapter Test Methods Measurement Settings on DUT RF On Level 0 dBm Frequency 23 MHz Frequency Modulation menu FM Source External FM Ext Coupling DC FM deviation 100 kHz Setting on the signal generator The internal LF generator of the signal generator delivers the modulation signal to the external modulation input of the DUT The level of the modulation signal is controlled by use of an AC voltmeter Item 14 of Table 1 1 LFGen Voltage 1 V peak State ON Recommended settings Synchronous AM with FM Settings on R amp S FSQ FFT Demodulation Vary the signal generator frequency and measure the modulation deviation The modulation frequency response is the factor between the greatest and the smallest modulation deviation LF in logarithmic steps 3 steps per decade 1 2 5 from 10 Hz to 100
20. 29 A 3 34 Internal 5 0 00 0002 4200050000004 3 16 L Level Test ass 1 20 Measuring equipment Troubleshooting du Modulation Analog Test asSemblysibo s od T3 Modulation generator Test DIOCEdUre us een 1 24 Module 3 30 Modules OVEIVIOW du cuc 3 30 MOrtherDOard m 3 0 O Option 4 2 TORNEO 4 2 Output impedance Test assembly su ds ouv PEE OR d 1 9 1411 4060 82 Index P Phase noise Test 45Se MD 1 4 FOWOF cables sia 5 2 Power Supply 3 0 Protection service functions 3 14 Pulse modulation Test DIOCOQUFO si haie ode Fore nes 1 38 R Rated characteristics e om em 1 1 TESEO CO AUS tie lest dee 1 7 Reference frequency Test proceduro 1 7 Replacement A CD M EU rS 3 30 Replacing FUSES caters una 3 34 Residual AM Tesi GSSCMOIV sx cs tem os 1 4 S SOMWare UPA da 4 1 Spectral purity Test procedure see ed 1 10 oSWitchson DIODIEMS sinn near nee 3 9 T A et ape 1 3 Analog MOQUIGUONS u un 1 3 Output Impe
21. 407 NOTICE When installing the display make sure it is free of dust and fingerprints 9 kHz 3 2 GHz gt Move the Knob 416 on the front side of the R amp S SMC100A 416 dab EE cm OCC A EEE o L a IGE 9 kHz 3 2 GHz gt Install the Front Unit 400 see page 3 37 1411 4060 82 3 43 E 3 Module Replacement R amp S SMC100A Install the Encoder Board A310 Move the encoder board A310 411 and screw it with the two screws 412 20088 gt Install the Front Unit A300 400 see page 3 37 1411 4060 82 3 44 E 3 R amp S SMC100A Module Replacement Install the front corner plate gt Move the front corner plate 414 backwards and screw it with the four screws 406 E ODO 00008 9 kHz 3 2 GHz gt Install the Front Unit A300 400 see page 3 37 gt Mounting the tube see page 3 33 1411 4060 82 3 45 E 3 Module Replacement R amp S SMC100A Replacing the Power Supply A50 see drawing 1411 4002 01 Removing the Power Supply A50 gt Switch off the instrument and pull the mains plug Dismounting the tube see page 3 33 Disconnect the three combinations screws 160 on the back side of the instrument 160 Disconnect the two screws 206 from the power supply holder 1 2 204 150 X101 Power supply cable 206 gt
22. 41 Install the Flex switch Board the Pushbutton Set the key frame a a the TFT MIS OIA EINST 3 42 Install the Encoder Board 310 3 44 Install the front corner plate ta 3 45 Replacing the Power Supply ADU tesi ii een liada 3 46 Removing the Power Supply 50 3 46 Install the Power Supply 0 3 47 Replacing the Basis Board 2 100 3 48 Removing the Basis Board 2 3 48 Installing the Basis Board ii 3 50 Replacing the SIM Card A Eee has 3 51 Replacing the RF Board A200 uiii iere Wi dh Bees uds 3 52 REMOVIRGINERF BOATd nee tid Brel idit du 3 52 MSANI INE RF BOA ic 3 53 Replacing te WAC E T Aa 3 55 REMOVING the Fan Unit VE las 3 55 Install the M 3 55 Replacing Ihe R amp S SMC B Tc a een 3 56 Mstalthe RSS SMC B 3 56 Remove the Reference Oscillator R amp S 5 1 3 57 1411 4060 82 I 3 2 E 3 R amp S SMC100A Purpose 3 Repair Purpose NOTICE Validity e his version of the document describes the instrument R amp S SMC100A starting with Serial Number 102000 e tdiffers from former versions in a new front unit caused by a new TFT d
23. 42 Pue General OF TT ITE 1 43 PUESE VIDEO ee a ei 1 43 1411 4060 82 1 2 3 R amp S SMC100A Measuring Equipment and Accessories 1 Checking the Rated Characteristics This performance test describes the steps for testing the R amp S SMC Signal Generator family and the installed options with respect to function and compliance with specifications In the following the term DUT Device under Test is used for any signal generator of this family The tests to be performed depend on the installed options The values are given in the data sheet of the respective instrument Measuring Equipment and Accessories Table 1 1 Measuring equipment and accessories Wem Type of Instrument Required Characteristics Suitable Instrument R amp S Order No 1 Frequency counter 1 Hz to RF max resolution 0 1 Hz included in spectrum analyzer item 18 Reference source for SSB Identical generator as DUT or R amp S SMC100A with suited 1411 4002 02 noise measurements generator with at least 10 dB frequency option lower SSB noise as DUT R amp S SMB100A with suited 1406 6000 02 Frequency range up to RFmax frequency option Reference Synthesizer or 1158 2878 R amp S SMA100A with option 1400 0000 02 R amp S SMA B106 or 1405 0809 02 R amp S SMU200A with option 1142 2005 02 R amp S SMU B106 1141 8803 02 Signal generator 0 1 MHz to RFmax R amp S SMB with option 1406 6000 02 R amp S SMB B106 1407 2909 02 R amp S SMU with options 1141 2005 02 R amp S SMU B1
24. Amplitude Modulation On AM Source Internal LF Gen Frequency 1 kHz Settings on analyzer AMPTD gt REF LEVEL test level 6 dB FREQ gt CENTER 150 MHz FM DEMOD FMDEMOD ON RESULT DISPLAY gt AM DEMOD BW 50 kHz RANGE gt DEVIATION PER DIV 20 MEAS TIME 100 ms gt set the AM Depth to the recommended modulation depths and read the modulation depth tpeak 2 from the analyzer gt set DUT to AM Source External AM Ext Coupling AC AM Depth 80 LF Gen Output On Connect LF output to MOD EXT input and read the modulation depth tpeak 2 from the analyzer m 5 10 20 40 60 80 1 27 E 3 Test Procedures R amp S SMC100A Measurement of accuracy Settings on DUT versus RF RF On Frequency recommended test frequencies Level 0 dBm Amplitude Modulation On AM Source Internal LF Gen Frequency 1 kHz AM Depth 80 Settings on analyzer AMPTD gt REF LEVEL 6 dBm FREQ gt CENTER same as DUT FM DEMOD FMDEMOD ON RESULT DISPLAY gt AM DEMOD BW 50 kHz RANGE gt DEVIATION PER DIV 20 MEAS TIME 100 ms measure the modulation depth for all recommended test frequencies Recommended test 100 kHz 1MHz 23 4375 MHz 23 438 MHz 99 9 MHz 399 9 MHz frequencies 1100 MHz 1599 9 MHz 1600 1 MHz 2262 9 MHz 3200 MHz 1411 4060 82 1 28 E 3 R amp S SMC100A AM Distortion Test assembly Measurement Recommended test frequencies 1411 4060 82 Test Procedures See section Standard T
25. Instrument type for which the spare part is needed Instrument stock number Instrument serial number Contact person for possible questions Refurbished Modules Refurbished modules are an economical alternative to original modules Bear in mind that refurbished modules are not new but repaired and fully tested parts They may have traces from use but they are electrically and mechanically equivalent to new modules Your Rohde amp Schwarz representative will be happy to inform you about which modules are available as refurbished modules Taking Back Defective Replaced Modules Defective modules of the replacement program which cannot be repaired are taken back within three months following delivery A repurchasing value is credited Excluded are parts which cannot be repaired e g printed boards that are burnt broken or damaged by attempts to repair them incomplete modules and parts with severe mechanical damage Please return the defective replacement modules together with the accompanying document for returned merchandise which you received with the spare module We need the following information Stock number serial number and designation of the removed part Detailed error description Stock number serial number and type of instrument from which the module was removed Date of removal Name of the engineer technician who replaced the module R amp S ordering number Service reference number if available 1171 0200 61 02
26. Method Measurement Recommended settings 1411 4060 82 R amp S SMC100A See section Standard Test Assembly for Analog Modulations page 1 3 The FM deviation and distortion are determined by digital signal processing in the spectrum analyzer Settings on R amp S FSQ AMPTD REF LEVEL test level FREQ CENTER test frequency FMDEMOD FMDEMOD ON RESULT DISPLAY FM resp PM DEMOD BW gt 2 deviation fmod for FM DEMOD BW gt 2 fmod 1 deviation for PM RANGE DEVIATION PER DIV 0 5 deviation MEAS TIME 3 fmod for distortion up to 3 harmonic RESULT DISPLAY FM resp PM AF SPECTRUM DEMOD BW gt 2 deviation 3 5 fmod for FM DEMOD BW gt 7 fmod 1 deviation for PM MEAS TIME 16 fmod FFT Demodulation see chapter Test Methods Settings on DUT RF On Level 0 dBm Frequency Modulation menu State on FM Source Internal Recommended test frequencies 10 MHz 1000 MHz with LFGen Freq 1 kHz FM Deviation 100 kHz Repeat measurement at 1000 MHz with changing settings to FM Source External FM Ext Coupling AC feed in a 1 kHz 1Vp external modulation signal at the MOD EXT connector 1 32 E 3 R amp S SMC100A FM Distortion Test Method Measurement Recommended settings 1411 4060 82 Test Procedures FFT Demodulation see chapter Test Methods Settings on DUT RF On Level 0 dBm Frequency Modulation menu State on FM Source Internal LFGen Frequency
27. and Function Description R amp S SMC100A Harmonics filters The output signal of the frequency dividers is a square wave signal To reach the guaranteed harmonic performance see datasheet the harmonics of the RF signal have to be suppressed Due to the wide RF frequency range multiple filters are needed The different filters are selected according to the RF output frequency and their cut off frequency They are put into the RF signal path by the means of RF switches LF generator A DDS generates the LF sine wave signal This signal can be used as a source for internal modulation or as output signal at LFOUT BNC connector for frequencies up to 100 kHz The output amplitude of the LF signal is set with a multiplying DAC in the range from 10 mV to 2 55 V Pulse generator and Pulse Modulator The pulse generator is digitally implemented in an FPGA The pulse generator has three different modes The pulse generator can run free can be triggered or gated externally using the PULSE EXT input The input impedance at the PULSE EXT BNC connector is fixed to high impedance The pulse signal serves as a source for internal pulse modulation and can additionally be applied at the output PULSE VIDEO in a buffered way Below 23 4375 MHz the pulse modulator is implemented digitally switching on and of the output signal of the DAC Above 23 4375 MHz three CMOS FET switches are used as pulse modulator Modulation matrix and modulator The exter
28. cada caso A menos que est permitido expresamente no retire nunca la tapa ni componentes de la carcasa mientras el producto est en servicio Esto pone a descubierto los cables y componentes el ctricos y puede causar lesiones fuego o da os en el producto Si un producto se instala en un lugar fijo se deber primero conectar el conductor de protecci n fijo con el conductor de protecci n del producto antes de hacer cualquier otra conexi n La instalaci n y la conexi n deber n ser efectuadas por un electricista especializado En el caso de dispositivos fijos que no est n provistos de fusibles interruptor autom tico ni otros mecanismos de seguridad similares el circuito de alimentaci n debe estar protegido de modo que todas las personas que puedan acceder al producto as como el producto mismo est n a salvo de posibles da os Todo producto debe estar protegido contra sobretensi n debida p ej a una ca da del rayo mediante los correspondientes sistemas de protecci n Si no el personal que lo utilice quedar expuesto al peligro de choque el ctrico No debe introducirse en los orificios de la caja del aparato ning n objeto que no est destinado a ello Esto puede producir cortocircuitos en el producto y o puede causar choques el ctricos fuego o lesiones Salvo indicaci n contraria los productos no est n impermeabilizados ver tambi n el cap tulo Estados operativos y posiciones de funcionamiento punto 1 Po
29. centers see address list for module replacement and further error elimination Some module replacements involve calibration procedures requiring calibrated equipment and appropriate software CAUTION Danger of shock hazard For module replacement ensure that the instrument is switched off and disconnected from the power supply by removing the plug from the AC and DC power connector Read all safety instructions at the beginning of this manual carefully before module replacement NOTICE Risk of damage to the boards Be careful not to cause short circuits when measuring voltages at pins placed close together The following utilities are provided in the signal generator for easy diagnosis Internal selftest Internal diagnosis test points Internal adjustments Info line with error messages and history of messages Internal keyboard test Note When problems occur first check whether any connections cables plug in connections of boards etc are damaged or wrongly connected Measuring Equipment and Accessories Type of equipment Specifications recommended Equipment R amp S recommended order No DC voltmeter RAS URE 0350 5315 02 Spectrum analyzer Frequency range 0 to 7 GHz R amp S FSP 1164 4391 07 3 Adapting cable 1 m long 1129 8259 00 SMP to SMA connection Oscilloscope 100 MHz Hameg HM504 2 1411 4060 82 3 7 3 Troubleshooting R amp S SMC100A Switch On Problems The yellow LED on the front panel next to the
30. correct most probably the Measure the input resistance of the LF signal output with RF Board is defective Check the RF Board a multimeter The input resistance should be 10 O 10 R amp S SMC100A settings Most probably the RF Board is defective Check the RF Board being supplied correct see page 3 23 being supplied correct see page 3 23 Setup Reference internal LFGen Stat on LFGen Level 1 V LFGen Frequency 100 kHz Attention LF specification applies to loads greater or equal 50 only Check the level at the LF BNC Connector with an oscilloscope or voltage meter Check the frequency and harmonic distortion with an oscilloscope with FFT functionality or with a spectrum analyzer MOD Ext Input Measure the input resistance of the Mod Ext BNC Check the connection of cable W214 to the Faulty connector signal with a multimeter The input resistance RF Board see page 3 52 should be 221 kO 20 If connected correct most probably the RF Board is defective Check the RF Board being supplied correct see page 3 23 1411 4060 82 3 19 E 3 Troubleshooting R amp S SMC100A Amplitude Modulation Faulty Frequency Phase Modulation Faulty Pulse Generator Pulse Modulator Faulty Faulty Remote interface 488 USB or LAN 1411 4060 82 The AM is specified only up to the Peak Envelope Power Most probably the RF Board is defective PEP noted in the datasheet The PEP value of an AM
31. ej celdas de litio debe seguir el est ndar EN 62133 1 2 No deben desmontarse abrirse ni triturarse las celdas Las celdas o bater as no deben someterse a calor ni fuego Debe evitarse el almacenamiento a la luz directa del sol Las celdas y bater as deben mantenerse limpias y secas Limpiar las conexiones sucias con un pa o seco y limpio Las celdas o bater as no deben cortocircuitarse Es peligroso almacenar las celdas o bater as en estuches o cajones en cuyo interior puedan cortocircuitarse por contacto rec proco o por contacto con otros materiales conductores No deben extraerse las celdas o bater as de sus embalajes originales hasta el momento en que vayan a utilizarse Las celdas o bater as no deben someterse a impactos mec nicos fuertes indebidos En caso de falta de estanqueidad de una celda el l quido vertido no debe entrar en contacto con la piel ni los ojos Si se produce contacto lavar con agua abundante la zona afectada y avisar a un m dico En caso de cambio o recarga inadecuados las celdas o bater as que contienen electrolitos alcalinos p ej las celdas de litio pueden explotar Para garantizar la seguridad del producto las celdas o bater as solo deben ser sustituidas por el tipo Rohde amp Schwarz correspondiente ver lista de recambios Las bater as y celdas deben reciclarse y no deben tirarse a la basura dom stica Las bater as o acumuladores que contienen plomo mercurio o cadmio deben tra
32. equipment Spectrum analyzer Table 1 7 item 18 Pulse generator Table 1 1 item 13 Test setup Pulse generator Trigger pulse gt Y Y HH gt 10 MHz Ref p RF 1411 4060 82 1 5 E 3 Preparation Recommended Test Frequencies and Levels R amp S SMC100A Preparation Recommended Test Frequencies and Levels To ensure proper conditions for the performance test and prevent setting errors the instrument must be prepared as follows e Allow for a minimum warm up time of 30 minutes at ambient temperature e Carry out all internal adjustments see operating manual chapter 4 section Internal Adjustment oetup System e Press to establish a defined initial state before configuring a new measurement The following sections describe the procedures for checking the rated values The values are specified in the data sheet Additional uncertainties introduced by the measurement equipment must be taken into account when checking the rated values The following table lists the important internal switch point frequencies and the recommended measurement frequencies derived from these frequencies We recommend measurements at these frequencies unless particular test frequencies are specified In the following RFnax is the maximal settable RF depending on installed options Table 1 1 Range limits main test frequencies for CW Mode Hardware switching points Recommend
33. for sufficient mechanical and antistatic protection e Use the original packaging for transporting or shipping the instrument The protective caps for the front and rear prevent damage to the operating elements and the connectors e f you do not use the original packaging provide for sufficient padding to prevent the instrument from slipping inside the box Wrap antistatic packing foil around the instrument to protect it from electro static charging Rohde amp Schwarz offers repair and calibrations of the test systems it produces The calibration documentation fulfills ISO 17025 requirements Shipping Defective Modules Also when shipping a module be careful to provide for sufficient mechanical and antistatic protection e Ship the module in a sturdy padded box e Wrap the module in antistatic foil If the packaging is only antistatic but not conductive additional conductive packaging is required The additional packaging is not required if the tightly fitting packaging is conductive Exception If the module contains a battery the tightly fitting packaging must always consist of antistatic non chargeable material to protect the battery from being discharged 1171 0200 61 02 1 Ordering Spare Parts To deliver spare parts promptly and correctly we need the following information Stock number see list of spare parts in chapter Documents Designation Component number according to list of spare parts Number of pieces
34. gt The level difference between the output level with Polarity Inverse and Polarity Normal is the ON OFF ratio Recommended test frequencies 5 MHz 150 MHz 400 MHz 1 1 GHz 2 2 GHz 3 GHz 3 2 GHz 1411 4060 82 1 40 E 3 R amp S SMC100A Rise Fall Time Test assembly Test method Measurement Recommended test frequencies 1411 4060 82 Test Procedures Test Assembly for Pulse Modulation see page 1 3 The RF signal is down converted to O Hz in phase Thus the IF output reproduces the RF amplitude vs time Setting on pulse generator For adjustment statically high level for measurement square wave pulse sequence with a frequency of 0 5 MHz TTL level Setting on DUT RF On Level 0 dBm Frequency recommended test frequencies Pulse Modulation menu State On Setting on Signal Generator RF On Level Recommended Lo Level of Mixer Frequency same as DUT Setting on oscilloscope Adjust V div according to the mixer in use Time base 20 ns div Trigger for adjustment free running for measurement 50 of signal amplitude rising and falling edge Adjustment At each test frequency adjust phase using menu RF Mod Frequency Phase Phase Settings Vary the Delta Phase to obtain maximal signal output at the mixers IF port The voltage at maximum corresponds to 100 of RF amplitude Measurement Evaluate the down converted pulse modulated signal on the oscilloscope gt Rise time tim
