R&S®ESCI7 EMI Test Receiver Compliance measure
Contents
1. Saving time through simultaneous measurement with different detectors 1 Clear identification of measurement traces in the diagram 1 Quick overview of results through assignment of limit lines i treat ia my 2 a i p Fala STOP FREQUE HCY i i All measurement data up to 1 million measurement points per trace is saved in the internal memory and can be exported in ASCII format The displayed frequency range is traced back to real measured values even when the display is highly zoomed e g during subsequent de tailed analysis work Due to the large number of measure ment points the R amp S ESCI7 in receiver mode delivers high frequency resolution and high accuracy for the distur bance frequency even with scans covering wide frequency ranges This is a major benefit compared to the spectrum analyzer which has a significantly lower number of sweep points In receiver mode the R amp S ESCI7 is tuned in fixed frequency steps in line with the settings in the SCAN table The SCAN table can be programmed for a maximum of ten frequency subranges with independent parameter settings e g start stop frequency step size measurement time resolution bandwidth input attenuation Each time a scan is launched by entering a START and STOP frequency the parameters that are preset in the SCAN table are loaded automatically This always ensures reproducible and standard compliant measurements Menu for selecting2. amp Schwarz GmbH amp Co KG Trade names are trademarks of the owners Printed in Germany ch PD 5214 2762 12 Version 01 00 August 2009 R amp S ESCI7 Data without tolerance limits is not binding Subject to change 0 14 min within German wireline network rates may vary in other networks wireline and mobile and countries About Rohde amp Schwarz Service you can rely on Rohde amp Schwarz is an independent group of companies 1 Wor specializing in electronics It is a leading supplier of solu A po n tions in the fields of test and measurement broadcasting i r 2 radiomonitoring and radiolocation as well as secure com 1 Long term dependability munications Established 75 years ago Rohde amp Schwarz has a global presence and a dedicated service network in over 70 countries Company headquarters are in Munich Germany Environmental commitment 1 Energy efficient products 1 Continuous improvement in environmental sustainability 1 ISO 14001 certified environmental management system Certified Quality System ISO 9001 Rohde amp Schwarz GmbH amp Co KG www rohde schwarz com Regional contact 1 Europe Africa Middle East 49 1805 12 42 42 or 49 89 4129 137 74 customersupport rohde schwarz com
3. and marker functions for precise measurements In parallel to the numeric display after weighting with up to three different detectors the R amp S ESCI7 presents the measured values using a bargraph display This allows the user to rapidly recognize the influence of changes on the device under test Even in case of changes of the receive frequency the bargraph will track the signal without inter ruption making it easier to search for the highest signal level The receiver also records the highest level MAX HOLD and the associated frequency which provides use ful support to the user when searching for the highest am plitude disturbance with fluctuating or drifting signals At a keystroke ADD TO PEAK LIST the R amp S ESCI7 transfers the measured frequency directly to a separate frequency list and saves it for subsequent final measurements The R amp S ESCI7 supports the evaluation of the displayed measurement trace s by means of marker functions e g for fast and reliable determination of frequencies and rela tive levels The CENTER MARKER FREQUENCY and MARKER TRACK functions are also useful The first func tion sets the receiver frequency at a keystroke such that the signal to be measured is exactly at the center frequen cy When MARKER TRACK is activated the receive fre quency automatically follows the marker on the trace This allows the user to tune the R amp S ESCI quickly and pre cisely to the Individual disturbanc
4. bance measurements during development R amp S EMC32 is a modular test software that supports manual as well as partially or fully automated EMC measurements in line with commercial and military standards It ensures reliable recording evaluation documentation and traceability of measurement results Always up to date with free firmware updates The R amp S ESCI7 firmware is easy to update using a USB memory stick or the LAN interface Firmware updates are available free of charge from the Rohde amp Schwarz website Hugged and environmentally friendly suitable even for field applications Rear panel of the R amp S ESCI7 Housing option for outdoor use The R amp S ESCI7 is also available in a rugged housing with shock absorbing corners and a carrying handle for outdoor use R amp S FSP B1 option AC independent operation using DC power supply and battery pack option The R amp S FSP B380 DC power supply option allows operation from DC sources between 12 V and 28 V Using the R amp S FSP B31 battery pack the receiver can record measurement sequences continuously for several hours during applications in the field The time can be ex tended as required using additional battery packs Flash disk option for expanded environmental specifications A hard drive is normally used to save data in the R amp S ESCI7 For applications with above average fluctua tions of the operating temperature 0 C to 55 C or whe
5. disturbance analysis and for documentation purposes EMI test receiver and spectrum analyzer in a single box display in MIXED MODE operation The R amp S ESCI7 combines an EMI test receiver and a Spectrum analyzer in a single instrument The benefits of the analyzer mode are mostly related to disturbance measurements performed in product development with fast sweeps for overview and preview measurements and evaluation using marker functions The user can choose between standard compliant CISPR bandwidths includ ing 1 MHz impulse bandwidth and 3 dB resolution band widths 10 Hz to 3 MHz For this purpose preselection filters and a preamplifier can be activated in the analyzer mode This is a significant advantage compared to a pure broadband spectrum analyzer Operation as a clas sic EMI test receiver however provides sophisticated data reduction and standard compliant final measurements In MIXED MODE the R amp S ESCI7 offers both operating modes in a split screen presentation A large number of the operating parameters can be either coupled or decoupled for the two operating modes Set ting the same center frequency for both screens for ex ample automatically produces the same display as in IF analysis The object is to obtain a spectral display of the RF input signal around the receive frequency within a se lectable range Ideally this display is output in parallel to a numeric measurement at the current receive fre
6. standard compliant receiver settings The receiver then continues the preview measurement with the next frequency step As soon as the limit value is exceeded again the next final measurement is per formed This technique has a significant benefit The final measurement e g with quasi peak weighting immediate ly takes place when a critical disturbance level is detected during the preview measurement This eliminates the risk of measurement errors due to frequency drift of the distur bance signals The receiver saves the final measurement results in a separate table peak list for subsequent evalu ation and documentation All parameters for the final measurement at the critical frequencies can be configured in a submenu The final measurement frequencies are deter mined either for the absolute peaks or as subrange maxima The relative magnitude of a disturbance level its offset from the limit value margin and the maximum number 1 to 500 can all be set The final measurement is performed either fully automatically or interactively An automatic test sequence consists of preview measurement data reduction and final measurement The maximum disturbances and their offset from the set limit value are automatically determined This speeds up the measurement and simplifies data evaluation The final measure ment frequencies determined in this manner are saved by the R amp S ESCI7 in a separate editable table PEAK LIST for subsequent