35. may be very heavy Therefore the product must be handled with care In some cases the user may require a suitable means of lifting or moving the product e g with a lift truck to avoid back or other physical injuries Handles on the products are designed exclusively to enable personnel to transport the product It is therefore not permissible to use handles to fasten the product to or on transport equipment such as cranes fork lifts wagons etc The user is responsible for securely fastening the products to or on the means of transport or lifting Observe the safety regulations of the manufacturer of the means of transport or lifting Noncompliance can result in personal injury or material damage If you use the product in a vehicle it is the sole responsibility of the driver to drive the vehicle safely and properly The manufacturer assumes no responsibility for accidents or collisions Never use the product in a moving vehicle if doing so could distract the driver of the vehicle Adequately secure the product in the vehicle to prevent injuries or other damage in the event of an accident 1171 0000 42 08 Page 6 Instrucciones de seguridad elementales Waste disposal Environmental protection 1 Specially marked equipment has a battery or accumulator that must not be disposed of with unsorted municipal waste but must be collected separately It may only be disposed of at a suitable collection point or via a Rohde amp Schwarz customer ser
36. on the internet http www rohde schwarz com product smc100a Hardware Options Installation and replacement of hardware options is described in chapter 3 of this service manual Please also note the mounting instructions enclosed with the options These mounting instructions can be filed at this place in the service manual and are thus easily available whenever they are required CAUTION Danger of shock hazard For module replacement ensure that the instrument is switched off and disconnected from the power supply by removing the plug from the AC and DC power connector Read all safety instructions at the beginning of this manual carefully before module replacement NOTICE Danger of damage to components of the module Protect the operational site against electrostatic discharge to avoid damage to electronic components of the modules For details refer to the safety instructions at the beginning of this manual The Installed Options menu provides information on the already installed options 1411 4060 82 4 2 E 2 R amp S SMC100A Installing the Options Software Options All available software options are already included in the latest firmware They are ready to operate after they are enabled by means of a key code supplied with the option Only if the R amp S SMC is equipped with an older firmware version a firmware update prior to enabling the software option may be required The information on the valid firmware versions for t
37. resolution bandwidth to 2 kHz Measure carrier level P all signals other than the carrier must be below P 60 dB Set analyzer span to 100 kHz and resolution bandwidth to 200 Hz all signals other than the carrier must be below P 60 dB Note Some of the nonharmonics suppression values to be measured might be outside analyzer specifications In case of doubt repeat the measurement with a 3 dB attenuator pad at the analyzer input If the nonharmonics suppression changes the nonharmonics are due to the analyzer Because of the bell shaped noise of the analyzer near the carrier smaller resolution bandwidths may have to be used To exclude amplitude independent nonharmonics of the analyzer use a second generator with different synthesis architecture 1411 4060 82 1 13 E 3 Test Procedures Wideband Noise Test assembly Test method Measurement 1411 4060 82 R amp S SMC100A Connect spectrum analyzer to RF socket of the DUT The carrier power is measured first Then the center frequency of the analyzer is increased by 10 MHz and the noise power in a small bandwidth is measured The difference of the carrier power and the noise power in 1 Hz bandwidth which is calculated from the measurement is defined as wideband noise Because wideband noise degrades with lower electronic levels in front of the output step attenuator the output level of the generator has to be set to the lowest level before switching the step attenua
38. slightly offset carrier frequency into the DUT The difference frequency hast to be within the control bandwidth of the level control In the case of ideal source impedance the wave from the auxiliary generator is not reflected by the DUT In the case of not ideal DUT source impedance the output wave of the DUT and the reflected wave of the auxiliary generator are superimposed on one another A directional coupler couples a part of these outgoing superimposed waves to an analyzer The frequency offset results in a beat of the superimposed outgoing waves The VSWR is the ratio between the maximum and minimum amplitude of the beat Settings on DUT Level test level Frequency test frequency unmodulated Settings on spectrum analyzer Test frequency span 0 Hz test level Resolution and video bandwidth 10 kHz Linear level scale Sweep time 20 ms Settings on second signal generator set the frequency to the test frequency 100 Hz set minimum level unmodulated Varythe reference level to bring the line displayed on the screen of the spectrum analyzer approximately into the middle of the screen Measure the voltage of the signal Ver Unscrew the VSWR bridge from the DUT and let the test port open Increase the level of the second signal generator until the voltage on the analyzer is Ves 0 5 gt Screw the VSWR bridge onto the DUT again Measure the maximum voltage Vmax and minimum voltage Vmin o
39. that only skilled and specialized staff or thoroughly trained personnel with the required skills be allowed to use the product If personal safety gear is required for using Rohde amp Schwarz products this will be indicated at the appropriate place in the product documentation Keep the basic safety instructions and the product documentation in a safe place and pass them on to the subsequent users Observing the safety instructions will help prevent personal injury or damage of any kind caused by dangerous situations Therefore carefully read through and adhere to the following safety instructions before and when using the product It is also absolutely essential to observe the additional safety instructions on personal safety for example that appear in relevant parts of the product documentation In these safety instructions the word product refers to all merchandise sold and distributed by the Rohde amp Schwarz group of companies including instruments systems and all accessories For product specific information see the data sheet and the product documentation Safety labels on products The following safety labels are used on products to warn against risks and dangers Direct current DC 1171 0000 42 08 Page 1 Basic Safety Instructions Caution Hot surface Alternating current AC Protective conductor terminal Direct alternating current DC AC To identify any terminal which is intended for connection to an external
40. the protection the correct password has to be entered After the instrument has been switched on the protection levels 1 to 5 are automatically activated Protection Level 1 can be deactivated to expand the functionality of the internal adjustment to change the host name and to access the test points The password is 123456 Prot Level 1 Pwo Prot Level 2 PwD Woo ooo eoo Prat Level 3 Pw Prot Level 4 PWD Prot Level 5 Pwo A diagnostic A D converter on the Basis Board allows you to measure voltages at internal test points which are located on all important modules of the instrument Diagnostic test points are located on following modules e Basis Board e RFBOARD The internal selftest checks all voltages at the points listed below so if the selftest passes without a fail skip this manual test Normal action Error possible causes and corrective action Internal diagnosis switched on with SETUP Test Points Select the desired test point under Select Test Point To operate set State ON The measured voltage is displayed under Voltage For troubleshooting refer to the following chapters Compare the displayed values with the values specified in the next table 99 9999V means that the test point does not exist Major deviations from the named values indicate a defect Change the affected
41. the tube see page 3 33 1411 4060 82 3 54 E 3 R amp S SMC100A Module Replacement Replacing the Fan Unit E1 see drawing 1411 4002 01 and 1411 4348 01 Removing the Fan Unit E1 gt Switch off the instrument and pull the mains plug Dismounting the tube see page 3 33 gt Disconnect the fan cable at X116 and push the rubber pins through the trough rubber pins gt Pullthe fan unit E1 106 upwards Install the Fan Unit E1 gt Install the new and proceed in the reverse order Cutoff the unnecessary rubber from the pins which extend outside the instrument casing Fan Unit E1 106 see also Overview of the Modules page 3 30 1411 4060 82 3 55 E 3 Module Replacement R amp S SMC100A Replacing the R amp S SMC B1 Install the R amp S SMC B1 Switch off the instrument and pull the mains plug Unscrew the two combinations screws 508 and remove the rear panel 2 507 508 9090090090 SMC B1 gt Screw the reference oscillator 5 SMC B1 with the 2 combinations screws 508 1411 4060 82 3 56 E 3 R amp S SMC100A Module Replacement Remove the Reference Oscillator R amp S SMC B1 Unscrew the 2 combinations screws 508 Carefully remove the reference oscillator R amp S SMC B1 backwards 1411 4060 82 3 57 3 R amp S SMC100A Contents Software Update Installing Options Contents Chapter 4 Software Update Installing Options 4 S
42. values are within the specified values including the measurement uncertainty as a minimum guard band Power levels are corrected to nearly ideal values When installing a spare part RF board the only difference at the RF side is the connecting cable between the RF board and the front panel When testing the RF boards Rohde amp Schwarz uses the same type of cable as it is installed in the R amp S SMC OCXOs are tested at Rohde amp Schwarz for the frequency adjustment range and the control voltage for an exact 10 MHz output frequency This control voltage is coded in a digital value and stored on the OCXO module In the R amp S SMC the digital value is read from the OCXO module The probability that the R amp S SMC meets it specifications after the replacement of a RF board and or an OCXO is very high To increase this probability even further and to detect a defective connecting cable between the RF board and the front panel Rohde amp Schwarz recommends to adjust and to verify the power level and the reference frequency according to the instructions in the table below If a calibration of the instrument is strictly necessary the performance test should be performed completely After replacing an assembly check the following table to see which service procedure you perform Changed module Required adjustment correction Recommended Test Procedure refer to chapter 1 Performance Test Checking the rated characteristics RF Board Setup Inter
43. 06 B10 B31 or R amp S SMA100A with option 1400 0000 02 R amp S SMA B106 1405 0809 02 7 Oscilloscope Bandwidth gt 100 MHz Tektronix TDS 1012B or two channels with DC coupling similar RF power meter 9 kHz to RFmax R amp S NRP with 1143 8500 02 R amp S NRP Z91 1168 8004 02 R amp S NRP Z51 or 1138 0005 02 R amp S NRVS with 1020 1809 02 R amp S NRV Z5 0828 3818 02 R amp S NRV Z51 0857 9004 02 Low noise preamplifier 9 kHz to 1 MHz based an ADI AD829 gain gt 20 dB input noise lt 4 nV 1 Hz Phase noise test assembly Phase Noise Test Set or R amp S FSUP 8 or 1166 3506 08 Mixer 10 MHz to RF max FSU or FSQ with phase noise branching filter 20 MHz measurement option DC decoupling after the mixer Mixer f 1 GHz Minicircuits ZFM2H 1 GHz lt f lt 6 GHz Miteq DBO118LA2 1411 4060 82 1 1 E 3 Measuring Equipment and Accessories R amp S SMC100A E Type of Instrument Required Characteristics Suitable Instrument R amp S Order No VSWR bridge 100 MHz to RFmax R amp S ZRC or 1039 9492 55 directivity 30 dB Agilent 773D RF power amplifier 10 MHz to RF max Mini Circuits ZHL 03 5WF power 33 dBm Pulse generator Pulse repetition frequency at least R amp S SMC100A or 10 kHz R amp S SMB100A equipped with option K23 or R amp S SMA100A ACIDC voltmeter voltmeter 10 Hzto 100 kHz Hz 10 Hzto 100 kHz 100 kHz R amp S URES URE3 350 5315 03 5315 03 FM included in spectrum analyzer demodulator item
44. 12 93 peak 12 41 tpeak 2 12 67 RMS 3 465 IEA Residual 3 465 Hz 1411 4060 82 5 ms Carrier Offset Carrier Power Modulation Frequency Sampling Rate Record Length Demod Bandwidth AF Filter 1 18 HP LE 45 639 L Zou 12501 200 20 Aa E 3 R amp S SMC100A Residual AM Test assembly Test method Measurement 1411 4060 82 Test Procedures Connect spectrum analyzer to RF socket of the DUT The FM demodulator of the analyzer is used to AM demodulate the CW signal of the DUT By setting the AF low pass and high pass filters the RMS value in the desired bandwidth can be measured The value displayed is the sum of the analyzer residual AM and the DUT residual AM Because they are uncorrelated the displayed result is worse than residual RMS of the DUT alone Therefore if the sum is in tolerance according to the data sheet the DUT is also in tolerance Settings on DUT frequency 1 GHz Level 0 dBm Settings on analyzer CENTER 1 GHz REFERENCE LEVEL 1 dBm AMPT RF ATTEN MANUAL 10 dB FM DEMOD FM DEMOD gt RESULT DISPLAY 5 AM FM DEMOD gt MEAS TIME 100ms FM DEMOD gt DEMOD BW 200 kHz FM DEMOD gt AF FILTER gt HIGH PASS AF FILTER 20 Hz FM DEMOD gt AF FILTER gt LOW PASS AF FILTER 20 kHz gt The Residual in the frequency range 20 Hz 23 kHz is the RMS value displayed 1 19 E 3 Test Procedures Exa
45. 18 RF attenuator RF attenuator DC to RFmax 10 dB system N R amp SONE DNF 0272421050 4210 50 attenuator DC to RFmax 3 dB system DNF ESTAN 4010 50 RF analyzer amp 9 kHz to RFmax 3 R amp S FSMR26 with options 1166 3311 26 Demodulator for analog R amp S FSU B25 1044 9298 02 modulations amp R amp S FS B223 or 1157 1955 26 FM demodulator R amp S FSQ26 with options 1155 5001 26 R amp S FSU B25 1044 9298 02 R amp S FSQ K7 1141 1796 02 Feed through termination 50 BNC system R amp S RAD 0289 8966 00 1411 4060 82 1 2 E 3 R amp S SMC100A Test Assemblies Standard Test Assembly for Analog Modulations Test equipment RF analyzer Table 1 1 item 18 Signal generator Table 1 1 item 5 Test Assemblies Test setup The RF analyzer is used as a modulation analyzer The signal generator is used as modulation source modulation 10 MHz Ref HHO e Y LF 10 MHz Ref in case of external Test Assembly for Pulse Modulation Test equipment Oscilloscope Table 1 1 item 3 Signal generator Table 1 1 item 5 Mixer Test setup The pulsed RF is mixed down to DC in phase and analyzed with an oscilloscope HHO Pulse E 10 MHz Ref gt 1411 4060 82 1 3 LO Mixer RF 6 dB
46. 19 00 1148 3265 00 0041 1601 00 3586 0172 00 1406 7713 00 1411 4831 00 1300 3044 02 1148 3059 00 1146 9150 00 1411 4748 00 2112 6131 00 Sprach Lang Blatt Sheet de en 02 00 1 of 1 Dokument Nr Document No 1411 4802 01 ST F r diese Unterlage behalten wir uns alle Rechte vor Ausgedruckte Dokumente unterliegen nicht dem Anderungsdienst For this document all rights are reserved Printed documents are not subject to revision Pos Nr Menge ME El Kennz Benennung Bezeichnung Z Sachnummer Ersatzteil BA VH Quantity Unit Ref Des Designation Stock No Subst part W212 W214 W215 ACHTUNG EGB ATTENTION ESD MF BUCHSENPLATTE SMC SOCKET PLATE SMC DW HF KABEL W212 RF FRONT L HF CABLE W212 RF FRONT L VS 7985 ISR M2X4 A4 PA 7985 ISR M2X4 A4 PA VS DIN125 A2 5 A4 WASHER DIN125 DV KABEL W214 MOD EXT RFBOARD CABLE W214 MOD EXT RFBOARD DV KABEL W215 LF RFBOARD CABLE W215 LF RFBOARD Benennung Designation FRONTANSCHLUSSPLATTE ROHDE amp SCHWARZ FRONT CONNECTOR PLATE Datum Date Abt Dept Name Name 2008 07 18 1GPK WB 1411 4648 00 1411 4390 00 1148 2698 00 O 0082 4657 00 V 1406 8149 00 1406 8132 00 Sprach Lang Blatt Sheet de en 03 00 1 of 1 Dokument Nr Document No 1411 4748 00 ST 1411 4060 82 ROHDE amp SCHWARZ R amp S SMC100A Mechanical Drawings 9 9 E 1 AMAN A
47. 653 00 1411 4331 00 1148 2630 00 1406 7336 00 1411 4277 00 1148 3271 00 1411 4260 00 0015 9038 00 1148 3265 00 1411 4402 02 1148 2869 00 3583 1578 00 3583 1561 00 1411 4802 02 1148 2752 00 1406 8110 00 1411 4683 00 1411 4302 00 Sprach Lang 1 Blatt Sheet de en 15 00 1 of 2 Dokument Nr Document No 1411 4002 01 ST F r diese Unterlage behalten wir uns alle Rechte vor Ausgedruckte Dokumente unterliegen nicht dem Anderungsdienst For this document all rights are reserved Printed documents are not subject to revision Pos Nr Menge ME jELKennz Benennung Bezeichnung Z Sachnummer Ersatzteil BA VH Quantity Unit Ref Des Designation Stock No Subst part SMC100A W108 VS 6900 ISR M2 5X8 A2 COMBI SCREW 6900 ISR M2 5X8 A2 MZ BW2 TUBUS 2E1 2T350 SMC100A BW2 TUBE 2HU1 2D350 SMC100A KR BW2 SCHUTZECK VO LI 2E HART PROTECTIVE CORNER FRONT LEFT KR BW2 SCHUTZECK VO RE 2E HART PROTECTIVE CORNER FRONT RIGHT 2HU KR BW2 SCHUTZECK HI LI 2E HART PROTECTIVE COVER REAR LEFT 2HU KR BW2 SCHUTZECK HI RE 2E HART PROTECTIVE COVER REAR RIGHT 2HU HS FIRMWARE SMC FIRMWARE SMC HS FONT MICROSOFT ARIAL WGL FONT MICROSOFT ARIAL WGL DY IEC BUS CABLE IEC BUS CABLE FM SCHUTZKAPPE F 24POL BU PROTECION CAP OS KLEBESCHILD GPIB LABEL GPIB OS KC SCHILD SMC LABEL KC SMC geklebt auf Rueckwand Benennung Designation SMC100A SIGNAL GENERATOR ROHDE am
48. A higher fuse only after consulting with the Rohde amp Schwarz group of companies Do not insert the plug into sockets that are dusty or dirty Insert the plug firmly and all the way into the socket provided for this purpose Otherwise sparks that result in fire and or injuries may occur Do not overload any sockets extension cords or connector strips doing so can cause fire or electric shocks For measurements in circuits with voltages Vim gt 30 V suitable measures e g appropriate measuring equipment fuse protection current limiting electrical separation insulation should be taken to avoid any hazards Ensure that the connections with information technology equipment e g PCs or other industrial computers comply with the IEC 60950 1 EN 60950 1 or IEC 61010 1 EN 61010 1 standards that apply in each case Unless expressly permitted never remove the cover or any part of the housing while the product is in operation Doing so will expose circuits and components and can lead to injuries fire or damage to the product If a product is to be permanently installed the connection between the protective conductor terminal on site and the product s protective conductor must be made first before any other connection is made The product may be installed and connected only by a licensed electrician For permanently installed equipment without built in fuses circuit breakers or similar protective devices the supply circuit must
49. Board module Note Failed internal adjustments can also be queried on the info page gt History Normal action Error possible causes and corrective action Internal adjustments call Abort during adjustment SETUP Internal Adjustments Adjust All Internal adjustment of the RF Board is executed The adjustments are all carried out exclusively on the RF Board only the Diagnostic A D converter on the Basis Board is needed Check the Test Points on the Basis Board see page 3 14 If the Test Points on the Basis Board are in tolerance most probably the RF Board is defective Check the RF Board being supplied correct see page 3 23 If not in tolerance check the Basis Board see page 3 21 1411 4060 82 3 16 E 3 R amp S SMC100A Instrument Faults Troubleshooting The following table lists R amp S SMC100A Faults For every fault additional test are described to determine the defective module RF Output Level is R amp S SMC100A settings wrong Instrument Preset Reference internal RF on Level 8 dBm Measure the Output Level with a power meter across the frequency range The difference between set and measured level has to be lower than guaranteed in the datasheet RF Output R amp S SMC100A settings Frequency is wrong Instrument Preset Setup Adjustment Adjust al Setup Reference external RF on Level 0 dBm Supply an external 10 MHz reference signal meeting the level and frequency spec