7. the weighting detectors the values for a maximum of three different detectors are simultaneously displayed numerically and as an analog bargraph Rohde amp Schwarz R amp S ESCI7 EMI Test Receiver 7 Fast reliable measurements using automatic and interactive test routines Disturbance measurements become faster and simpler by combining a fast preview measurement with peak and average detector and a final measurement exclusively on the automatically determined critical frequencies data reduction The R amp S ESCI7 provides common limits from commercial product standards and compares them with the result of the preview measurement It then determines the critical disturbance frequencies and lists them in a table peak list which can be manually edited prior to performing the final measurement with a standard compliant measurement time and CISPR detector s This is a way of interactively adding additional frequencies or deleting existing ones Boece n a w a raced i z I Tn 1 A ec ae T a ii i 1 pa E 23 cnt Reese nt F222222 05 BEB RTR Fit fo eee A ee EN ee Pb Bt IY ee 2622 He i 1 Bea For disturbance signals that drift in frequency the R amp S ESCI7 provides a specially modified automatic test sequence called THRESHOLD SCAN The receiver inter rupts the preview measurement as soon as a selectable limit value is exceeded and immediately performs a final measurement using
8. R amp S ESCI EMI Test Receiver Compliance measure ments in line with commercial standards up to 7 GHz ROHDE amp SCHWARZ ment Test amp Measure Product Brochure 01 00 R amp S ESCI EMI Test Receiver At a glance The R amp S ESCI7 EMI test receiver is a standard com pliant measuring receiver for EMC certification mea surements in line with commercial standards in the frequency range from 9 kHz to 7 GHz The receiver conforms to the latest version of the CISPR 16 1 1 basic standard At the same time It functions as a full featured and powerful spectrum analyzer for lab applications In line with the latest version of commercial EMC stan dards the R amp S ESCI7 EMI test receiver measures and analyzes electromagnetic disturbances produced by devices modules and components in the frequency range from 9 kHz to 7 GHz It fulfills the requirements of the cur rent CISPR 16 1 1 basic standard including the average detector with meter time constant CISPR average and the RMS average detector amp ROHDEASCHWARZ ESG EM TEST RECEIVER Sheer 7 GHz Time saving automatic test routines considerably reduce the required effort Effective analysis capabilities clear pre sentation of results and straightforward intuitive operation provide support to users In product development or type approval testing for example In addition the R amp S ESCI7 can be used as a high quality spectrum ana
9. controllable line impedance stabilization networks LISN from Rohde amp Schwarz Disturbance voltage measurements on power lines are made using line impedance stabilization networks For this application Rohde amp Schwarz offers the R amp S ENV216 two line V network and the R amp S ESH2 Z5 and R amp S ENV4200 four line V networks The R amp S ESCI7 automatically switch es the different phases of this LISN using an optional con trol cable This ensures that the largest disturbance is actu ally measured Predefined transducer factors For disturbance measurements using test antennas for example the R amp S ESCI7 includes a selection of typical an tenna factors transducers Users can also create and save their own correction tables for antennas cable losses preamplifiers etc The R amp S ESCI7 automatically takes into account all activated correction factors in the measured values and selects the appropriate unit Library of limit lines for commercial standards In addition to the transducer factors the R amp S ESCI7 also includes a selection of important limits LIMIT LINES in line with commercial standards Users can enter and save changes to the limit lines and create new limit lines using a tabular format R amp S ENV216 two line V network LISN Rohde amp Schwarz R amp S ESCI7 EMI Test Receiver 11 Integrates perfectly into the work environment Easy expansion or upgrading by means of options Scala
10. e maxima In sequence e g with a simple keystroke NEXT PEAK Time domain analysis oscilloscope function in receiver mode The duration of the preview measurement Is significantly influenced by the measurement time per frequency step To reliably measure an impulsive disturbance for example the dwell time per frequency step must be set at least as large as the reciprocal of its pulse repetition frequency PRF An impulsive disturbance with a PRF of 100 Hz for example requires a measurement time of at least 10 ms The R amp S ESCI7 features a very useful tool for optimiz ing this dwell time time domain analysis The user can perform a scan in the time domain on the set receive fre quency similar to the zero span provided by spectrum analyzers to assess the timing behavior of disturbances comparable to using an oscilloscope In this manner the user can determine the pulse rate of a broadband intermit tent disturbance so as to be able to set the optimum mea surement time e as short as possible but as long as nec essary The user can also determine whether and to what extent a narrowband disturbance signal is fluctuating and whether it is amplitude modulated or pulsed Click rate analysis is a special application Thermostatic or program controlled electrical appliances such as wash Ing machines and air conditioners generate discontinu ous disturbances Due to the aperiodic timing CISPR 14 and EN 55014 stipu
11. included 1 Extensive measurement functions and evaluation capabilities for general lab applications gt page 5 Intuitive operation and powerful EMI analysis functions for fast accurate results 1 User friendly operation as with all EMI test receivers from Rohde amp Schwarz 1 SCAN settings in tabular format 1 Simultaneous measurement of multiple traces for parallel evaluation 1 Fast reliable measurements using automatic and interactive test routines 1 EMI test receiver and spectrum analyzer in a single box display in MIXED MODE operation 1 Continuous bargraph display and marker functions for precise measurements 1 Time domain analysis oscilloscope function in receiver mode 1 Automatic disturbance voltage measurements using remote controllable line impedance stabilization networks LISN from Rohde amp Schwarz 1 Predefined transducer factors 1 Library of limit lines for commercial standards gt page 6 Integrates perfectly into the work environment 1 Easy expansion or upgrading by means of options Scalar network analysis RF level measurement Modulation measurement 1 Extensive documentation and networking capabilities like a PC 1 Computer controlled measurement of disturbances and automated EMI test routines using the R amp S ES SCAN and R amp S EMC32 EMI measurement software 1 Always up to date with free firmware updates gt page 12 Rugged and environmentally friendly suitable even for field ap
12. large number of additional functions for analyzing disturbances All important parameters are easy to read off on the 8 4 21 cm TFT color display The current parameter set tings are always clear at a glance Vertical and horizontal softkey bars help the user to perform complex measure ment tasks Dedicated hardkeys with unit keys are provid ed for entering values such as frequency and amplitude SCAN settings in tabular format In receiver mode the SCAN table provides the basis for disturbance measurements in the frequency domain The parameters are presented in a clear tabular format and can be individually adapted to the measurement and the de vice under test The SCAN table can be saved and printed allowing the user to easily keep track of how the measure ment results were produced Menu for selecting the main receiver settings receiver mode In the upper window the SPLIT SCREEN display shows the continuously updated level values for the select ed detectors max three simultaneously and the set mea surement frequency The lower window shows the mea sured emission spectrum using the SCAN table settings Up to three traces with a maximum of 1 million measurement points each can be simultaneously active Simultaneous measurement of multiple traces for parallel evaluation The R amp S ESCI7 can weight up to three measurement traces using different detectors and present them in a diagram The benefits are as follows
13. late higher disturbance voltage limits for such click type disturbances than for continuous The R amp S ESCI7 allows precise evaluation of all measurement traces using marker and zoom functions The MARKER TRACK and TUNE TO MARKER functions link the frequency tuning and numeric level measurement to the marker position on the trace Final measurements at the critical frequencies determined in this way can be performed more quickly and easily disturbances If the user wants to apply these limits it Is necessary to measure the length in time of the clicks their repetition rate click rate and their levels in order to then use these values to determine the applicable limits Clicks are normally measured using special click rate analyzers The time domain analysis capability integrated into the R amp S ESCI7 can consecutively determine the pulse height and duration at each of the frequencies stipulated in the standard and thus reproduce the functionality of an expensive click rate analyzer The R amp S ESCI7 fulfills CISPR 16 1 1 in terms of the accuracy of the pulse dura tion measurement for pulse durations equal to 10 ms With a capacity of 1 44 million measured values in the time domain it has sufficient memory to continuously record the peak value and quasi peak value for at least two hours A PC based software is available for evaluation In line with CISPR 14 1 EN 55014 1 Automatic disturbance voltage measurements using remote