50. Check the RF Board being supplied correct signal with depth m at setting level P is see page 3 23 Prep Level 20 logio 1 m 100 So at m 100 the PEP is 6 02 dB higher than the setting level shown in the display The AM performance has to match the values given in the datasheet Measure with a true demodulating receiver i e a R amp S FSMR or R amp S FSL FSP FSU FSQ spectrum analyzer equipped with option R amp S K7 FM and PhiM Modulation are generated in the DDS Most probably the RF Board is defective synthesizer reference signal on the RF Board Run Check the RF Board being supplied correct Internal Adjustments to ensure the VCOs generating the see page 3 23 RF signal working in their optimum The FM performance has to match the values given in the datasheet Measure with a true demodulating receiver i e a R amp S FSMR or R amp S FSL FSP FSU FSQ spectrum analyzer equipped with option R amp S K7 The pulse generator is implemented fully digital in the RF Most probably the RF Board is defective Board FPGA The pulse signals are fed exclusive on the Check the RF Board being supplied correct RF Board to the pulse modulator switch All external see page 3 23 pulse BNC connectors are fitted on the RF Board as well All remote interfaces including the interface connectors Most probably the Basis Board is defective are fitted directly on the Basis Board Check the Basis Board being supplied correct see page 3 21
51. DUT LF Gen Frequency and the analyzer center frequency 1 kHz 10 kHz 1 25 E 3 Test Procedures RES SMC100A Level Accuracy and Frequency response Test equipment Test method Test setup Measurement of Level Accuracy Recommended test levels for Level Accuracy Measurement Recommended test frequencies AC voltmeter Table 1 1 item 14 The output level of the LF Generator is measured direct with an AC voltmeter gt Connect the AC voltmeter to the LF socket of the DUT Settings on DUT LF Output menu LF Gen Frequency 1 kHz set LF Output Voltage to recommended levels and measure the output level 10 mV 30 mV 100 mV 300 mV 1 V and 2 55 V Settings on DUT LF Output menu LF Output Voltage 1 V set LF Gen Frequency to recommended test frequencies and measure the output level gt Determine the highest and the lowest level Vina and Vmin The frequency response in dB is defined as D 20 log4o V max 20 log4o V min 10 Hz 1 kHz 10 kHz 100 kHz Note The settling time is a pure computer time and needs therefore not to be measured 1411 4060 82 1 26 E 3 R amp S SMC100A Amplitude Modulation AM Setting Uncertainty Test assembly Measurement of accuracy versus modulation depth Recommended modulation depths 1411 4060 82 Test Procedures See section Standard Test Assembly for Analog Modulations page 1 3 Settings on DUT RF On Frequency 150 MHz Level 0 dBm
52. Hz 567 MHz 1132 MHz 2264 MHz Test level 8 dBm Test Procedures Nonharmonics Test equipment Test setup Measurement RES SMC100A Same as for harmonics Same as for harmonics gt Setting on analyzer Reference level 0 dBm 10 dB div opan 50 Hz Resolution bandwidth 10 Hz Setting on DUT Level 0 dBm First the carrier level P is measured at the test frequency f as reference and then the signal level Psearch is measured at the analyzer search frequency gt The nonharmonic spacing D is the measured level referred to the reference level D E P search in dBc 7 referred to the carrier Note Some of the nonharmonics suppression values measured might be outside the analyzer specifications In case of doubt repeat the measurement with a 3 dB attenuator at the analyzer input If the nonharmonic spacing changes the nonharmonic is due to the analyzer Alternative Check with a second source with differing synthesizer architecture not a R amp S SMC Recommended settings and search frequencies DUT Frequency Analyzer search frequency 13 MHz 13 MHz 22 MHz 17 MHz 15 MHz 1411 4060 82 R amp S SMC100A Test Procedures Non systematic nonharmonics Measurement Settings on DUT Test frequency 1 GHz Test level 0 dBm unmodulated Recommended settings on analyzer Max peak detector Filter Type FFT Ref Level 0 dBm Setanalyzer center frequency to 1 GHz span to 40 MHz and
53. ON OFF Button is directly connected to the Standby Voltage of the power supply via a resistor on the Basis Board and is therefore a good indicator of the basic working of the power supply When the instrument is switched on the following modules are involved Power supply Basis Board e Switching pad To analyze switch on and switch off problems that occur with the R amp S SMC100A the interplay of the individual modules is summarized in the following Switch on When the ON OFF button on the front panel is pressed the voltage of the ON OFF testpoint at X112 switching pad connector goes low In this case the Basis Board pulls the signal on pin 13 of X101 power supply connector see Fig 3 4 low which in turn switches on the power supply In case of a prior emergency shutdown pressing the ON OFF Button for more than 5 seconds it may take a few seconds until this mechanism works again Within four seconds after switch on the CPU takes over the control of pin 13 of the power supply connector If the green LED on the front panel lights up for only a short time approx five seconds and then the orange standby LED lights up again this means that the CPU is not booting properly The cause may be a defective or overheated power supply or Basis Board Switch off Besides pressing the power switch the instrument can be switched off in three ways After briefly pressing the ON OFF button on the front panel the CPU performs a norma
54. RA Nicht dargestellt Pos 510 Tubus A Not shown Pos 510 Tube Netzteilkabel durch geschl tzte Gummi tuelle f hren pass mains cabe through slotted rubber part rm Metallb gel nach unten schieben Kunststoffrahmen hochklappen ipkarte einschieben ES M Kunststoffrahmen zur ckklappen Metallb gel nachn unten schieben SOY SMX LAS H For this document all rights are reserved F r dieses Dokument behalten wir uns alle Rechte vor 9 SMB B10X 29 20 frequency label i H Al 03 15 5 1 6 1 7 1 8 mittig Leserichtung auf Pos 720 aufkleben AMES auf EC Buchse lo aufstecken wenn P m Option SMC K4 nicht aktiviert ist Netzteilkabel gesteckt Power supply cable plugged in W222 A100 X103 gt da EY m ES E Sf j D i W222 GD ey 2 O if e O e amp y wa UL BV eX e CT 7o AA 7 Ls TB Te el aaa oY 1L HA JA ra ra E EE Ma stab Toleranz Werkstoff Scale Tol Material ROHDE amp SCHWARZ SMC100A SIGNAL GENERATOR p en 04 00 1 SMC100A SIGNAL GENERATOR EIERN t SMC100A 1111 4002 01 D No 18 11 Pos 104 7x Sprache Lang Aei Blatt Sh de en 05 00
55. RE oO O ERE 3 6 FEPRON tt dico AM ee 3 6 SII AN es od nts dx MIELE 3 6 Temperature SerisODasssensanturui ume ea 3 6 g greuisg rl al casa 3 6 aree 3 7 Measuring Equipment and 3 7 SWICAs ON FOOTING art ee note esse sh 3 8 SWILCH Ofen ccr 3 8 a ee 3 8 PLODIEMS WIIN BOONG ridad atada road 3 11 Keyboard and Rotary noD dia 3 12 USB Cable TeS anan 3 12 Troubleshooting with Internal Self 3 13 Troubleshooting with Internal Test 3 14 Troubleshooting with Internal 3 16 INSITUMERLFRAUNS tocara 3 17 Troubleshooting Basis Board 3 21 Ue A A A see 3 21 FUSS Sa casera oct tence eae O he arta ME A 3 22 Troubleshooting RF Board 3 23 SUDDIV ceras da JU dintel od dd 3 23 Ao E a ea ee 3 24 Internal Input and Output 3 25 Error Messages Concerning the RF Board 3 26 Warnings Concerning the RF Board 3 26 Preguen ENO ne e
56. SMC100A Troubleshooting Measure these signals Test point Function Signal at normal operation Defective Q4 Q6 Q14 Q15 Logic Control Signals Check the serial number of the RF Board Q5 Logic Control Signal displayed in the GUI RF Board SETUP Hardware Config RF Board More If the number is correct these signals are OK If not measure these Test Points with an Oscilloscope They should toggle between LOW and HIGH LVC 3 3V an 013 HIGH LVC 3 3V Interrupt Signal normal Operation HIGH LVC 3 3V Switch RF Board R amp S SMC100A to Reference extern without applying 10 MHz Reference signal LOW LVC 3 3V Q1 Blank Signal normal Operation LOW LVC 3 3V during Basis Board Frequency switching HIGH LVC 3 3V Q3 Diagnosis Voltage Voltage toggles on every update of the RF Board diagnosis Q8 Q16 Q17 Logic Control Signals Check the serial number of the MOD FPGA Q7 Logic Control Signal displayed in the GUI RF Board SETUP Hardware Config MOD FPGA More If the number is not 0 0 these signals are OK If not measure these Test Points with an Oscilloscope They toggle between LOW and HIGH LVC 3 3V during the first seconds after switching on the instrument Interrupt Instrument Trigger no signal at PULSE EXT INST TRIG X203 RF Board HIGH LVC 3 3V trigger signal at PULSE EXT INST TRIG X203 inverted trigger signal LVC 3 3V If one of these Signals is not as described change the connect
57. Service Manual eva 3200 000 000 0 er zl 1300 ry fo ALC Auto Signal Generator R amp S SMC100A 1411 4002K02 ROHDE amp SCHWARZ Test amp Measurement 1411 4060 82 05 1 Dear Customer throughout this manual the Signal Generator R amp S SMC100A is abbreviated as R amp S SMC R amp S is a registered trademark of Rohde amp Schwarz GmbH amp Co KG Trade names are trademarks of the owners 1411 4060 82 05 2 R amp S SMC100A Chapter Overview Chapter Overview Index Safety Instructions Certificate of Quality Customer Support Procedure in Case of Service and Ordering of Spare Parts Contents of Service Manual for the Signal Generartor R amp S SMC100A Chapter 1 Performance Test Chapter 2 Procedures after Module Replacement Chapter 3 Repair Chapter 4 Software Update Installing Options Chapter 5 Documents 1411 4060 82 RE E 3 R amp S SMC100A Index A POJUSUMONTS tu int 2 1 Amplitude modulation Test procedure 1 26 1 31 B Boot problems TIOUDIGSTOOLTIQ nn ana an 3 11 C Check Rated characteristics 1 1 Check Front Panel naar 3 12 Debug idad 3 14 DOCUS P 9 1 E External level correction 2 3 F Fan does not WOrKk ccocccocccocncccncoccnonncnoncannonononnnonnnnnnn 3 10 Fittnwate HbUle eciam deste ORE dr i ore 4 1 FIeguency ENOL ette vive duco ced atado tva 3 27 3
58. aci n protecci n del medio ambiente 1 Los dispositivos marcados contienen una bater a o un acumulador que no se debe desechar con los residuos dom sticos sin clasificar sino que debe ser recogido por separado La eliminaci n se debe efectuar exclusivamente a trav s de un punto de recogida apropiado o del servicio de atenci n al cliente de Rohde amp Schwarz Los dispositivos el ctricos usados no se deben desechar con los residuos dom sticos sin clasificar sino que deben ser recogidos por separado Rohde amp Schwarz GmbH amp Co KG ha elaborado un concepto de eliminaci n de residuos y asume plenamente los deberes de recogida y eliminaci n para los fabricantes dentro de la UE Para desechar el producto de manera respetuosa con el medio ambiente dir jase a su servicio de atenci n al cliente de Rohde amp Schwarz Si se trabaja de manera mec nica y o t rmica cualquier producto o componente m s all del funcionamiento previsto pueden liberarse sustancias peligrosas polvos con contenido de metales pesados como p ej plomo berilio o n quel Por eso el producto solo debe ser desmontado por personal especializado con formaci n adecuada Un desmontaje inadecuado puede ocasionar da os para la salud Se deben tener en cuenta las directivas nacionales referentes a la eliminaci n de residuos En caso de que durante el trato del producto se formen sustancias peligrosas o combustibles que deban tratarse como residuos especiales
59. al generator LF Output ON LFGen Voltage 1 V Vpeak gt generator frequency to the frequencies given below measure the modulation depth in RMS gt The modulation frequency response in dB is the difference between the greatest and the smallest modulation depth and Mmin Mmax min 20 l0910 Mmax 20 l0910 Mpmin Repeat the measurement at RF 1 GHz with the setting Amplitude Modulation gt External Coupling AC gt Repeat the measurement at RF 1 GHz with the internal modulation generator with the setting Amplitude Modulation gt Source Internal 1 30 E 3 R amp S SMC100A Test Procedures Synchronous PhiM with AM Test assembly See section Standard Test Assembly for Analog Modulations page 1 3 Measurement Settings on DUT RF On Level PEP Pmax 0 dBm Amplitude Modulation menu LF Gen Frequency 1 kHz Source Internal AM depth 30 Settings on spectrum analyzer AMPTD REF LEVEL 3 dBm FM DEMOD DEMOD BW 12 5 kHz MEAS TIME 100 ms RESULT DISPLAY PM Recommended test frequencies 23 4375 MHz 99 9 MHz 399 9 MHz 799 9 MHz 1100 MHz 1599 9 MHz 1600 1 MHz 2262 9 MHz 3200 MHz Limits according datasheet Measure the resulting phase modulation with peak detection peak 2 value 1411 4060 82 1 31 E 3 Test Procedures Frequency Modulation Test Methods Test assembly Test Method FFT Demodulation Option FS K7 FM Setting Uncertainty Test
60. all the SIM card proceed in the reverse order 1411 4060 82 3 51 E 3 Module Replacement R amp S SMC100A Replacing the RF Board A200 see drawing 1411 4002 01 Removing the RF Board Note If the R amp S SMC B1 Reference Oscillator option is installed uninstall this option first see page 3 57 Switch off the instrument and pull the mains plug Dismounting the tube see page 3 33 Slice up the two cable ties 208 and disconnect the cables W214 Mod Ext RF Board 650 the W215 LF RF Board 660 and W212 630 and the cable BB RF Board W222 440 Remove the 4 nuts of the BNC connectors 1411 4060 82 3 52 3 R amp S SMC100A Module Replacement Unscrew the 5 screws 260 from the RF board A200 250 and remove the board carefully P P t EE Installing the RF Board gt Place the RF Board A200 250 into the R amp S SMC100A in the right position and fix it with 5 screws 260 NOTICE Do not screw down the 5 screws just fix them and after fixing the 4 BNC Connector nuts you can screw down the 5 screws gt Fixthe 4 BNC Connectors with the nuts Screw the 5 screws 260 and than screw the 4 BNC Connectors with the nuts 1411 4060 82 3 53 E 3 Module Replacement R amp S SMC100A gt Connect the Cables W214 Mod Ext RF Board 420 W215 LF RF Board 43 W212 630 and the cable BB RF Board W222 440 Mounting
61. arts up and displays the background picture Subsequently the application is loaded During loading several progress bars are shown on the display All software of the R amp S SMC100A is stored in an on board flash memory There are no serviceable hardware parts related to mass memory The only possible service action is the reinstallation of firmware which requires at least some basically working computer and firmware Normal action Error possible causes and corrective action R amp S SMC 100A signal Generator Copyright 006 by Rohde amp Schwarz Germany Start signal generator Booting please wait ROHDE amp SCHWARZ R amp S logo does not disappear Error The operating system LINUX does not start Try to reinstall the firmware with the help of the maintenance system If this is not possible or does not solve the problem replace the Basis Board 1411 4060 82 3 11 E 3 Troubleshooting R amp S SMC100A Keyboard and Rotary Knob Test e This utility allows you to check for proper operation of all front panel control elements Normal action Error possible causes and corrective action Test called with SETUP Check Front Panel An image of the front panel appears with gray keys Note Be careful with the rotary knob Turn only slightly in the vvhen a Key ss pressed ONES Or Ne ITODS moved devel specified direction otherwise the field will change to changes to green red If the key is pressed m
62. asis Board 2 A100 150 1411 4060 82 3 49 E 3 Module Replacement R amp S SMC100A Installing the Basis Board 2 gt Move the Basis Board 2 A100 150 Connect the IEC Bus Cable W108 710 on X108 the fan cable on X116 and W222 cable BB RF Board 440 on X103 710 Fan cable Screw the six screws 160 to the Basis Board 2 A100 150 gt Connect the flex switch board cable 403 on X112 the flex strip cable W310 413 on X111 and the flex strip cable of the display 408 from X2113 ati Ji m mm gt Install the power supply see page 3 47 gt Mounting the tube see page 3 33 1411 4060 82 3 50 E 3 R amp S SMC100A Module Replacement Replacing the SIM Card A110 NOTICE When changing the Basis Board 2 you have to remove the SIM card The SIM card is part of your instrument and will not be replaced by Rohde amp Schwarz if lost Therefore always keep the SIM card with you Switch off the instrument and pull the mains plug Dismounting the tube see page 3 33 Removing the power supply see page 3 46 V WV Removing the Basis Board 2 see 3 48 The SIM card A110 155 is located on the rear side of the Basis Board 2 gt Open the latch of the SIM card holder by sliding the retaining bracket toward OPEN gt Flip the SIM card holder upward gt Thelatch of the SIM card holder is open now remove the SIM card R amp S SMC100A Toinst
63. ating the products requires special training and intense concentration Make sure that persons who use the products are physically mentally and emotionally fit enough to do so otherwise injuries or material damage may ocaur It is the responsibility of the employer operator to select suitable personnel for operating the products 1171 0000 42 08 Page 4 Basic Safety Instructions 2 Before you move or transport the product read and observe the section titled Transport 3 As with all industrially manufactured goods the use of substances that induce an allergic reaction allergens such as nickel cannot be generally excluded If you develop an allergic reaction such as a skin rash frequent sneezing red eyes or respiratory difficulties when using a Rohde amp Schwarz product consult a physician immediately to determine the cause and to prevent health problems or stress 4 Before you start processing the product mechanically and or thermally or before you take it apart be sure to read and pay special attention to the section titled Waste disposal Environmental protection item 1 5 Depending on the function certain products such as RF radio equipment can produce an elevated level of electromagnetic radiation Considering that unborn babies require increased protection pregnant women must be protected by appropriate measures Persons with pacemakers may also be exposed to risks from electromagnetic radiation The employer operato
64. ation Stock No Subst part SMC100A ACHTUNG EGB ATTENTION ESD VARIANTENERKLAERUNG EXPLANATION OF MODELS VARO2 GRUNDVARIANTE MODO2 BASIC MODEL ZS ERSATZTEILLISTE VORHANDEN SPARE PARTS LIST AVAIL Ersatzteilliste SMC ID Nr 1411 4031 01 ST ZM CHASSIS SMC CHASSIS SMC ED BASISBOARD 2 BASIS BOARD 2 BC SMARTCARD SLE66 V4 4 SIM FORMAT SMARTCARD SLE66 V4 4 SIM FORMAT VS 6900 ISR M2 5X8 A2 COMBI SCREW 6900 ISR M2 5X8 A2 MZ USB NETZTEILWINKEL USB POWER SUPPLY HOLDER VS 7985 ISR M3X6 A4 PA 7985 ISR M3X6 A4 PA NJ SCHALTNETZTEIL AC 90 264V 120W POWER SUPPLY MZ NETZTEILHALTERUNG 1 2 POWER SUPPLY HOLDER VS 965 ISR M2 5X4 A4 PA 965 ISR M2 5X4 A4 PA MZ UNTERLEGBLECH HOLDER DZ KABELBI RD 1 BIS 25 B2 CABLETIE VS 965 ISR M2X5 A4 PA 965 ISR M2X5 A4 PA ED RF BOARD RF BOARD VS 7985 ISR M2 5X16 A4 PA 7985 ISR M2 5X16 A4 PA FJ FAECHERSCHEIBE SERRATED LOCKWASHER FJ MUTTER HEX 14 1 2 28UNEF HEX 14 NUT 1 2 28UNEF ZM FRONTEINHEIT SMC NEUES DISPLAY FRONT UNIT SMC VS 965 ISR M2 5X5 A4 PA 965 ISR M2 5X5 A4 PA DY KABEL BB RF BOARD CABLE BB RF BOARD KB FRONTHAUBE SMC BEDRUCKT FRONT COVER SMC PRINTED KB RUCKWAND 2 SMC BEDRUCKT REAR PANEL 2 SMC PRINTED Benennung Designation SMC100A SIGNAL GENERATOR ROHDE amp SCHWARZ SMC100A SIGNAL GENERATOR Datum Date Abt Dept Name Name 2013 03 11 MTEK El 0999 9684 00 1411 4348 02 1406 6700 04 3586 7860 00 0041 1
65. ay 408 from X2113 from the Basis Board 2 A100 150 gt Slice up the cable tie 208 and disconnect the cables W214 Mod Ext RF Board 650 the W215 LF RF Board 660 and W212 630 Remove the front unit A300 400 forwards 1411 4060 82 3 36 E 3 R amp S SMC100A Module Replacement Install the Front Unit A300 1411 4802 02 gt Move the Front Unit 400 backwards gt Connect the cables W214 Mod Ext RF Board 650 the W215 LF RF Board 660 and W212 630 and fix them with the cable tie 208 Plugin the flex switch board cable 403 to X112 the flex strip cable W310 413 to X111 and the flex strip cable of the display 408 to X2113 from the Basis Board 2 A100 150 mm 1411 4060 82 3 37 3 Module Replacement R amp S SMC100A gt Connect the four screws 401 two on the top side and two on the bottom side of the front unit A300 400 401 E da aaae OCCCB amp BACK ENTER SPACE o 2 2 EE opt 401 9 kHz 3 2 GHz 4 gt Move the front cover R amp S SMC100A 500 and the protective corner front left and right 520 530 back and screw it with the four screws 520 500 e ROHDE amp SCHWARZ SMC100A Screws Mounting the tube see page 3 33 NOTICE Store the RF cables at a save place These cables are not components of the front unit Plea