14. lyzer Diverse test functions for general mea surements encountered in the lab extend the instrument s range of applications beyond pure disturbance measure ments to provide additional benefit Key facts 1 Combination of standard compliant EMI test receiver and high quality spectrum analyzer 1 Integrated preselection with selectable 20 dB preamplifier 1 Frequency range from 9 kHz to 7 GHz usable for all commercial EMC standards 1 Effective analysis of the disturbance spectrum through simultaneous graphical presentation of the distur bance level and emission spectrum around the receive frequency 1 Time domain analysis for evaluation of timing behavior of disturbances e g click rate analysis 1 Automatic consideration of coupling devices such as line Impedance stabilization networks probes cables and antennas using transducer factors and sets EEN OUTPUT SEL we PE R amp S ESCI EMI Test Receiver Benefits and key features Standard compliant disturbance measurements Characteristics Total measurement uncertainty 1 0 dB lt 3 GHz and 1 5 dB 3 GHz to 7 GHz 1 dB compression 5 dBm Displayed average noise level with preamplifier typ 153 dBm 10 Hz Twelve preselection filters up to 7 GHz Resolution bandwidths in line with CISPR 16 1 1 Detectors max min peak quasi peak average CISPR average RMS RMS average gt page 4 Spectrum analysis for lab applications 1 High quality spectrum analyzer
15. n the Instrument is subjected to strong shocks and vibrations e g in a vehicle the user can order an internal flash disk R amp S ESCI B20 option instead of the internal hard disk Rohde amp Schwarz R amp S ESCI7 EMI Test Receiver 13 specifications in brief Base unit Frequency range Frequency resolution Frequency accuracy External reference frequency Measurement time Resolution bandwidth Video bandwidth Preselection Preamplifier Level Max RF level CVV Max pulse energy Max pulse voltage Third order intercept IP3 1 dB compression Total measurement uncertainty Displayed average noise level DANL Detectors Number of measurement points standard with R amp S FSP B4 OCXO option receiver mode scan per frequency step analyzer mode sweep time analyzer mode 3 dB receiver mode EMI analyzer mode can be turned off in analyzer mode can be switched on off input attenuation 10 dB input attenuation 10 dB 10 us input attenuation 10 dB 10 us without preselection preamplifier from 200 MHz to 3 GHz with preselection without preamplifier from 200 MHz to 3 GHz f gt 200 MHz input attenuation O dB without preselection preamplifier 95 confidence level lt 3 GHz without preselection preamplifier with preselection preamplifier 3 GHz to 7 GHz without preselection preamplifier with preselection preamplifier receiver mode nominal input attenuati
16. n required 2 R amp S FSP B1 and R amp S FSP B30 options required 3 R amp S FSP B31 option required R amp S FSP B1 R amp S FSP B4 R amp S FSP B6 R amp S bor oo R amp S FSP B10 rises IPS IPe 3 I6 R amp S ESCI B20 R amp S mor bow R amp S FSP B31 ROS hor po2 R amp S FS K3 R amp S FS K7 R amp S ZZA478 R amp S ZZT473 Rows eslr S42 R amp S EZ 13 R amp S EZ 14 R amp S EZ 21 RES PCR R amp S PCK R amp S ES SCAN Reo EMCS2 EB R amp S EMC32 K10 R amp S EMC32 K11 R amp S ROZESCIV R amp S ROSESCI7 fas MOSESC 7 R amp s COZESCI7 piers COSE CI R amp S COSESCI7 R amp S DCV 2 Rao ESCl DKD 1166 5950 07 1129 7998 02 1129 6740 02 1129 8594 02 1129 6991 02 1129 7246 03 1129 8042 03 1155 1606 14 m5 11658 02 1155 1258 02 11555150602 1057 3028 02 1141 1796 02 1096 3248 00 1109 5048 00 0357 8810 54 1026 5293 02 1026 5341 02 1107 2087 03 0292 2013 10 0292 2013 20 1308 9270 02 1300 7010 02 1117 6840 02 1117 6862 02 1166 9950 520 1166 5950 522 1166 5950 524 1166 5950 525 1160 9950 5271 1166 5990 5233 0240 2193 09 1161 2646 07 Rohde amp Schwarz R amp S ESCI7 EMI Test Receiver 15 North America 1 888 TEST RSA 1 888 837 87 72 customer support rsa rohde schwarz com Latin America 1 410910 79 88 customersupport la rohde schwarz com Asia Pacific 65 65 13 04 88 customersupport asia rohde schwarz com R amp S is a registered trademark of Rohde
17. on O dB termination 50 Q without preamplifier 1 MHz BW 9 kHz without preamplifier 30 MHz to 1 GHz BW 120 kHz with preamplifier 1 MHz BW 9 kHz with preamplifier 30 MHz to 1 GHz BW 120 kHz receiver mode analyzer mode receiver mode 9 kHz to 7 GHz 0 01 Hz 1 x 102 1x 107 10 MHz selectable from 33 us to 100 s selectable from 2 5 ms to 16000 s zero span from 1 us to 16000 s 10 Hz to 3 MHz in steps of 1 3 10 200 Hz 9 kHz 120 kHz 6 dB 1 MHz impulse bandwidth 1 Hz to 10 MHz in steps of 1 3 10 12 fixed continuously tunable filters 20 dB gain 30 dBm 1 W 1 mWs 150 V gt dBm typ 10 dBm gt 2 dBm typ 5 dBm b dBm nominal 0 5 dB 1 0 dB CoaB 1 5 dB lt 4 dBuV lt 6 dBuV lt 14 dBuV lt 4 dBuV max min peak quasi peak RMS average aver age with meter time constant CISPR average RMS average CISPR RMS 125 to 8001 default 501 max 1 million frequency domain max 1 44 million time domain The data sheet with complete technical specifications is available at PD 0758 1558 22 and www rohde schwarz com 14 Ordering information Base unit EMI Test Receiver 9 kHz to 7 GHz Accessories supplied R amp S ESCI7 Power cable Tuchel adapter for probe connector operating manual service manual Options Rugged Case with carrying handle OCXO Reference Frequency TV Trigger RF Power Trigger Tracking Generator I O Modulat
18. or External Generator Control LAN Interface 100BaseT Expanded Environmental Specifications flash disk DC Power Supply Battery Pack with charging unit Spare Battery Pack NiMH Noise Measurement Software FM Measurement Demodulator Recommended extras 19 Rack Adapter not with R amp S FSP B1 Carrying Case gray Pulse Limiter O Hz to 30 MHz Control Cable for R amp S ESH2 Z5 V network length 2 m Control Cable for R amp S ESH3 Z5 V network length 2 m Control Cable for R amp S ENV216 R amp S ENV4200 V network length 3 m IEC IEEE Bus Cable length 1 m IEC IEEE Bus Cable length 2 m EMC measurement software EMI Precompliance Software for R amp S ESPI R amp S ESCI R amp S ESL EMI test receivers and R amp S FSP R amp S FSL analyzers VISA software interface from National Instruments required EMI Measurement Software basic version for commercial and military standards with hardlock copy protection EMI Auto Test Option for R amp S EMC32 EB Sequencer for EMC measurements Service options One Year Repair Service following the warranty period Two Year Repair Service following the warranty period Four Year Repair Service following the warranty period Two Year Calibration Service Three Year Calibration Service Five Year Calibration Service Documentation of Calibration Values of the R amp S ESCI7 R amp S ESCI7 DKD ISO 17025 Calibration incl ISO 9000 calibration 1 R amp S FSP B1 optio
19. plications 1 Housing option for outdoor use Shock absorbing corners carrying handle carrying bag 1 AC independent operation using DC power supply and battery pack option 1 Flash disk option for expanded environmental specifications 1 Environmentally friendly design Small number of materials Easy identification of materials through labeling Recyclable housing gt page 13 Rohde amp Schwarz R amp S ESCI7 EMI Test Receiver 3 standard compliant disturbance measurements Characteristics Full compliance EMI test receivers are always used when certifications must be performed in line with relevant stan dards CISPR 16 compliant measurements are extremely demanding for the test equipment since the equipment must be capable of handling a wide variety of disturbance signals This includes pulsed and sinusoidal signals as well as modulated and intermittent signals all of which must be correctly weighted The R amp S ESCI7 EMI test receiver is designed for such ap plications With its integrated preselection with twelve fixed and tunable filters a 20 dB preamplifier and a highly linear frontend the instrument meets the requirements of commercial standards such as CISPR EN ETS ANSI FCC and VCCI Other impressive characteristics include 1 0 dB total measurement uncertainty up to 3 GHz and a 1 dB compression point of 5 dBm With its low displayed average noise level typ 153 dBm for 10 Hz bandwidth and preamplifier