66. be fuse protected in such a way that anyone who has access to the product as well as the product itself is adequately protected from injury or damage Use suitable overvoltage protection to ensure that no overvoltage such as that caused by a bolt of lightning can reach the product Otherwise the person operating the product will be exposed to the danger of an electric shock Any object that is not designed to be placed in the openings of the housing must not be used for this purpose Doing so can cause short circuits inside the product and or electric shocks fire or injuries Unless specified otherwise products are not liquid proof see also section Operating states and operating positions item 1 Therefore the equipment must be protected against penetration by liquids If the necessary precautions are not taken the user may suffer electric shock or the product itself may be damaged which can also lead to personal injury Never use the product under conditions in which condensation has formed or can form in or on the product e g if the product has been moved from a cold to a warm environment Penetration by water increases the risk of electric shock Prior to cleaning the product disconnect it completely from the power supply e g AC supply network or battery Use a soft non linting cloth to clean the product Never use chemical cleaning agents such as alcohol acetone or diluents for cellulose lacquers Operation 1 Oper
67. ber n tenerse en cuenta todas las dem s informaciones de seguridad como p ej las referentes a la protecci n de personas que encontrar n en el cap tulo correspondiente de la documentaci n del producto y que tambi n son de obligado cumplimiento En las presentes informaciones de seguridad se recogen todos los objetos que distribuye el grupo de empresas Rohde amp Schwarz bajo la denominaci n de producto entre ellos tambi n aparatos instalaciones as como toda clase de accesorios Los datos espec ficos del producto figuran en la hoja de datos y en la documentaci n del producto Se alizaci n de seguridad de los productos Las siguientes se ales de seguridad se utilizan en los productos para advertir sobre riesgos y peligros Significado Significado Aviso punto de peligro general Tensi n de alimentaci n de PUESTA EN l MARCHA PARADA Observar la documentaci n del producto Atenci n en el manejo de dispositivos de peso Indicaci n de estado de espera standby elevado Peligro de choque el ctrico Corriente continua DC A Advertencia superficie caliente Corriente alterna AC Conexi n a conductor de protecci n Corriente continua Corriente alterna DC AC Conexi n a tierra El aparato est protegido en su totalidad por un aislamiento doble reforzado Conexi n a masa Distintivo de la UE para bater as acumuladores M s informaci n en la secci n Eliminaci n protecci n del medio ambiente p
68. cks the instrument by measuring internal diagnostic points and verifies whether generator is operating properly If a self test failure occurs check again whether all cables are properly connected If the self test fails continuously contact your local service center 1411 4060 82 2 4 E 2 R amp S SMC100A Contents Repair Contents Chapter 3 Repair 3 3 1 5 aia 3 1 Instrument Design and Function Description 2 22 3 1 A A 3 3 Internal and external 10 MHz reference 3 3 TEXOZU MHZ EIYStal8SClllaler anne 3 3 RE SYNNEesSIZEr DD 3 3 Ei a A ee M iur 3 4 Ho O Sr A I LI TU EM 3 4 Pulse generator and Pulse 3 4 Modulation matrix and modulator 3 4 ddr 3 4 Aulomalg Level CONTO arcada rada tad tram aere auod as deus 3 4 Step Attenuator and reverse power protection 3 5 Supply voltage control and 35 OWE RSU IM e aa Eee 3 5 ete SHO AIC A Eo UCR Sr 3 5 RUSO Su en ee a 3 5 SWILEHING regulatoria einsehen 3 6 CURE ee E 3 6 ESA o E te te 3 6 KOVbOArd A on o T LE 3 6 O PE
69. conductor for protection against electric shock in case of a fault or the terminal of a protective earth Earth Ground Class 1 Equipment to identify equipment meeting the safety requirements specified for Class 11 equipment device protected by double or reinforced insulation Be careful when handling electrostatic sensitive gt EU labeling for separate collection of electrical devices and electronic devices For additional information see section Waste disposal Environmental protection item 2 Warning Laser radiation For additional information see section Operation item 7 Frame or chassis Ground terminal EU labeling for batteries accumulators For additional information see section Waste disposal Environmental protection item 1 Signal words and their meaning The following signal words are used in the product documentation in order to warn the reader about risks and dangers Indicates a hazardous situation which if not avoided will result in death or DANGER serious injury Indicates a hazardous situation which if not avoided could result in death or Indicates a hazardous situation which if not avoided could result in minor or moderate injury Indicates information considered important but not hazard related e g messages relating to property damage In the product documentation the word ATTENTION is used synonymously These signal words are in accordance with the standard def
70. ct the factory adjustment and can be reset at any time by means of deactivation If the tuning range is insufficient to reach the frequency error given in the datasheet the TCXO is defective Replace the RF Board 3 27 3 Troubleshooting R amp S SMC100A Troubleshooting Reference Oscillator option R amp S SMC B1 If a frequency error is observed which is greater than specified in the data sheet try to adjust the center frequency of the reference oscillator see chapter 2 Adjustment of internal Reference Frequency If it is not possible to meet the specifications by adjusting the center frequency the module is defective and should be replaced Input and Output Signals The Reference Oscillator has only one Futurbus connector X1 The Reference Oscillator is plugged into the RF Board X221 see Fig 3 7 All signals and the supply voltage are fed to the module through this connector Check the voltages for the OCXO being according to the following table To test the serial bus signals watch the signal lines while toggling between internal and external reference with an Oscilloscope Voltage Levels between LOW and HIGH LVC 3 3V poa g X221 RF aooooc o SEE 61 zi o OC o Fig 3 7 Pin location X221 on RF Board Pin of X221 Voltage Pin of X221 Voltage Pin of X221 Voltage Pin of X221 Voltage RF Board Signal RF Board Signal RF Board Signal Clock signal 4 5 V seria
71. ction W222 to the Basis Board Switch on the R amp S SMC100A and measure the supply voltages of the RF Board at the test points shown in Fig 3 5 The measured voltages have to meet the values given in the table below If one or more voltages are not of the required level check the Basis Board see page 3 21 Q22 Q23 Q24 Q25 26 26 30 V Fig 3 5 Power Supply Test Points of the RF Board 1411 4060 82 3 23 E 3 Troubleshooting R amp S SMC100A Control Signals The control signals of the RF Board can be measured at test points on the bottom side of the RF Board nearby the ribbon cable connection W222 to the Basis Board see Fig 3 6 Signals going to the RF Board are colored red and signals coming from the RF Board are colored blue 021 1 O q17 015 Q8 Q16 45 013 990 006 e IL N25 Q L20 Hans Rit 011 109 169 Q4 9 O O E 3 u a24 _ 023 O O 025 022 A a gt Fig 3 6 Signal Test Points of the RF Board Perform the following settings at the R amp S SMC100A e Preset e RF on Protection deactivate protection level 1 see 3 14 Test Point gt DIAG_SMC_RF_LCON Use the test points in the table below and control the signals with an Oscilloscope Oscilloscope settings e Voltage 1V Div e 1 us Div e Trigger Normal 1411 4060 82 3 24 E 3 R amp S
72. d equipment and special software Data sheet specifications of the unit are concerned If required contact your local Rohde amp Schwarz representative 1411 4060 82 2 2 E 2 R amp S SMC100A Procedures after Module Replacement External Level Correction External level correction measures output power over frequency and level and stores the correction values inside the instrument to maintain level accuracy The R amp S SMC provides a build in measuring procedure for external level correction NOTICE Risk of damage to the power sensor Power sensor NRP Z91 can be damaged when being exposed to R amp S SMCs maximum output power So it is recommended to PRESET the instrument before connecting the power sensor The build in level correction procedure does not overload the sensor Recalibration Test equipment gt R amp S NRP Z91 or R amp S NRP Z92 power sensor with NRP Z3 or NRP Z4 USB adaptor Test setup gt Power on instrument Setting on instrument PRESET Setup Menu Reference Oscillator Source INTERNAL Protection Protection Level 2 147946 ENTER gt Connect the power sensor to the RF plug and to the USB connector of the instrument gt Allow the R amp S SMC and the power sensor to warm up for at least 20 minutes Adjustment Setting on instrument Setup Menu Internal Adjustments Adjust Ext Level ECEXUTE Adjustment Data CUSTOM Note that the R amp S factory level correction data is not replaced by this proce
73. d tested in accordance with the safety standards that apply in each case Compliance with these standards is continuously monitored by our quality assurance system The product described here has been designed built and tested in accordance with the EC Certificate of Conformity and has left the manufacturer s plant in a condition fully complying with safety standards To maintain this condition and to ensure safe operation you must observe all instructions and warnings provided in this manual If you have any questions regarding these safety instructions the Rohde amp Schwarz group of companies will be happy to answer them Furthermore it is your responsibility to use the product in an appropriate manner This product is designed for use solely in industrial and laboratory environments or if expressly permitted also in the field and must not be used in any way that may cause personal injury or property damage You are responsible if the product is used for any purpose other than its designated purpose or in disregard of the manufacturer s instructions The manufacturer shall assume no responsibility for such use of the product The product is used for its designated purpose if it is used in accordance with its product documentation and within its performance limits see data sheet documentation the following safety instructions Using the product requires technical skills and in some cases a basic knowledge of English It is therefore essential
74. dance wanna 1 5 Residual AM 1 4 SSB phase 2 2200 000 1 4 a 1 1 Test frequency recommended 1 6 dro me 3 14 Test procedure Amplitude modulation 1 26 1 31 A 1 20 Modulation 1 24 Pulse modulation 02 000 0 0 020 esie 1 38 SPECIAL DUHDV cx a Soa 1 10 Test DIDCOOU GS ideo rs ut ise en pat e d 1 7 Troubleshooting Problems with booting 22222 0 00 22 00500 300 3 11 Switch on problems 5 3 9 Test points and debug 3 14 Troubleshooting Internal Adjustments 3 16 U Unit cannot be switched 3 9 Update of nun 4 1 Update Of ss ot ra n oan 4 1 E 3 Basic Safety Instructions Always read through and comply with the following safety instructions All plants and locations of the Rohde amp Schwarz group of companies make every effort to keep the safety standards of our products up to date and to offer our customers the highest possible degree of safety Our products and the auxiliary equipment they require are designed built an
75. de Auto Level Maximum guaranteed level for harmonic distortion see datasheet Measure the level of the fundamental frequency with a spectrum analyzer The level of every harmonic has to be at least 30 dB lower than the level at the fundamental frequency Repeat this test over the frequency range of the instrument Comment In ATT Mode fixed harmonic distortion is not guaranteed above Levels displayed under Level menu Attenuator Settings Fixed Range in Switch on RF gt apply RF power of gt 1 W to RF N connector gt The overvoltage protection must trigger Settling times are defined for GPIB remote control only The settling time is the time delay after asserting EOI until level and frequency are within the given tolerance from their final values Be careful not to measure with an instrument drifting on its own due to applying the RF from the R amp S SMC100A Check the 10 MHz reference signal fed into the R amp S SMC100A with a spectrum analyzer or frequency counter and power meter If level and frequency of this signal is matching the specification in the datasheet set the R amp S SMC100A to Instrument Preset Reference external RF on Frequency 1 GHz Level 0 dBm Check for error Messages No External Reference Errors are allowed to occur Measure output frequency with a spectrum analyzer or a frequency counter synchronized to the same reference The frequency error has to be 0 1 Hz 3 18
76. ded test frequencies Level 13 dBm unmodulated Setting on the analyzer Test frequency SPAN 10 Hz FILTER TYPE FFT RESBW5Hz set Marker to test frequency Reference level Pie 15 dBm gt Read the marker level Pyare and calculate the correction factor C P absolute Parker with Pabsolute from the measurements performed with the power meter gt Now decrease the DUT level in 5 dB steps and calculate the output power P by adding the Correction factor C to the marker readout gt As soon as the marker level Pat is lower than Pet 45 dB increase the sensitivity of the analyzer by reducing the input attenuation switching on the internal preamplifier if available and reducing the resolution bandwidth to 1 Hz for levels below 90 dBm Set the analyzer reference level to Pay 1 dB After switching the analyzer sensitivity read out the marker level and recalculate the Correction factor Crew Cola Pat Parto gt Continue the measurement down to 120 dBm in 5 dB steps 1 MHz 512 5 MHz 1087 5 MHz 2187 5 MHz 3187 5 MHz 1 22 E 3 R amp S SMC100A Output Impedance Test assembly Test method Measurement Recommended test frequencies and levels 1411 4060 82 Test Procedures Test Assembly for Output Impedance VSWR page 1 5 For the VSWR measurement of a source the effect of the level control must be taken into account For this purpose an auxiliary generator is used which transmits a wave with a
77. didas adecuadas como p ej m scaras antig s e indumentaria de protecci n Los productos con l ser est n provistos de indicaciones de advertencia normalizadas en funci n de la clase de l ser del que se trate Los rayos l ser pueden provocar da os de tipo biol gico a causa de las propiedades de su radiaci n y debido a su concentraci n extrema de potencia electromagn tica En caso de que un producto Rohde amp Schwarz contenga un producto l ser p ej un lector de CD DVD no debe usarse ninguna otra configuraci n o funci n aparte de las descritas en la documentaci n del producto a fin de evitar lesiones p ej debidas a irradiaci n l ser Clases de compatibilidad electromagn tica conforme a EN 55011 CISPR 11 y en analog a con EN 55022 CISPR 22 EN 55032 CISPR 32 A Aparato de clase Aparato adecuado para su uso en todos los entornos excepto en los residenciales y en aquellos conectados directamente a una red de distribuci n de baja tensi n que suministra corriente a edificios residenciales Nota Los aparatos de clase A est n destinados al uso en entornos industriales Estos aparatos pueden causar perturbaciones radioel ctricas en entornos residenciales debido a posibles perturbaciones guiadas o radiadas En este caso se le podr solicitar al operador que tome las medidas adecuadas para eliminar estas perturbaciones A Aparato de clase B Aparato adecuado para su uso en entornos residenciales as co
78. dure instead an additional data set is created The active correction data set is selected by the setting Adjustment data 1411 4060 82 2 3 E 2 Procedures after Module Replacement R amp S SMC100A Adjustment of internal Reference Frequency The frequency accuracy of the synthesizer is determined set to internal reference by a 20 MHz VICXO or when the Option R amp S SMC B1 is fitted with a highly stable OCXO that is set to a calibrated frequency standard at the R amp S factory This oscillator is subject to ageing and can be recalibrated Recalibration Important Allow the DUT to warm up for at least 20 minutes before adjustment is executed Test equipment External frequency counter 1 Hz to RF max resolution 0 1 Hz Test setup gt Connecta calibrated external frequency counter to the reference output at the rear panel Adjustment Setting on DUT PRESET Setup Menu Protection Protection Level 2 147946 ENTER Setting on spectrum analyzer external frequency counter MKR SIGNAL COUNT MKR NEXT CNT RESOL 0 1 Hz gt Adjust the TCXO OCXO Calibration Value Setup Reference Oscillator Calibration Value for an external frequency counter reading of 10 MHz with minimal error Press Write value to Eeprom to store the DAC value Internal Self Test After each module replacement it is recommended to perform the internal self test refer to chapter 3 Troubleshooting with Internal Self Test The self test che
79. dures after Module Replacement Contents Chapter 2 Procedures after Module Replacement 2 Procedures after Module 2 1 Procedures after Replacing the Basis Board 2 2 ee 2 2 Intertial AG CIS NENS camada a lo a bl 2 2 Adjustments of the Complete Unities 2 2 External Adjustments Requiring Measurement Equipment 2 2 2 3 2 3 Adjustment of internal Reference 2 4 aa ds DIET PER 2 4 Internal Sel Test NN TE 2 4 1411 4060 82 I 2 1 E 2 R amp S SMC100A Procedures after Module Replacement 2 Procedures after Module Replacement This chapter describes all necessary measures to restore the performance of the R amp S SMC after module replacement There are no manual adjustments to be performed Internal and external adjustment routines are implemented for this purpose Spare part RF boards are tested at Rohde amp Schwarz with calibrated working standards according to the performance test All measurement
80. e between 10 and 90 of signal amplitude Fall time time between 90 and 10 of signal amplitude 400 MHz 1 1 GHz 2 2 GHz 3 2 GHz 1 41 E 3 R amp S SMC100A Test Procedures Video Crosstalk Test assembly Measurement 1411 4060 82 As above for ON OFF Ratio gt Setting on pulse generator Square wave pulse sequence with a frequency of 100 kHz TTL level Setting on DUT RF On Frequency 1 GHz 6 GHz Level 0 dBm Pulse Modulation State On Settings on the Analyzer REF LEVEL 0 dBm FREQ CENTER 100 kHz SPAN 10 kHz Measure the signal level at 100 kHz with the analyzer gt The Video Crosstalk is the amplitude of the spectral line found at 100 kHz related to the RF carrier level 1 42 E 3 R amp S SMC100A Pulse Generator PULSE VIDEO Test equipment Test setup Measurement 1411 4060 82 Test Procedures Storage oscilloscope Table 1 1 item with 50 Feed through termination on input Connect the PULSE VIDEO socket on the rear of the DUT to the storage oscilloscope Setting on DUT Pulse Modulation menu State On Source Pulse Generator Pulse Generator menu State On Pulse Period 10 us Pulse Width 5 us Setting on oscilloscope 1 V div Time base 2 5 us div Trigger 50 of amplitude rising edge gt Check the signal for a symmetric square wave with 10 us pulse period and 1 5 V amplitude Rise and fall time 10 ns 1 43 E 3 R amp S SMC100A Contents Proce
81. e update of the firmware must not be cancelled and the instrument must not be switched off during the update It is strongly recommended to do no downgrade below the firmware version the instrument has been delivederd with 1411 4060 82 4 1 2 E 0 Installing the Options R amp S SMC100A Switch on the instrument and wait until it is operational Plug in the memory stick which contains the update file previously downloaded from the Internet to the USB interface of the instrument Wait until the software update dialog appears and confirm the update oelect the firmware version to be installed with the cursor up down keys and press the rotary knob to activate your selection The selected version will be installed Wait until the software update completed message appears Remove USB stick and press the rotary knob to shut down instrument Power on instrument by pressing the power button When the new updated firmware is up and running execute internal adjustments after a warmup time of approx 10 minutes gt Press the key on the instrument front panel select Internal Adjustments and execute Adjust All This process updates internal instrument adjustments and can take several minutes Adjustments requiring external measurement equipment are not affected by the firmware update and need not to be performed Installing the Options A list of all available R amp S SMC options is provided in the data sheet and
82. ecks or performance tests have to be carried out Please refer to chapter 2 Procedures after module replacement SMCI00A B o ed ic Front Panel SMC GIL Rear Panel 100 240V AC 50 60Hz 1 2 0 4A FI F2 127 T3 15H250V 1411 4060 82 3 31 E 3 Module Replacement R amp S SMC100A Safety Instruction CAUTION Danger of injury For module replacement ensure that the instrument is switched off and disconnected from the power supply by removing the plug from the AC and DC power connector Read all safety instructions at the beginning of this manual carefully before module replacement Only Rohde amp Schwarz Service personnel and trained personnel may perform a module replacement When removing the rear feet the unit can slip out of the cabinet Put the unit into the front handles before removing the rear feet and taking off the cabinet Thus the risk of personal injuries and damages to the unit is avoided e When mounting the cabinet take care not to pen in the fingers Also pay attention not to damage or pull off cables Screw the rear feet back on immediately after mounting the cabinet Do not move the unit with the rear feet missing CAUTION Risk of damage to the electronic components To avoid damage of electronic components the operational site must be protected against electrostatic discharge The following two methods of ESD protection may be used together or separa
83. ed test frequencies Direct DDS 9 kHz x fx 23 4375 MHz 23 4375 MHz 9 kHz 200 kHz 1 MHz 5 MHz Synthesis 10 MHz 23 4375 MHz Divider 128 23 4375 MHz f x 25 MHz 25 MHz 23 438 MHz 24 999 MHz Divider 64 25 MHz f x 50 MHz 32 MHz 50 MHz 25 01 MHz 31 99 MHz 49 99 MHz Divider 32 50 MHz f x 100 MHz 71 MHz 100 MHz 50 01 MHz 70 9 MHz 99 9 MHz Divider 16 100 MHz f x 200 MHz 141 MHz 200 MHz 100 1 MHz 140 9 MHz 199 9 MHz Divider 8 200 MHz f x 400 MHz 283 MHz 400MHz 200 1 MHz 282 9 MHz 399 9 MHz Divider 4 400 MHz f x 800 MHz 566 MHz 800 MHz 400 1 MHz 565 9 MHz 799 9 MHz Divider 2 800 MHz f x 1 6 GHz 1131 MHz 1600 MHz 800 1 MHz 1100 MHz 1130 9 MHz 1599 9 MHz 1 6 GHz lt f lt 3 2 GHz 2263 MHz 1600 1 MHz 2262 9 MHz 3 2 GHz RF max is the maximum output frequency of the instrument according to its frequency option 1 1 GHz or 3 2 GHZ For high resolution measurements in the entire frequency range a logarithmic frequency grid in 1 2 5 sequence is recommended up to 50 MHz above this value linear 50 MHz steps should be used up to the upper limit frequency The recommended test levels are at the upper and lower switching threshold of the attenuator The electronic attenuator of the DUT is switched depending on frequency modulation parameters and level according to an internal stored table in approximately 4 dB steps The switching thresholds can be detected under Attenuator fixed range in the Level menu Afte
84. ee Fig 3 2 If LED does not turn red approx 1 sec after power on either the Basis Board FPGA does not configure correctly or the CPU does not boot try to update the firmware which includes the FPGA configuration data If this does not help Change Basis Board Cables are loose Check cabling between Basis Board and Display TFT display defective Replace Front panel with TFT display 1411 4060 82 3 9 E 3 Troubleshooting R amp S SMC100A rr Fig 3 2 Red LED location on the Basis Board e Error Fan does not work Description of error Possible error causes and further steps Fan does not work Disconnect fan and check voltage on Basis Board X116 fan connector between pin 1 and 2 see Fig 3 3 Rated voltage 8 V 13 V depending on temperature Correct voltage Replace fan Faulty voltage Check the power supply of the Basis Board see page 3 21 15 13 fi E Pal u BE E Y t 4 BB gt JI ca b VICUS Fig 3 3 116 Fan Connector Pin Location 1411 4060 82 3 10 E 3 R amp S SMC100A Troubleshooting Problems with Booting e Error Unit does not start the application After switch on the signal generator first runs the Boot Loader The Boot Loader displays the R amp S Logo The Boot Loader loads the FPGAs on the Basis Board and on the RF Board After successful initialization of the computer approx 10 seconds the LINUX operating system st
85. emorizes the power on state of the instrument when the main power is cut This state is reconstituted on powering the instrument again Diagnostic ADC The diagnostic ADC is used for measuring the voltages in the unit These voltages are used for internal adjustments and the ALC S amp H mode of the R amp S SMC100A Additionally the failure diagnostic of the instrument is carried out by the use of ADC EEPROM The following data is stored here Header line data of the board and service information SIM Card A SIM card is used for identification of the instrument e g serial number Temperature sensor A temperature sensor mounted on the Basis Board monitors the temperature If a defined temperature above the guaranteed maximum operating temperature is exceeded the power supply is switched off So the R amp S SMC100A secures itself against damage due to overheating Fan Controller A Fan for cooling the RF modules is connected to the Basis Board and directly controlled according to the temperature of the Basis Board This is done independent of the controller 1411 4060 82 3 6 E 3 R amp S SMC100A Troubleshooting Troubleshooting The purpose of these troubleshooting instructions is to help to trace down malfunctions to board level The instrument can thus be made ready for use again by means of board replacement If error tracing doesn t show clear results we recommend that you ship your instrument to our experts in the service
86. erence internal mode without OCXO Option R amp S SMC B1 the 20 MHz TCXO is the internal reference signal for the Synthesizer and LF generator In this mode the frequency of the TCXO can be adjusted by a DAC When the 10 MHz OCXO Option R amp S SMC B1 is plugged into the RF Board or Reference external mode is chosen the 20 MHz TCXO is synchronized to the 10 MHz reference signal with a PLL In Reference internal mode without the OCXO the 10 MHz output signal for X202 REFOUT is derived from the internal 20 MHz TCXO by the means of a frequency divider In Reference external mode or with OCXO fitted the 10 MHz reference signal is fed straightforward to the 10 MHz REFOUT connector X202 RF Synthesizer DDS The multiplied 20 MHz signal of TCXO provides the system clock for the DDS The RF signals from DC to 23 4375 MHz are generated directly by the DDS In this mode all the modulation is done fully digital The modulated signal is converted to the analog domain by a DAC The analog RF signal is amplified low pass fillered and fed to the input of the step attenuator For frequencies above 23 4375 MHz the DDS generates a reference signal for the frequency synthesizer providing the fine frequency resolution for the frequency synthesis In the synthesizer a VCO is locked to the reference frequency from the DDS The RF signal is then generated by the means of fixed frequency dividers set to the appropriate divider ratio 1411 4060 82 3 3 E 3 Instrument Design
87. est Assembly for Analog Modulations page 1 3 Settings on DUT RF On Level 0 dBm Amplitude Modulation menu LF Gen Frequency 1 kHz Source Internal AM depth 30 Settings on R amp S FSQ AMPTD REF LEVEL 6 dBm FREQ CENTER test frequency FM DEMOD FMDEMOD ON RESULT DISPLAY gt AM RESULT DISPLAY gt AF SPECTRUM DEMOD BW gt 7 fio RANGE gt DEVIATION PER DIV 20 96 MEAS TIME 0 16 s Measure the THD for all recommended test frequencies To convert the displayed THD value in dB to percent calculate THD a 100 10 THDag 20 Limits according datasheet gt 100 kHz 1MHz 23 4375 MHz 23 438 MHz 99 9 MHz 399 9 MHz 1100 MHz 1599 9 MHz 1600 1 MHz 2262 9 MHz 3200 MHz 1 29 E 3 Test Procedures AM Frequency Response Test assembly Measurement 1411 4060 82 RES SMC100A See section Standard Test Assembly for Analog Modulations page 1 3 Settings on DUT RF On Level 0 dBm Amplitude Modulation menu Source External External Coupling DC AM depth 60 Settings on R amp S FSQ AMPTD REF LEVEL 6 dBm FREQ CENTER test frequency FM DEMOD FMDEMOD ON RESULT DISPLAY gt RESULT DISPLAY gt AF SPECTRUM DEMOD BW 200 kHz RANGE gt DEVIATION PER DIV 20 MEAS TIME 2 16 fmod s gt Vary the carrier frequency from 1 MHz to RF max Recommended test frequencies 1 MHz 99 9 MHz 399 9 MHz 799 9 MHz 1100 MHz 1599 9 MHz 1600 1 MHz 3200 MHz Settings on the sign
88. f the sinusoidal trace Calculate the VSWR VSWR Vmax Vmin gt Test frequencies from 200 kHz every 50 MHz up to RF max gt Test levels 0 dBm and 13 dBm 1 23 E 3 Test Procedures R amp S SMC100A Setting Time only for Option R amp S SMC K4 Test assembly Connect the spectrum analyzer Table 1 1 item 18 to the RF connector of the DUT AA Test method The spectrum analyzer is operated as a fast level meter in zero span A controller transfers the start and the stop level via the IEC IEEE bus The analyzer is triggered by the positive edge on the EOI line of the IEC IEEE bus At switch over from start to stop level the settling procedure is displayed on the screen of the analyzer Preparation of measurement Synchronize the reference frequencies of the DUT and the analyzer Make IEC IEEE bus and RF connections Connect spectrum analyzers trigger connector to EOI line pin 5 of IEC IEEE bus Setting on DUT Frequency test frequency unmodulated Level start level oettings on spectrum analyzer REFERENCE LEVEL target level 3 dB AMPLITUDE LOG RANGE 10 dB RESOLUTION BANDWIDTH 200 kHz VIDEO BANDWIDTH 2 MHz SPAN 0 Hz SWEEP TIME 10 ms TRIGGER EXTERN External triggering by positive edge at 1 4 V Measurement gt Send the stop level from the controller to the DUT gt The externally triggered analyzer displays the settling curve The setting time is defined as the time from whic
89. h on the level deviation from the final level is less than the specified deviation in the data sheet Measure the following steps with ALC state AUTO and with ALC state OFF Sample amp Hold Recommended test Frequencies 1 MHz 30 MHz 375 MHz 1 1 GHz 2 2 GHz and frequencies and levels 3 2 GHz otart level otop level 120 dBm 13 dBm 1411 4060 82 1 24 E 3 R amp S SMC100A Test Procedures Internal Modulation Generator Frequency accuracy The LF Generator is integrated into an FPGA clocked with the same reference frequency as the synthesizer Therefore the LF frequency has the same accuracy as the RF and has not to be measured Distortions Test equipment Test method Test setup Measurement of frequency settings and distortion Recommended test frequencies 1411 4060 82 Spectrum analyzer Table 1 1 item 18 The fundamental and harmonics of the LF generator are measured with the analyzer The analyzer calculates the Total Harmonic Distortion with the Harmonic Distortion function gt gt Connect the spectrum analyzer to the LF socket of the DUT Settings on DUT LF Output menu LF Gen Voltage 1 V LF Gen Frequency 1 kHz Settings of the spectrum analyzer RF INPUT DC AMPT REF LEVEL 20 dBm FREQ CENTER LF Gen Frequency MEAS gt HARMONIC DISTOR ATTEN MANUAL increase by 10 dB Read the THD Repeat the measurement at the recommended test frequencies by changing the
90. he purchased software option is provided together with the option The key code is to be entered into the Install SW Option menu ET Su ortion Option Key Installed Options menu provides information on the already installed options 1411 4060 82 4 3 E 2 R amp S SMC100A Contents Documents Contents Chapter 5 Documents A ML 5 1 SPee PAS ae ee 5 1 Available Power Cables 5 2 E 2 1411 4060 82 5 1 R amp S SMC100A Spare Parts 5 Documents This chapter contains the spare parts list and the documents for the complete R amp S SMC unit For gen eral information about spare parts for our products please refer to the sheet Procedure in Case of Ser vice and Ordering of Spare Parts at the beginning of this manual Spare Parts The stock numbers necessary for ordering replacement parts and modules can be found in the compo nent lists further down CAUTION Danger of shock hazard For module replacement ensure that the instrument is switched off and discon nected from the power supply by removing the plug from the AC and DC power connector Read all safety instructions at the beginning of this manual carefully before mod ule replacement NOTICE Risk of damage to the module When shipping a module be ca
91. ification given in the datasheet Measure output frequency with a spectrum analyzer or a frequency counter synchronized to the same reference The frequency error has to be 0 1 Hz R amp S SMC100A setting Setup Reference internal Measure the 10 MHz reference output signal with spectrum analyzer or frequency counter and power meter Output frequency and level have to meet the specifications given in the data sheet 1411 4060 82 3 17 Check the mating torque of the SMA connector at cable W 212 being 80 N cm to 110 N cm Most probably the RF Board is defective Check the RF Board being supplied correct see page 3 23 Most probably the RF Board is defective Check the RF Board being supplied correct see page 3 23 Without Reference Oscillator R amp S SMC B1 being equipped most probably the RF Board is defective Check the RF Board being supplied correct see page 3 23 If the R amp S SMC100A is equipped with Reference Oscillator R amp S SMC B1 remove the unit see page 3 57 and perform this test again If it works most probably the Reference Oscillator R amp S SMC B1 is defective Check the Reference Oscillator being supplied correct see page 3 28 E 3 Troubleshooting R amp S SMC100A Poor Harmonic Distortion Overvoltage protection does not trigger Slow Settling times 10 MHz Reference Input faulty 1411 4060 82 R amp S SMC100A settings Instrument Preset Reference internal RF on ATT Mo
92. inition for civil applications in the European Economic Area Definitions that deviate from the standard definition may also exist in other economic areas or military applications It is therefore essential to make sure that the signal words described here are always used only in connection with the related product documentation and the related product The use of signal words in connection with unrelated products or documentation can result in misinterpretation and in personal injury or material damage 1171 0000 42 08 Page 2 Basic Safety Instructions Operating states and operating positions The product may be operated only under the operating conditions and in the positions specified by the manufacturer without the product s ventilation being obstructed If the manufacturer s specifications are not observed this can result in electric shock fire and or serious personal injury or death Applicable local or national safety regulations and rules for the prevention of accidents must be observed in all work performed 1 Unless otherwise specified the following requirements apply to Rohde amp Schwarz products predefined operating position is always with the housing floor facing down IP protection 2X use only indoors max operating altitude 2000 m above sea level max transport altitude 4500 m above sea level A tolerance of x10 shall apply to the nominal voltage and 5 to the nominal frequency overvoltage category 2 pollution degree
93. isplay For service purposes the front unit can be replaced by the new version in all instruments with a Basis Board with the Change Index 04 00 or higher Instrument Design and Function Description A schematic of the signal generator s design is presented below as block diagram at module level SMCI00A MOD EXT BNC T LFOUT BNC RF 50 Ohm N ho Front Panel SMC T o A320 Flex Switch board 14114545 00 100 BASISBOARD 2 1406 6700 04 Freescale PowerQuick 110 Chipcard 1411 4883 00 Semi Rigid 214 215 x212 MODEXT LFGEN Rear Panel SMC K4 IEC BUS 1411 3506 02 100 240V AC 50 60Hz 1 2 04 A 2 127 T3 15H2 50V 1411 4060 82 3 1 E 3 Instrument Design and Function Description R amp S SMC100A The R amp S SMC100A consists of very few main modules and very few connections between these modules The main units are e Power Supply e Basis Board which includes all digital external Interfaces the main CPU the Fan control logic the hardware drivers for the front panel and the Interface for the RF Board e Front Unit consisting of the rotary knob with encoder the flexible switch board and the QVGA Color Display e RF Board including the whole measurement hardware R amp S SMC B1 Reference Oscillator which is plugged direct into the RF Board A detailed description of these modules is given in the next chapter 1411 4060 82 3
94. kHz Perform the measurement for test frequency 23 MHz Repeat the measurement with changing the settings to FM Ext Coupling AC for test frequency 23 MHz Repeat the measurement with changing the settings to FM Ext Coupling AC FM deviation 500 kHz for test frequencies 200 1 MHz 266 MHz 333 MHz 400 MHz LF sweep from 1 kHz to 100 kHz Repeat the measurement with changing the settings to FM Source Internal FM deviation 500 kHz at test frequency 400 MHz LF sweep from 1 kHz to 100 kHz Test assembly See section Standard Test Assembly for Analog Modulations page 1 3 1411 4060 82 1 34 E 3 R amp S SMC100A Measurement Recommended settings 1411 4060 82 gt gt Test Procedures Settings on DUT RF On Level 0 dBm Frequency Modulation menu State on FM Source Internal FM deviation 40 kHz LFGen Frequency 1 kHz oettings on spectrum analyzer AMPTD REF LEVEL 6 dBm FREQ CENTER test frequency FMDEMOD FMDEMOD ON RESULT DISPLAY AM AF Spectrum AF Start 0 Hz AF Stop 5 kHz RES BW 30 Hz DEMOD BW 100 kHz IF BW MANUAL 10 MHz RANGE REFERENCE VALUE 0 2 96 MEAS TIME 3 ms Read the AM depth at 1 kHz modulation frequency from the demodulated AF spectrum CF sweep Recommended test frequencies 23 4 MHz 400 MHz 800 MHz 1100 MHz 3200 MHz 1 35 E 3 Test Procedures R amp S SMC100A Carrier Frequency Offset with FM Test assembly See section Standard Test Assembly for Analog Modu
95. l bus 5 5 V Data signal CU V A2 to option B2 when en serial bus Oven Cold option fitted Chip Select Data signal 5 0 V A3 signal B3 from option C3 when 10 MHz ial ial serial bus serial bus option on LVDS signal ies iis m 4 5 V 4 5 V 10 5 V 1411 4060 82 3 28 E 3 R amp S SMC100A Troubleshooting Error Messages Concerning the Reference Oscillator Module Error message Error correction gt OCXO 10 MHz oven cold gt If this message does not disappear after 10 minutes OCXO is defective change the module Synchronization error on internal reference gt Switch the R amp S SMC100A to external Reference and supply a 10 MHz 10 dBm signal to the Reference Input of the RF BOARD If the error disappears and the R amp S SMC100A is working correct the OCXO is defective change the module gt OCXO cannot read EEPROM data gt indicates problems concerning the data transfer from and to the EEPROM of the module If changing the module does not help gt OCXO cannot store adjustment data change the RF Board module Frequency Error Reference Oscillator Adjustment Error Error correction Internal reference frequency gt frequency accuracy of the synthesizer is determined set to internal TM reference by a highly stable oven controlled 10 MHz quartz oscillator that is Frequency error greater than limit given in set to a calibrated frequency standa
96. l system shutdown and then powers off the power supply via pin 13 of the power supply connector Pressing and holding the button on the front panel for longer than five seconds leads to an emergency shutdown which is controlled by special hardware on the Basis Board In this case no user data can be saved The instrument can also be switched off by means of the temperature monitoring circuit on the Basis Board If the temperature sensor on the Basis Board detects an over temperature e g in the event that a fan fails the power supply is switched off via pin 13 of the power supply connector It can only be switched on again after cooling down 1411 4060 82 3 8 E 3 R amp S SMC100A Troubleshooting e Error Instrument cannot be switched on Action Possible error causes and further steps Check power on switch on the rear Power switch OFF Switch on power supply Check fuses on the rear y Check yellow LED standby LED remains unlit Measure standby voltage at 1 X101 see Fig 3 1 Rated value 4 75 V 5 25 No voltage Check power cable from power supply no faulty voltage change power supply Otherwise Loose Flex Switchboard in X112 or bad contacts Fig 3 1 ON OFF Testpoint X101 and X112 location on the Basis Board e Error Signal generator starts up but display remains black Description of error Possible error causes and further steps CPU does not boot correctly Check red LED on Basis Board s
97. la frecuencia nominal Categor a de sobrecarga el ctrica 2 ndice de suciedad 2 No sit e el producto encima de superficies veh culos estantes o mesas que por sus caracter sticas de peso o de estabilidad no sean aptos para l Siga siempre las instrucciones de instalaci n del fabricante cuando instale y asegure el producto en objetos o estructuras p ej paredes y estantes Si se realiza la instalaci n de modo distinto al indicado en la documentaci n del producto se pueden causar lesiones o en determinadas circunstancias incluso la muerte No ponga el producto sobre aparatos que generen calor p ej radiadores o calefactores La temperatura ambiente no debe superar la temperatura m xima especificada en la documentaci n del producto o en la hoja de datos En caso de sobrecalentamiento del producto pueden producirse choques el ctricos incendios y o lesiones graves con posible consecuencia de muerte Seguridad el ctrica Si no se siguen se siguen de modo insuficiente las indicaciones del fabricante en cuanto a seguridad el ctrica pueden producirse choques el ctricos incendios y o lesiones graves con posible consecuencia de muerte 1 Antes de la puesta en marcha del producto se deber comprobar siempre que la tensi n preseleccionada en el producto coincida con la de la red de alimentaci n el ctrica Si es necesario modificar el ajuste de tensi n tambi n se deber n cambiar en caso dado los fusibles correspo
98. larmente el correcto estado de los cables de conexi n a red Aseg rese mediante las medidas de protecci n y de instalaci n adecuadas de que el cable de conexi n a red no pueda ser da ado o de que nadie pueda ser da ado por l p ej al tropezar o por un choque el ctrico 1171 0000 42 08 Page 10 10 11 12 13 14 15 16 17 18 Instrucciones de seguridad elementales Solamente est permitido el funcionamiento en redes de alimentaci n TN TT aseguradas con fusibles de 16 A como m ximo utilizaci n de fusibles de mayor amperaje solo previa consulta con el grupo de empresas Rohde amp Schwarz Nunca conecte el enchufe en tomas de corriente sucias o llenas de polvo Introduzca el enchufe por completo y fuertemente en la toma de corriente La no observaci n de estas medidas puede provocar chispas fuego y o lesiones No sobrecargue las tomas de corriente los cables alargadores o las regletas de enchufe ya que esto podr a causar fuego o choques el ctricos En las mediciones en circuitos de corriente con una tensi n U r gt 30 V se deber n tomar las medidas apropiadas para impedir cualquier peligro p ej medios de medici n adecuados seguros limitaci n de tensi n corte protector aislamiento etc Para la conexi n con dispositivos inform ticos como un PC o un ordenador industrial debe comprobarse que stos cumplan los est ndares IEC60950 1 EN60950 1 o IEC61010 1 EN 61010 1 v lidos en
99. lations page 1 3 Measurement Settings on DUT RF On Level 0 dBm Frequency 1 GHz Frequency Modulation menu State on FM Source Internal FM deviation 1 MHz LFGen Frequency 10 kHz Settings on spectrum analyzer AMPT REF LEVEL 0 dBm FREQ CENTER 1 GHz SPAN 10 kHz MKR SIGNAL COUNT NEXT CNT RESOL 10 Hz Terminate the DUT External Modulation input with 50 O and execute the internal FM offset adjustment gt Execute a single sweep Using MKR gt PEAK read counted marker frequency The offset is the difference between marker frequency and set carrier frequency Repeat measurement with FM source external coupling ac and dc 2 measurements 1411 4060 82 1 36 E 3 R amp S SMC100A Phase Modulation Test Procedures PhiM Setting Uncertainty Test Method Measurement Recommended settings 1411 4060 82 gt gt FFT Demodulation see chapter Test Methods Settings on DUT RF On Level 0 dBm Phase Modulation menu State on PhiM Source Internal PhiM Deviation 2 5 rad LFGen Freq 1 kHz Settings on spectrum analyzer see chapter Test Methods Recommended test frequencies 10 MHz and 400 MHz Repeat measurement at 400 MHz with changing settings to PhiM Source External PhiM Ext Coupling AC feed in a 1 kHz external modulation signal at MOD EXT connector 1 37 E 3 Test Procedures PhiM Distortion Test Method Measurement Recommended settings 1411 4060 82
100. line of the IEC IEEE bus is used as trigger signal instead of the pulse generator The spectrum analyzer operates as an FM demodulator A controller transmits the start and the stop frequency via the IEC IEEE bus The analyzer is triggered by the positive edge on the EOI line of the IEC IEEE bus or the trigger pulse in list mode At switch over from start to stop frequency the settling procedure is displayed on the screen of the analyzer gt Synchronize the reference frequencies of the DUT and the analyzer gt Make bus and RF connections gt Connect spectrum analyzers trigger connector to EOI line pin 5 of IEC IEEE bus Settings on DUT Frequency start frequency unmodulated Level 0 dBm Settings on spectrum analyzer AMPT REF LEVEL 0 dBm FREQ CENTER STOP FREQUENCY FM DEMOD ON DEMOD BW 50 kHz RANGE DEVIATION PER DIV 200 Hz MEAS TIME 10 ms TRIGGER EXTERN External triggering by positive edge at 1 4 V Test Procedures R amp S SMC100A Measurement Settings on analyzer Set the analyzer to the stop frequency gt Setthe DUT to the start frequency fs gt Send the stop frequency fstop from the controller to the DUT gt The externally triggered analyzer displays the settling curve The setting time is defined as the time from which on the frequency deviation from the stop frequency is less than the specified deviation in the data sheet gt Repeat the measurement with ALC
101. minate these disturbances Class B equipment Equipment suitable for use in residential environments and environments that are directly connected to a low voltage supply network that supplies residential buildings Repair and service 1 The product may be opened only by authorized specially trained personnel Before any work is performed on the product or before the product is opened it must be disconnected from the AC supply network Otherwise personnel will be exposed to the risk of an electric shock 1171 0000 42 08 Page 5 Basic Safety Instructions Adjustments replacement of parts maintenance and repair may be performed only by electrical experts authorized by Rohde amp Schwarz Only original parts may be used for replacing parts relevant to safety e g power switches power transformers fuses A safety test must always be performed after parts relevant to safety have been replaced visual inspection protective conductor test insulation resistance measurement leakage current measurement functional test This helps ensure the continued safety of the product Batteries and rechargeable batteries cells If the information regarding batteries and rechargeable batteries cells is not observed either at all or to the extent necessary product users may be exposed to the risk of explosions fire and or serious personal injury and in some cases death Batteries and rechargeable batteries with alkaline electrolytes e g lithi
102. mo en aquellos conectados directamente a una red de distribuci n de baja tensi n que suministra corriente a edificios residenciales 1171 0000 42 08 Page 12 Instrucciones de seguridad elementales Reparaci n y mantenimiento 1 El producto solamente debe ser abierto por personal especializado con autorizaci n para ello Antes de manipular el producto o abrirlo es obligatorio desconectarlo de la tensi n de alimentaci n para evitar toda posibilidad de choque el ctrico El ajuste el cambio de partes el mantenimiento y la reparaci n deber n ser efectuadas solamente por electricistas autorizados por Rohde amp Schwarz Si se reponen partes con importancia para los aspectos de seguridad p ej el enchufe los transformadores o los fusibles solamente podr n ser sustituidos por partes originales Despu s de cada cambio de partes relevantes para la seguridad deber realizarse un control de seguridad control a primera vista control del conductor de protecci n medici n de resistencia de aislamiento medici n de la corriente de fuga control de funcionamiento Con esto queda garantizada la seguridad del producto Bater as y acumuladores o celdas Si no se siguen o se siguen de modo insuficiente las indicaciones en cuanto a las bater as y acumuladores o celdas pueden producirse explosiones incendios y o lesiones graves con posible consecuencia de muerte El manejo de bater as y acumuladores con electrolitos alcalinos p
103. module If all test points are out of tolerance maybe only one of the modules is defective and disturbs the diagnostic system To determine which module is defective remove all modules that include test points one after another except the Basis Board If values are still out of tolerance replace the Basis Board The diagnostic system operates with multiplexers on each If the remaining test points are in tolerance after removing a board to switch the desired test point to the common line module the module removed is defective Replace this board named DIAG on the Basis Board Each test point is switched to the line only for the time of a measurement and switched off after it The A D converter is located on the Basis Board It is advisable to begin by checking the test points on the Basis Board since the diagnostic converter is located on this module 1411 4060 82 3 14 E 3 R amp S SMC100A Troubleshooting Basis Board DIAG 5 ADCGRD Reference Ground Supply Voltages _ A Y EEE Pa IA EY DIAG_SMC_RF_MODEXT 1 05 V Extern Modulation Input 1411 4060 82 3 15 E 3 Troubleshooting R amp S SMC100A Troubleshooting with Internal Adjustments Various internal adjustments are necessary for correct operation of the instrument The failure of a certain adjustment can shorten troubleshooting considerably The affected module is the RF
104. mple Ref 0 80 Att 5 dB IFB 2 MHz AQT 200 ms R amp S SMC100A 60 40 20 20 40 60 80 Center 1 GHz Amplitude Modulation Summary Modulation Depth Modulation peak peak tpeak 2 RMS Date 25 FEB 2008 16 33 44 Residual AM 0 005 1411 4060 82 PLU Y More 2043 Dos DOS 00 090 20 ms Carrier Power Modulation Frequency Sampling Rate Record Length Demod Bandwidth AF Filter HE LP 1 20 0 107 Zou 50001 200 20 23 dBm kHz kHz Hz kHz E 3 R amp S SMC100A Level Data Level Uncertainty Test method Test equipment Test Procedures The level uncertainty is measured in two steps First the frequency response is measured at a fixed level with high frequency resolution Then the level dependant uncertainty is measured at fixed frequencies over the specified range Power meter Table 1 1 item 8 Spectrum analyzer Table 1 1 item 18 Low noise preamplifier Table 1 1 item 9 Test method for levels in measurement range of power meter Test setup Measurement Recommended test frequencies for the level frequency response measurement 1411 4060 82 Connect power meter to RF output socket Setting on DUT Levels 13 dBm in level Mode AUTO gt Measure the level Papsolute at the recommended test frequencies up to RF inaw gt The level er
105. nal Adjustments Adjust All Level Data at 0 dBm External Level Correction power meter and special measuring software required OCXO Setup Internal Adjustments Adjust All Reference Frequency Output of Internal Reference Power Supply 0000 Power Supply 0000 Setup Internal Adjustments Adjust All 1411 4060 82 2 1 E 2 Procedures after Module Replacement R amp S SMC100A Procedures after Replacing the Basis Board Required equipment USB Memory Stick at least 128 MB Required software Actual SMC_ Firmware see R amp S homepage www rohde schwarz com Copy the firmware to the root folder of the memory stick Install the new Firmware See Chapter 4 Software Update Adjustments Preliminary Remark Setting a defined initial state by pressing the key prior to adjustments is recommended To ensure that the internal adjustments are valid at operating temperature at least 20 minutes warm up time at this temperature must be observed Internal Adjustments All internal adjustments are available in the Setup Internal Adjustments menu see operating manual Adjustments of the Complete Unit Performing Setup Internal Adjustments Adjust All activates all internal adjustments in a reasonable order The external adjustments have to be performed if the recommended calibration interval is exhausted or the RF Board has been replaced External Adjustments Requiring Measurement Equipment The external adjustments require calibrate
106. nal modulation signal from MODEXT can be AC or DC coupled This signal is converted into the digital domain by the means of a 10 Bit ADC The Frequency and Phase Modulations are implemented fully digital For output frequencies below 23 4375 MHz the AM is implemented fully digital as well For RF frequencies above 23 4375 MHz the modulation signal is applied as reference signal to the level control loop The AM modulation depth is set by a multiplying DAC A switch matrix to select internal or external modulation signals is implemented in analog circuitry and additionally in the digital domain AM modulators Below 23 4375 MHz in the DDS RF frequency range the AM is generated digitally For RF frequencies above 23 4375 MHz a PIN modulator is used Automatic Level control A RF detector at the output of the power amplifier is used to obtain information about the actual output power This information signal is fed back to the Automatic Level Control ALC unit The ALC sets the Level Control Voltage controlling the AM modulator to reach the desired output level 1411 4060 82 3 4 E 3 R amp S SMC100A Instrument Design and Function Description Step Attenuator and reverse power protection Due to the limited dynamic range of the ALC RF detector the regulated RF signal is attenuated with passive attenuators The step attenuator is a settable attenuator with known attenuation At the RF output of the RF Board a reverse power protection circuitry detect
107. ndientes del producto Los productos de la clase de protecci n con alimentaci n m vil y enchufe individual solamente podr n enchufarse a tomas de corriente con contacto de seguridad y con conductor de protecci n conectado Queda prohibida la interrupci n intencionada del conductor de protecci n tanto en la toma de corriente como en el mismo producto La interrupci n puede tener como consecuencia el riesgo de que el producto sea fuente de choques el ctricos Si se utilizan cables alargadores o regletas de enchufe deber garantizarse la realizaci n de un examen regular de los mismos en cuanto a su estado t cnico de seguridad Si el producto no est equipado con un interruptor para desconectarlo de la red o bien si el interruptor existente no resulta apropiado para la desconexi n de la red el enchufe del cable de conexi n se deber considerar como un dispositivo de desconexi n El dispositivo de desconexi n se debe poder alcanzar f cilmente y debe estar siempre bien accesible Si p ej el enchufe de conexi n a la red es el dispositivo de desconexi n la longitud del cable de conexi n no debe superar 3 m Los interruptores selectores o electr nicos no son aptos para el corte de la red el ctrica Si se integran productos sin interruptor en bastidores o instalaciones se deber colocar el interruptor en el nivel de la instalaci n No utilice nunca el producto si est da ado el cable de conexi n a red Compruebe regu
108. ne connector to the shield contact of the other connector For correct measurement results consider the contact resistance at your probe tips Good cables have a value of less than 0 6 according to USB standards Also check whether the resistance is stable when you bend the cable 1411 4060 82 3 12 E 3 R amp S SMC100A Troubleshooting Troubleshooting with Internal Self Test The internal selftest checks the instrument by measuring internal diagnostic points In case of an instrument fail this check should always be done first Execute Selftest The selftest reports the modules failing the test Selftest FAILED Testcase OCXO PASSED Board FAILED Basis Board PASSED To see the details of the selftest select the board failing the selftest Testcase Resun EIDDS Range 3V3_REF REF100B PASSED DET I FAILED If the Basis Board fails this test check the fuses and supply voltages from the power supply see page 3 21 When the Basis Board fails this test the other modules cannot work correct So only if the Basis Board passes the selftest check the other modules failing the selftest 1411 4060 82 3 13 E 3 Troubleshooting R amp S SMC100A Troubleshooting with Internal Test Points The Protection menu provides access to the unlocking of protected service functions authorized personnel of R amp S Service Departments only To deactivate
109. ne que estar protegido contra descargas electroest ticas ESD elec trostatic discharge Mu equera cord n Y Conexi n a tierra del edificio Estera Talonera o Conexi n a tierra del rea de trabajo Los siguientes dos m todos de protecci n ESD pueden ser usados jun tos O separados e Mu equera con cord n para conexi n a tierra e Combinaci n de estera antiest tica y talonera 1171 0300 62 E Esp 3 Procedure in Case of Service and Ordering of Spare Parts This section contains information on shipping an instrument to your service center and ordering spare parts Please contact your local Rohde amp Schwarz service center if you need service or repair work of your equipment or to order spare parts You can find the current address of your representative on our homepage www rohde schwarz com Shipping the Instrument We require the following information in order to answer your inquiry fast and correctly and to determine whether the warranty is still valid for your instrument Instrument model Serial number Firmware version Must the instrument be returned with this firmware Detailed error description in case of repair Indication of desired calibration Contact person for possible questions In some countries an RMA process is available for the return shipment of the instrument For details contact your local representative When shipping the instrument be careful to provide
110. o Transporte Como con todo producto de fabricaci n industrial no puede quedar excluida en general la posibilidad de que se produzcan alergias provocadas por algunos materiales empleados los llamados al rgenos p ej el n quel Si durante el manejo de productos Rohde amp Schwarz se producen reacciones al rgicas como p ej irritaciones cut neas estornudos continuos enrojecimiento de la conjuntiva o dificultades respiratorias debe avisarse inmediatamente a un m dico para investigar las causas y evitar cualquier molestia o da o a la salud Antes de la manipulaci n mec nica y o t rmica o el desmontaje del producto debe tenerse en cuenta imprescindiblemente el cap tulo Eliminaci n protecci n del medio ambiente punto 1 Ciertos productos como p ej las instalaciones de radiocomunicaci n RF pueden a causa de su funci n natural emitir una radiaci n electromagn tica aumentada Deben tomarse todas las medidas necesarias para la protecci n de las mujeres embarazadas Tambi n las personas con marcapasos pueden correr peligro a causa de la radiaci n electromagn tica El empresario operador tiene la obligaci n de evaluar y se alizar las reas de trabajo en las que exista un riesgo elevado de exposici n a radiaciones Tenga en cuenta que en caso de incendio pueden desprenderse del producto sustancias t xicas gases l quidos etc que pueden generar da os a la salud Por eso en caso de incendio deben usarse me
111. oftware Update Installing 4 1 Installation of New R amp S SMC Firmware oooccocccocccocccocccocccocccconcocnnonnononnoncnnnnnonnnnnnnnnnnonnnnanenonos 4 1 Installing Ihe ODIHORIS ct ri era 4 2 FRO ACO DUO M A 4 2 SOIWArE OPIONS c m 4 3 1411 4060 82 I 4 1 E 2 R amp S SMC100A Installation of New R amp S SMC Firmware 4 Software Update Installing Options This chapter contains information on firmware update Linux operating system update and installing options to the R amp S SMC Additional manuals obtained together with a firmware update or with subsequently acquired options can be filed here NOTICE Possible impairment of the functioning of the instrument The instrument is equipped with the Linux operating system It is thus possible to install COTS software in the instrument The use and installation of commercial off the shelf COTS software may impair the instrument function For this reason we recommend that you only execute programs tested by Rohde amp Schwarz with regard to their compatibility with the instrument software In certain cases the use of these programs can impair the performance of the instrument The drivers and programs used in the instrument under Linux have been adapted to the test instrument Existing instrument software must only be modified with update software released by Rohde amp Schwarz Installati
112. on of New R amp S SMC Firmware Your R amp S SMC is delivered with the latest firmware version available Firmware updates as well as the Release Notes describing the improvements and modifications are provided on the Internet at the download site of the R amp S SMC homepage http www rohde schwarz com product smc100a This homepage always offers the latest information on your signal generator e g also on changes of the firmware update procedure Firmware updates always are delivered in one single file with a filename starting with SMC and ending in rsu The version numbers in the filename vary with each update Firmware update SMC x xx xx rsu The installation of a new firmware version is performed via the USB interface A deinstallation of the old firmware is not necessary The update file has to be downloaded from the Internet to a PC From there the file should be transferred to the root directory of a memory stick which will later be plugged into the USB interface of the instrument The firmware update is performed while the instrument is running The new firmware will be loaded right after the update process If the instrument sees a memory stick at its USB interface it offers all versions stored in the root directory for selection Thus an upgrade or downgrade of the firmware is possible at any time Installing the firmware NOTICE Risk of impairment of instrument function To avoid impairment of instrument functions th
113. or cable and test again If the signals still not match their description change the defective board according to the table Internal Input and Output Signals Connector Signal name Setting on signal Frequency Level Signal flow system generator X212 SMA RF ON 9 kHz to 3 2 GHz 120 dBm to to N RF connector at front 19 dBm X214 SMP MOD EXT AM FM PM Source 0 0 to 100 kHz 1Vto 1V from BNC MOD EXT at front Ext X215 SMP LFGEN LF output on 0 1 Hz to 100 kHz 0 V to 2 55 V to BNC LF at front 1411 4060 82 3 20 E 3 Troubleshooting R amp S SMC100A Error Messages Concerning the RF Board Module Error message ALC unlocked Synthesis main loop PLL unlocked Synthesis adjustment failed Synthesis adjustment data invalid Error correction Y Y YV V Y Y Automatic Level Control ALC exceeds upper bound Set attenuator mode Auto Execute Internal Adjustment Adjust Synthesis If the error message does not disappear change the module Execute Internal Adjustment Adjust Synthesis If error messages does not disappear check the diagnosis see Troubleshooting with Internal Test Points If the diagnosis measurements work change the RF Board Execute Internal Adjustment Adjust Synthesis If error messages does not disappear check the diagnosis see Troubleshooting with Internal Test Points If the diagnosis measurements work change the RF Board Warnings Concerning the RF Board Module Warnings
114. ore than once the field changes to red When all operating elements including the rotary knob have If the color changes to red at the first actuation a malfunction been actuated once all fields are green If operating elements has occurred bouncing have been actuated twice the fields are red If the color of the corresponding field remains the same after actuation the function is defective In either case Change the switching pad and or rotary knob A message is output when all keys have been pressed Note No error message is output even if a number of keys are red The user must decide whether a malfunction has occurred All Front Panel Keys were accessed correctly USB Cable Test USB cables of good quality are required for EMI suppression and stable connections However according to our experience USB cables are of varying and often poor quality This concerns the connection between the cable shield and the shield contacts of the connectors Cables of poor quality may cause EMI interference and poor connection quality EMI interference among other things may ultimately lead to measurement errors Poor connection quality may create problems like increased latencies that are due to retransmissions because of data corruption or may even lead to a complete loss of data connection Therefore we recommend checking every USB cable using the following easy method Measure the electrical resistance from the shield contact of o
115. p SCHWARZ SMC100A SIGNAL GENERATOR Datum Date Abt Dept Name Name 2013 03 11 MTEK El 0041 1653 00 1411 4383 00 1096 6618 00 1096 6624 00 1096 6630 00 1096 6647 00 1411 4502 00 3584 9795 00 1411 4760 00 0836 8850 00 1411 4548 00 1411 4554 00 Sprach Lang Blatt Sheet de en 15 00 2 of 2 Dokument Nr Document No 1411 4002 01 ST F r diese Unterlage behalten wir uns alle Rechte vor Ausgedruckte Dokumente unterliegen nicht dem Anderungsdienst For this document all rights are reserved Printed documents are not subject to revision Pos Nr Menge ME El Kennz Benennung Bezeichnung Z Sachnummer Ersatzteil BA VH Quantity Unit Ref Des Designation Stock No Subst part ACHTUNG EGB ATTENTION ESD VARIANTENERKLAERUNG EXPLANATION OF MODELS VARO2 GRUNDVARIANTE MODO2 BASIC MODEL MZ HALTEWINKEL 1 2 HOLDER 1 2 KB GERAETEWANNE SMC BEDRUCKT REAR PANEL SMC BEDRUCKT KR BW2 FRONTRAHMEN 2E 1 2 FRONTFRAME VN BLINDNIET 3 2X5 8 ST BLIND RIVET 3 2X5 8 ST WG HF DICHT O PROF 2 0 SI SEALING DX LUEFTEREINHEIT FAN UNIT MZ Dichtungsfeder L 12 05 MZ SEAL SPRING L 12 05 Benennung Designation CHASSIS SMC ROHDE amp SCHWARZ CHASSIS SMC 2008 05 28 At 1GPK Name Datum Date MS 1411 4254 00 1411 4319 00 1096 0355 00 T 1096 4821 00 O 0396 1035 00 T 1406 6330 00 1143 8881 00 Sprach Lang Blat
116. r tener en cuenta que las palabras de se al aqu descritas sean utilizadas siempre solamente en combinaci n con la correspondiente documentaci n del producto y solamente en combinaci n con el producto correspondiente La utilizaci n de las palabras de se al en combinaci n con productos o documentaciones que no les correspondan puede llevar a interpretaciones equivocadas y tener por consecuencia da os en personas u objetos Estados operativos y posiciones de funcionamiento El producto solamente debe ser utilizado seg n lo indicado por el fabricante respecto a los estados operativos y posiciones de funcionamiento sin que se obstruya la ventilaci n Si no se siguen las indicaciones del fabricante pueden producirse choques el ctricos incendios y o lesiones graves con posible consecuencia de muerte En todos los trabajos deber n ser tenidas en cuenta las normas nacionales y locales de seguridad del trabajo y de prevenci n de accidentes 1171 0000 42 08 Page 9 Instrucciones de seguridad elementales Si no se convino de otra manera es para los productos Rohde amp Schwarz v lido lo que sigue como posici n de funcionamiento se define por principio la posici n con el suelo de la caja para abajo modo de protecci n IP 2X uso solamente en estancias interiores utilizaci n hasta 2000 m sobre el nivel del mar transporte hasta 4500 m sobre el nivel del mar Se aplicar una tolerancia de 10 sobre el voltaje nominal y de 5 sobre
117. r eso es necesario tomar las medidas necesarias para evitar la entrada de l quidos En caso contrario existe peligro de choque el ctrico para el usuario o de da os en el producto que tambi n pueden redundar en peligro para las personas No utilice el producto en condiciones en las que pueda producirse o ya se hayan producido condensaciones sobre el producto o en el interior de ste como p ej al desplazarlo de un lugar fr o a otro caliente La entrada de agua aumenta el riesgo de choque el ctrico Antes de la limpieza desconecte por completo el producto de la alimentaci n de tensi n p ej red de alimentaci n o bater a Realice la limpieza de los aparatos con un pa o suave que no se deshilache No utilice bajo ning n concepto productos de limpieza qu micos como alcohol acetona o diluyentes para lacas nitrocelul sicas 1171 0000 42 08 Page 11 Instrucciones de seguridad elementales Funcionamiento 1 El uso del producto requiere instrucciones especiales y una alta concentraci n durante el manejo Debe asegurarse que las personas que manejen el producto est n a la altura de los requerimientos necesarios en cuanto a aptitudes f sicas ps quicas y emocionales ya que de otra manera no se pueden excluir lesiones o da os de objetos El empresario u operador es responsable de seleccionar el personal usuario apto para el manejo del producto Antes de desplazar o transportar el producto lea y tenga en cuenta el cap tul
118. r must evaluate workplaces where there is a special risk of exposure to radiation and if necessary take measures to avert the potential danger 6 Should a fire occur the product may release hazardous substances gases fluids etc that can cause health problems Therefore suitable measures must be taken e g protective masks and protective clothing must be worn 7 Laser products are given warning labels that are standardized according to their laser class Lasers can cause biological harm due to the properties of their radiation and due to their extremely concentrated electromagnetic power If a laser product e g a CD DVD drive is integrated into a Rohde amp Schwarz product absolutely no other settings or functions may be used as described in the product documentation The objective is to prevent personal injury e g due to laser beams 8 EMC classes in line with EN 55011 CISPR 11 and analogously with EN 55022 CISPR 22 EN 55032 CISPR 32 Class A equipment Equipment suitable for use in all environments except residential environments and environments that are directly connected to a low voltage supply network that supplies residential buildings Note Class A equipment is intended for use in an industrial environment This equipment may cause radio disturbances in residential environments due to possible conducted as well as radiated disturbances In this case the operator may be required to take appropriate measures to eli
119. r setting all other parameters the threshold level can be detected by level variation The level at which the attenuator fixed range changes is the threshold By measuring at the last level setting of one range and the first level setting of the next range the internal setting range borders are used In the following Pin is the lowest level before switching the attenuator and Pmax the highest 1411 4060 82 1 6 E 3 R amp S SMC100A Test Procedures Test Procedures Reference Frequency Output of Internal Reference Important Allow the DUT to warm up for at least 2 hours before the measurement Test equipment RF power meter Table 1 1 item 8 Frequency counter Table 1 1 item 1 Test setup Connect an RF power meter to the REF OUT output on rear panel Measurement gt Measure the output level It should be within 3 dB of the data sheet specifications Test setup gt Connect a calibrated frequency counter to the REF OUT output on rear panel Measurement Measure the frequency gt The frequency deviation must not exceed the sum of deviations resulting from the frequency error in the rated temperature range and from aging 1411 4060 82 1 7 E 3 Test Procedures R amp S SMC100A Input for External Reference Test equipment Frequency counter Table 1 1 item 1 Signal generator Table 1 1 item 5 Test method The external reference input frequency of the DUT is varied according to the data sheet and the RF outp
120. rd at the R amp S factory This oscillator is datasheet subject to ageing and can be recalibrated see chapter 2 Adjustment of internal Reference Frequency Note The internal reference can be tuned by up to approx 10 under the menu Setup Reference Oscillator Adjustment This setting does not affect the factory adjustment and can be reset at any time by means of deactivation 1411 4060 82 3 29 E 3 Module Replacement R amp S SMC100A Module Replacement This section describes in detail the replacement of modules Chapter 5 provides information on how to order spare parts it contains the list of mechanical parts with order numbers and the illustrations for module replacement Required tools e Star screwdriver TX 20 e Star screwdriver 8 Star screwdriver TX 6 e Side cutter e Flat pliers e Forceps e Tubular box wrench or a combinations wrench 16mm e Torque wrench 8mm Notice Urgent Please screw all the HF conductions with the Torque wrench 60 Ncm and NOT with an ordinary open end wrench Please wear gloves when you touch the electronic devices Overview of the Modules Table 3 1 Overview module replacement mwa Beso ETA Note The words left and right in the manual always refer to the front view of the instrument 1411 4060 82 3 30 E 3 R amp S SMC100A Module Replacement After replacing an assembly After you have replaced one of the assemblies certain adjustments functional ch
121. re OK switch of R amp S SMC100A again and then connect the display and switch on the R amp S SMC100A again If one of the fuses is blown after two minutes and the display is not working the display is defective If the RF Board is equipped with the Reference Oscillator R amp S SMC B1 remove this unit first see page 3 57 Now repeat the fuse test by first adding the connection to the RF Board and then adding the Reference Oscillator R amp S SMC B1 The module causing the blown fuse is defective Fuse Type R amp S Part Number Manufacturer Part Number T5A 1090 4442 00 Littlefuse R452 005 NRL MRL FF10A 6104 9199 00 Littlefuse R452 010 NRL MRL TSA 1090 4442 00 Littlefuse R452 005 NRL MRL TSA 1090 4442 00 Littlefuse R452 005 NRL MRL FF10A 6104 9199 00 Littlefuse R452 010 NRL MRL 1411 4060 82 3 22 E 3 R amp S SMC100A Troubleshooting Troubleshooting RF Board module The tests listed below ensure that an assumed error on the RF Board module is not caused by a defective or incorrectly connected cable incorrect adjustment or another module A comprehensive test of the module is to run the internal selftest and the internal adjustments See chapters Troubleshooting with Internal Self Test see page 3 13 and Troubleshooting with Internal Adjustments see page 3 16 Supply Voltages The supply voltages of the RF Board are inspected via the test points located on the bottom side of the RF Board nearby the ribbon cable conne
122. reful to provide for sufficient mechanical and anti static protection 1411 4060 82 5 1 2 R amp S SMC100A Available Power Cables Table 5 1 List of power cables available Earthed contact connector Preferably used in DS 0006 7013 00 DS 0006 7020 00 DS 0006 7036 00 DS 0041 4752 00 DS 0041 6232 00 DS 0006 7107 00 DS 0025 2365 00 DS 0099 1456 00 1411 4060 82 BS1363 1967 10 A 250 V complying with 83 1975 standard B2 Type 12 10 A 250 V complying with SEV regulation 1011 1059 standard sheet S 24 507 Type 498 13 10 A 250 V complying with US regulation UL 498 or with IEC 83 GB2099 GB1002 10 A 250 V approvals CCC JIS C 8303 7A 125 V AC approvals PSE JET Type 5 10 A 250 V complying with AS C112 1964 Ap DIN 49 441 10 A 250 V angular DIN 49 441 10 A 250 V straight approvals VDE VE CEBEC KEMA S D N Fl LCIE UCIEE 9 2 Available Power Cables Great Britain Switzerland USA Canada Europe except Switzerland E 2 1411 4060 82 R amp S SMC100A Spare Parts List 9 3 ROHDE amp SCHWARZ E 1 F r diese Unterlage behalten wir uns alle Rechte vor Ausgedruckte Dokumente unterliegen nicht dem Anderungsdienst For this document all rights are reserved Printed documents are not subject to revision Pos Nr Menge ME El Kennz Benennung Bezeichnung Z Sachnummer Ersatzteil BA VH Quantity Unit Ref Des Design
123. ror is the deviation of the measured level from the set value gt Repeat this measurement at 13 dBm in level Mode OFF Sample amp Hold at 200 kHz 25 MHz 100 MHz 1 1 GHz 2 2 GHz and 3 2 GHZ 200 kHz 500 kHz 1 MHz 5 MHz 10 MHz 23 4375 MHz 25 MHz to 95 MHz in 10 MHz Steps 112 5 MHz to 3 2 GHz in 25 MHz Steps 1 21 E 3 Test Procedures Test method for low levels Test principle Test setup Measurement Recommended test frequencies 1411 4060 82 R amp S SMC100A Low levels can only be measured using a frequency selective measurement instrument Spectrum analyzers with digital IF are best suited for this measurement due to their low linearity error The absolute accuracy of these analyzers is not sufficient for this measurement So a relative measurement referred to the measurements performed with the power meter is used to increase the accuracy of the measurement Only by switching the input attenuator and preamplifier when available of the analyzer the needed dynamic range of more than 120 dB can be reached After switching the analyzer attenuator or preamplifier a continuity calibration is to be carried out It is therefore recommended to switch the attenuator not until reaching 50 dB under full scale since the linearity errors are very small in this range gt Connect the spectrum analyzer to the RF output of the DUT with hermetically sealed RF measurement cables Settings on DUT Frequency recommen
124. s RF power fed into the RF Board from outside the instrument To protect the R amp S SMC100A against damage a relay disconnects the RF output when excessive reverse power is detected In standby or power off mode this relay is also in off state to protect the RF output of the instrument against damage Supply voltage control and filtering The module supply voltages are filtered by means of passive filtering and additional active voltage regulators Linear regulators with very good noise and distortion suppression characteristics have been implemented based on operational amplifier circuitry Power Supply Module The power supply module provides all currents necessary for the operation of the signal generator It can be switched on and off by means of the power switch on the rear panel After switch on the instrument is either in standby or in operating mode depending on a value stored in an internal EEPROM The power supply works over a wide input voltage range from 100 V to 240 V 10 96 and AC supply frequencies form 50 Hz to 60 Hz x5 96 The power factor correction meets EN 61000 3 2 On the secondary side the power supply generates three DC voltages 75 0 V 13 25 V 13 25 V and one standby voltage 5 V all 5 96 The control signal POWER ON N controlled by the front panel controller depending on the operating key STBY on the front of the instrument frame switches the power supply from standby mode to operating mode In standb
125. se screw all the RF conductions with the Torque wrench and not with an ordinary open end wrench When you mount the cables ensure their correct position in the front unit 1411 4060 82 3 38 E 3 R amp S SMC100A Module Replacement Replacing the TFT Display A330 Encoder Board A310 Flex Switch Board Pushbutton Board Set the key frame and front corner plate It is recommended to replace the front unit as a whole Principally it is possible to replace the individual components of the front unit see drawing 1411 4802 01 LS SS S Qe 77 7 777727722 7 2 2 Removing the TFT Display A330 NOTICE The new Display 408 can be used only with the new front unit 1411 4802 02 and on Basis Board 1406 6700 04 with change index starting from 4 00 gt Removing the Front Unit 400 see page 3 35 Unscrew the five screws 407 to dismount the shielding plate 410 and remove the display 408 9 kHz 3 2 GHz 1411 4060 82 3 39 E 3 Module Replacement R amp S SMC100A Removing the flex switch Board the Pushbutton Set and the key frame Removing the Front Unit A300 400 see page 3 35 Remove the Knob 416 from the front side of the R amp S SMC100A 3 9 kHz 3 2 GHz gt Removing the TFT Display A330 see above gt Unscrew the five screws 406 an remove the key frame 405 the p
126. sin tener en cuenta las instrucciones del fabricante queda en la responsabilidad del usuario El fabricante no se hace en ninguna forma responsable de consecuencias a causa del mal uso del producto 1171 0000 42 08 Page 7 Instrucciones de seguridad elementales Se parte del uso correcto del producto para los fines definidos si el producto es utilizado conforme a las indicaciones de la correspondiente documentaci n del producto y dentro del margen de rendimiento definido ver hoja de datos documentaci n informaciones de seguridad que siguen El uso del producto hace necesarios conocimientos t cnicos y ciertos conocimientos del idioma ingl s Por eso se debe tener en cuenta que el producto solo pueda ser operado por personal especializado o personas instruidas en profundidad con las capacidades correspondientes Si fuera necesaria indumentaria de seguridad para el uso de productos de Rohde amp Schwarz encontrar a la informaci n debida en la documentaci n del producto en el cap tulo correspondiente Guarde bien las informaciones de seguridad elementales as como la documentaci n del producto y entr guelas a usuarios posteriores Tener en cuenta las informaciones de seguridad sirve para evitar en lo posible lesiones o da os por peligros de toda clase Por eso es imprescindible leer detalladamente y comprender por completo las siguientes informaciones de seguridad antes de usar el producto y respetarlas durante el uso del producto De
127. smallest modulation deviation Recommended settings LFinlogarithmic steps 3 steps per decade 1 2 5 from 10 Hz to 100 kHz Perform the measurement for test frequency 23 MHz Repeatthe measurement with changing the settings to PhiM Ext Coupling AC for test frequency 23 MHz gt Repeat the measurement with changing the settings to PhiM Ext Coupling AC for test frequencies 200 1 MHz 266 MHz 333 MHz 400 MHz LF sweep from 1 kHz to 100 kHz gt Repeat the measurement with changing the settings to PhiM Source Internal PhiM deviation 5 rad at test frequency 400 MHz LF sweep from 1 kHz to 100 kHz 1411 4060 82 1 39 E 3 Test Procedures Pulse Modulation ON OFF Ratio Test equipment Test setup Measurement RES SMC100A Spectrum analyzer Table 1 1 item 18 Pulse generator Table 1 1 item 13 To determine the ON OFF ratio connect the spectrum analyzer to the RF output socket of the DUT and let the PULSE EXT input open Setting on DUT RF On Level 0 dBm Frequency recommended test frequencies Pulse Modulation menu Source External State On Polarity Inverse oetting on Analyzer FREQ CENTER test frequency SPAN 0 Hz AMPT REF LEVEL 0 dBm BW gt RES BW MANUAL 3 kHz SWEEP gt SWEEP TIME MANUAL 100 ms MEAS gt TIME DOM POWER on Determine the output level of the DUT at the recommended test frequencies with Pulse Modulation gt Polarity Inverse and Pulse Modulation gt Polarity Normal
128. state Off S gt RF gt Automatic Level Control gt State gt 0FF Sample amp Hold frequencies 23 4 MHz 1100 MHz 110 Hz Example of Measurement IFB 200 kBz Marker 1 T1 38 504081726 Hz Ref 0 Hz Att 25 AQT 5 12 ms 1 33 7436 ms SGL 1 AP CLR TRG 1 Center 750 1 MHz 512 que Date 14 FEB 2008 18 58 23 The marker is set to the time when the trace enters the specified interval of 750 1 MHz 75 Hz The setting time is 1 34 ms 1411 4060 82 1 10 E 3 R amp S SMC100A Spectral Purity Harmonics Test equipment Test setup Measurement Recommended test frequencies and levels 1411 4060 82 Test Procedures Spectrum analyzer Table 1 1 item 18 gt Connect the spectrum analyzer to the RF output of the DUT gt Synchronize the reference frequencies of analyzer and DUT Settings on analyzer Reference level 20 dBm 10 dB div Span 0 Hz Resolution bandwidth 10 kHz Settings on DUT Frequency test frequencies unmodulated Level test levels First measure the level of the fundamental P at the test frequency f as a reference Then measure the signal levels and P3 at twice and three times the carrier frequency f gt The harmonic spacing is the measured harmonic level referred to the fundamental HD2 in dBc referred to the carrier Test frequencies 1 MHz 32 1 MHz 71 1 MHz 141 1 MHz 283 1 M
129. sult than is at least W Noise P Poise 504 10dB noise gt The difference between the possibly corrected power Phoise IN dBm and the power Pet in dBm is the broadband noise floor in dBc Recommended test frequencies 1 02 MHz 23 438 MHz 51 MHz 101 MHz 201 MHz 401 MHz 801 MHz 1100 MHz 1601 MHz 2200 MHz and 3200 MHz 1411 4060 82 1 15 E 3 Test Procedures R amp S SMC100A SSB Phase Noise The SSB phase noise of the DUT can be measured direct if a Phase Noise Test Set is available An R amp S FSUP or any other analyzer with phase noise option is suitable if its own phase noise is at least 6 dB less than the guaranteed DUT Phase noise in the data sheet Measurement Set the Level of the DUT to 0 dBm and measure the phase noise at 20 kHz offset with the analyzer in phase noise mode If no suited analyzer is available the Phase noise can be measured with the aid of a second generator and a mixer Test assembly See section Test Assembly for SSB Phase Noise and Jitter page 1 4 Test method The two generators are set to the test frequency and synchronized with a phase offset of 90 phase quadrature Mixing to 0 Hz suppresses the RF carrier Due to the phase quadrature the mixer supplies a voltage representing the phase difference between the input signals This voltage is measured with the spectrum analyzer Measurement gt Setthe levels of the two generators in accordance with the speci fications of
130. t Sheet de en 06 00 1 of 1 Dokument Nr Document No 1411 4348 01 ST F r diese Unterlage behalten wir uns alle Rechte vor Ausgedruckte Dokumente unterliegen nicht dem Anderungsdienst For this document all rights are reserved Printed documents are not subject to revision Pos Nr Menge ME El Kennz Benennung Bezeichnung Z Sachnummer Ersatzteil BA VH ltemNo Quantity Unit Ref Des Designation Stock No Subst part ACHTUNG EGB ATTENTION ESD VARIANTENERKLAERUNG EXPLANATION OF MODELS VARO2 GRUNDVARIANTE MODO2 BASIC MODEL ZS ERSATZTEILLISTE VORHANDEN SPARE PARTS LIST AVAIL Beachte Note 1411 4031 01 ST ZN MONTAGEWANNE SMC MOUNTING THROUGH SF SCHALTFOLIE SMC FLEX SWITCH BOARD SMC SF SCHALTMATTE SMC RUBBER KEYPAD SMC MM TASTATURRAHMEN SMC KEY FRAME VS 965 ISR M2X5 A4 PA 965 ISR M2X5 A4 PA VS 965 ISR M2X8 A4 965 ISR M2X8 A4 ND TFT 3 5 QVGA DRGB LED 180MM KABEL TFT 3 5 QVGA DRGB LED 180MM EK KONTAKTFEDER CONTACT SPRING ZN SCHIRMBLECH SHIELDING ED ENCODER BOARD ENCODER BOARD VS 6900 ISR M2 5X6 A2 COMBI SCREW 6900 ISR M2 5X6 A2 DF FLEX STRIP 10P R 0 5 FLEX STRIP DW FRONTANSCHLUSSPLATTE FRONT CONNECTOR PLATE OK DREHKNOPF RD20 KNOB Benennung Designation FRONTEINHEIT SMC NEUES DISPLAY ROHDE amp SCHWARZ FRONT UNIT SMC Datum Date Abt 2013 03 15 Abt 1ZKS Name Name El 0999 9684 00 1411 4825 00 1411 4848 00 1411 4654 00 1411 48
131. tarse como residuos especiales Respete en esta relaci n las normas nacionales de eliminaci n y reciclaje Transporte 1 El producto puede tener un peso elevado Por eso es necesario desplazarlo o transportarlo con precauci n y si es necesario usando un sistema de elevaci n adecuado p ej una carretilla elevadora a fin de evitar lesiones en la espalda u otros da os personales 1171 0000 42 08 Page 13 Instrucciones de seguridad elementales Las asas instaladas en los productos sirven solamente de ayuda para el transporte del producto por personas Por eso no est permitido utilizar las asas para la sujeci n en o sobre medios de transporte como p ej gr as carretillas elevadoras de horquilla carros etc Es responsabilidad suya fijar los productos de manera segura a los medios de transporte o elevaci n Para evitar da os personales o da os en el producto siga las instrucciones de seguridad del fabricante del medio de transporte o elevaci n utilizado Si se utiliza el producto dentro de un veh culo recae de manera exclusiva en el conductor la responsabilidad de conducir el veh culo de manera segura y adecuada El fabricante no asumir ninguna responsabilidad por accidentes o colisiones No utilice nunca el producto dentro de un veh culo en movimiento si esto pudiera distraer al conductor Asegure el producto dentro del veh culo debidamente para evitar en caso de un accidente lesiones u otra clase de da os Elimin
132. tely Wrist strap with cord to ground connection Conductive floor mat and heel strap combination Wrist strap with cord Building ground Ground connection of operational site Heel strap Floor mat 1411 4060 82 3 32 E 3 R amp S SMC100A Module Replacement Dismounting the tube Putthe instrument on the protective front corners Unscrew the four screws of the 2 protective rear corners rear right 550 and rear left 540 on both sides and take them off gt Pull off the tube R amp S SMC100A 510 When mounting the tube take care not to damage or pull off cables E 540 510 Front comer Front comer Mounting the tube gt Put the instrument on the protective front corners gt Pull on the tube R amp S SMC100A 510 gt Put the two protective rear corners rear right 550 and rear left 540 on the R amp S SMC100A and screw it with the four screws When mounting the case take care not to damage or pull off cables 1411 4060 82 3 33 E 3 Module Replacement R amp S SMC100A Replacing Fuse NOTICE Risk of damage to the instrument Ensure that the power supply cord is disconnected If you are not using the supplied spares be sure to use fuses of the same type and rating Switch off the instrument Disconnect the power supply cord Toreplace a fuse unscrew the fuse holder at the rear panel of the instrument
133. the mixer used For the MITEQ DBO0118 mixer set the LO level to 10 dBm and the RF level to 0 dBm Settings of the DUT PM int PM deviation 0 01 rad Modulation frequency 19 kHz Settings on the analyzer Center frequency 19 5 kHz Span 2 kHz Input coupling DC Attenuator manual 0 dB average on count 10 average mode linear power Filter Type FFT Resolution Bandwidth 10 Hz set marker to 19 kHz set delta marker to 20 kHz Adjust the phase of the DUT for phase quadrature oet the Delta Phase in the Frequency Phase menu for maximum marker readout at 19 kHz in the Delta Phase range of 0 to 180 Note down the relative Delta marker level D Calculate the SSB phase noise in dbc Hz The Delta Marker measures the noise in 10 Hz bandwidth The power in 1 Hz bandwidth is one tenth of this power log10 10 The PM with a modulation rate of 0 01 rad is equivalent to a phase noise of 46 dBc In baseband the two sidebands fall on each other 6dB he phase noises of the two generators add together 3dB if they are of the same type If the reference generator is of the same type as the DUT PN D 10 log10 10 46 dB 3 dB PN 59 dB If the phase noise of the reference generator is at least 10 dB better than the phase noise of the DUT PN D log10 10 46 dB PN D 56 dB Recommended test 1 GHz RFmax frequencies 1411 4060 82 1 16 E 3 R amp S SMC100A
134. tor oettings on DUT frequency test frequency Level 0 dBm determine Att fixed range upper Level Pupper gt RF gt Level Att fixed range gt upper set level to Pupper 0 1 dB oettings on analyzer center test frequency reference level Pupper 1 dB Attenuator Dii Pupper SAB gt round to next larger available Attenuation of the analyzer Piggy analyzer P1dB level at test frequency span 110 kHz Detector RMS Sweep Time Manual 1s switch on channel power measurement with 100 kHz bandwidth Determine the channel power with the center frequency of the analyzer set to the test frequency and note it down as Increase the analyzer center frequency by 9 9 MHz Inhibit the switching of the attenuator with AMPT RF ATTEN MANUAL without entering a value so that the input mixer is not overdriven Lower the reference level of the analyzer by 20 dB read the new channel power Phoise Minimize the output level on the DUT by means of RF OFF read the channel power Pires R amp S SMC100A Test Procedures Evaluation fthe power us lt Paige 0 41 dB the inherent noise power of the analyzer can be subtracted W Noise P 10 log10 10 10 1 50dB gt If the power Pres E Proise 0 41 dB the analyzer resolution is not sufficient for a precise measurement The true result is in such case certainly more than 10 dB below the measured value The re
135. tself is not permitted Doing so can result in the danger of an electric shock from the product If extension cords or connector strips are implemented they must be checked on a regular basis to ensure that they are safe to use 4 Ifthere is no power switch for disconnecting the product from the mains or if the power switch is not suitable for this purpose use the plug of the connecting cable to disconnect the product from the mains such cases always ensure that the power plug is easily reachable and accessible at all times For example if the power plug is the disconnecting device the length of the connecting cable must not exceed 3 m Functional or electronic switches are not suitable for providing disconnection from the AC supply network If products without power switches are integrated into racks or systems the disconnecting device must be provided at the system level 5 Never use the product if the power cable is damaged Check the power cables on a regular basis to ensure that they are in proper operating condition By taking appropriate safety measures and carefully laying the power cable ensure that the cable cannot be damaged and that no one can be hurt by for example tripping over the cable or suffering an electric shock 1171 0000 42 08 Page 3 10 11 12 13 14 15 16 17 18 Basic Safety Instructions The product may be operated only from TN TT supply networks fuse protected with max 16
136. um cells must be handled in accordance with the EN 62133 standard 1 2 Cells must not be taken apart or crushed Cells or batteries must not be exposed to heat or fire Storage in direct sunlight must be avoided Keep cells and batteries clean and dry Clean soiled connectors using a dry clean cloth Cells or batteries must not be short circuited Cells or batteries must not be stored in a box or in a drawer where they can short circuit each other or where they can be short circuited by other conductive materials Cells and batteries must not be removed from their original packaging until they are ready to be used Cells and batteries must not be exposed to any mechanical shocks that are stronger than permitted If a cell develops a leak the fluid must not be allowed to come into contact with the skin or eyes If contact occurs wash the affected area with plenty of water and seek medical aid Improperly replacing or charging cells or batteries that contain alkaline electrolytes e g lithium cells can cause explosions Replace cells or batteries only with the matching Rohde amp Schwarz type see parts list in order to ensure the safety of the product Cells and batteries must be recycled and kept separate from residual waste Rechargeable batteries and normal batteries that contain lead mercury or cadmium are hazardous waste Observe the national regulations regarding waste disposal and recycling Transport 1 The product
137. unto 1 1171 0000 42 08 Page 8 Instrucciones de seguridad elementales Significado Significado Aviso Cuidado en el manejo de dispositivos Distintivo de la UE para la eliminaci n por sensibles a la electrost tica ESD separado de dispositivos el ctricos y electr nicos M s informaci n en la secci n Eliminaci n protecci n del medio ambiente punto 2 Advertencia rayo l ser M s informaci n en la secci n Funcionamiento punto 7 Palabras de se al y su significado En la documentaci n del producto se utilizan las siguientes palabras de se al con el fin de advertir contra riesgos y peligros PELIGRO Indica una situaci n de peligro que si no se evita causa lesiones graves o incluso la muerte Indica una situaci n de peligro que si no se evita puede causar lesiones graves o incluso la muerte lesiones leves o moderadas Indica informaci n que se considera importante pero no en relaci n con situaciones de peligro p ej avisos sobre posibles da os materiales En la documentaci n del producto se emplea de forma sin nima el t rmino CUIDADO ATENCI N Indica una situaci n de peligro que si no se evita puede causar Las palabras de se al corresponden a la definici n habitual para aplicaciones civiles en el rea econ mica europea Pueden existir definiciones diferentes a esta definici n en otras reas econ micas o en aplicaciones militares Por eso se debe
138. ush button board R amp S SMC100A 404 and the flex switch board 403 1411 4060 82 3 40 E 3 R amp S SMC100A Module Replacement Removing the Encoder Board A310 Removing the Front Unit A300 400 see page 3 35 Remove the Knob 416 from the front side of the R amp S SMC100A 416 o 2008 y 3 i i DE IM C oo 9 OLD Unscrew the two screws 412 and remove the encoder board A310 411 412 411 Removing the front corner plate gt Dismounting the tube see page 3 33 Removing the Front Unit A300 400 see page 3 35 Unscrew the four screws 406 and remove the front corner plate 414 forwards DD 9 kHz 3 2 GHz 1411 4060 82 3 41 E 3 R amp S SMC100A Module Replacement Install the Flex switch Board the Pushbutton Set the key frame and the TFT Display A330 gt Move the key frame 405 the push button board R amp S SMC100A 404 the flex switch board 403 back and screw them with the five screws 406 Put the flex switch board cable in the slot of the mounting through 402 after the components 403 404 and 405 are mounted and screwed with the five screws 406 NOTICE UX E 3 3 42 1411 4060 82 R amp S SMC100A Module Replacement Place the TFT display 408 and the shielding plate 410 in the mounting through 402 and screw the five screws
139. ut signal frequency is controlled with a frequency counter to follow this variation Preparation of measurement Connect the signal generator RF output to the REF IN input for the external reference on rear panel of the DUT Connect a calibrated frequency counter to the RF output Synchronize the signal generator and the frequency counter Setting on DUT RF on Level 0 dBm suitable level for the frequency counter Frequency 1 GHz Setup e Reference Oscillator gt Source External Setting on signal generator RF on Level 0 dBm Measurement gt Set the signal generator frequency to 9 99997 MHz 10 0003 MHz Measure the output frequency of the DUT Signal generator frequency 9 99997 MHz 10 0003 MHz DUT frequency 999 997 MHz 1000 03 MHz There must be no relative frequency error and no error message in the display of the DUT 1411 4060 82 1 8 E 3 R amp S SMC100A Frequency Frequency Setting Test method Measurement Test Procedures The frequency setting is checked by running the internal synthesizer adjustments to check the frequency overlap of the VCOs gt Run Setup gt Internal Adjustments gt Adjust Synthesis There must be no error message Setting Time only for Option R amp S SMC K4 Test assembly Test method Preparation of measurement 1411 4060 82 See section Test Assembly for Setting Time page 1 5 For measuring after IEC IEEE bus delimiter the EOl
140. vice center 2 Waste electrical and electronic equipment must not be disposed of with unsorted municipal waste but must be collected separately Rohde amp Schwarz GmbH amp Co KG has developed a disposal concept and takes full responsibility for take back obligations and disposal obligations for manufacturers within the EU Contact your Rohde amp Schwarz customer service center for environmentally responsible disposal of the product 3 If products or their components are mechanically and or thermally processed in a manner that goes beyond their intended use hazardous substances heavy metal dust such as lead beryllium nickel may be released For this reason the product may only be disassembled by specially trained personnel Improper disassembly may be hazardous to your health National waste disposal regulations must be observed 4 f handling the product releases hazardous substances or fuels that must be disposed of in a special way e g coolants or engine oils that must be replenished regularly the safety instructions of the manufacturer of the hazardous substances or fuels and the applicable regional waste disposal regulations must be observed Also observe the relevant safety instructions in the product documentation The improper disposal of hazardous substances or fuels can cause health problems and lead to environmental damage For additional information about environmental protection visit the Rohde amp Schwarz website
141. y operation it only supplies a 5 V standby to supply the front panel controller and the STBY LED on the front panel The secondary voltages are open circuit proof and short circuit proof with respect to ground and each other The power inlet module contains two fuses Replace these fuses only with type and rating specified on the rear panel If the replaced fuse blows again change the module Further fuses are fitted on the Basis Board as a means of fire protection Basis Board The Basis Board of the signal generator involves the following components and modules Fuses Each supply voltage is fused with one or several fuses on the Basis Board 1411 4060 82 3 5 E 3 Instrument Design and Function Description R amp S SMC100A Switching regulators owitching regulators for 1 2 V 1 8 V 3 3 V 7 V and 28 V supply voltages These supply voltages are generated by means of switching regulators Controller Central Controller of the R amp S SMC100A including all memory devices and external interfaces FPGA SMB COM This FPGA performs data processing for the serial bus which sends setting data to the modules The SMB is configured via an SPI Interface of the processor The Display Controller and timer functions are also implemented in the SMB COM Keyboard Controller The keyboard controller notifies the processor about keyboard and spin wheel events The keyboard controller switches on or off the power supply module and m
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