20. quency Since the center frequency of the displayed spectrum al ways corresponds to this receive frequency the measuring receiver can be tuned very accurately and quickly to the signal of interest In addition the user obtains an exact overview of Spectrum occupancy around the measurement channel and if the IF bandwidth is sufficiently large informa tion about the spectral distribution of a modulated signal in the measurement channel Any signals received can be quickly classified as disturbance signals or wanted signals including CW signals present in the form of unmodulated carriers or impulsive disturbances that travel across the screen in the form of narrow lines The benefits of this mixed mode display are as follows More accurate tuning of the EMI test receiver s frequency to the local disturbance maximum 1 Faster and simpler identification of signals 1 Ideal tool for investigating the spectrum that surrounds disturbance signals Mixed mode display bargraph measurement and spectrum The standard compliant measurement in the bargraph display and the fast sweep are shown simultaneously i a L Se rE mme MN i A A te a ia F ee Alternative mixed mode display receiver scan and spectrum with MARKER TRACK function The saved frequency scan and fast sweeps around the current marker frequency are displayed simultaneously Rohde amp Schwarz R amp S ESCI7 EMI Test Receiver 9 Continuous bargraph display
21. r network analysis The optional R amp S FSP B9Y internal tracking generator 9 kHz to 3 GHz and R amp S FSP B10 external generator con trol expand the R amp S ESCI7 to operate as a scalar network analyzer The selective measurement technique allows gain frequency response insertion loss and return loss to be measured with a wide dynamic range and without be ing influenced by generator harmonics or spurious The R amp S FSP BY internal tracking generator covers the frequency range from 9 kHz to 3 GHz A frequency offset of 150 MHz can be set for testing frequency converting modules The tracking generator can be broadband modu lated using an external I O baseband signal The R amp S FSP B10 option uses commercially available RF signal generators as an external tracking source They are controlled via the IEC IEEE bus or a TTL bus The range of functions corresponds to that of the internal tracking generator RF level measurement The R amp S FSP B6 option provides a selectable RF level trigger for measurements on pulsed RF signals used in TDMA communications systems Modulation measurement Using the R amp S FS K measurement demodulator option the R amp S ESCI7 can measure synthesizer settling or fre quency deviation for example This option also enables Fourier analysis of the RF signal or the demodulated AF signal Display choices 1 Frequency amplitude or phase modulation versus time 1 Carrier power ver
22. sus time 1 RF spectrum FFT 1 AF spectrum FFT of demodulated signal with measured SINAD and THD values 12 Extensive documentation and networking capabilities like a PC The R amp S FSP B16 LAN interface option configures the R amp S ESCI7 like a network workstation 1 File logging on network drives 1 Network printer 1 Remote desktop function 1 Remote control via LAN The Windows XP Embedded operating system and the diverse data interfaces allow smooth integration of the instrument into a PC environment For further processing the R amp S ESCI7 saves the mea sured values as ASCII files to document the trace data as well as the most Important instrument settings Documentation of measurement results graphics scan tables and transducer limit value tables can be conve niently handled by connecting a printer to one of the USB interfaces on the front or rear panel This ensures the com plete reproducible evaluation of tests also as a hard copy For software integration instrument drivers are available tree of charge for LabView LabWindows CVI and VXI Plug amp Play Computer controlled measurement of distur bances and automated EMI test routines using R amp S ES SCAN and R amp S EMC32 The R amp S ES SCAN and the R amp S EMC32 EMI measure ment software products complement the R amp S ESCI7 R amp S ES SCAN is a cost effective and user friendly Windows software that was specially created for distur
23. switched on the R amp S ESCI7 can also be used to precisely measure very low amplitude signals with a good signal to noise ratio The available weighting detectors including average with meter time constant CISPR average and RMS average as well as the EMC resolution bandwidths 200 Hz 9 kHz 120 kHz as 6 dB bandwidths 1 MHz as impulse band width fulfill the current version of the CISPR16 1 1 basic standard Measurement of radiated disturbances in line with the product standard CISPR 22 2005 Amend 1 2005 EN 55022 2006 Amend 1 2007 for information technology equipment ITE in the range from 1 GHz to 6 GHz using the R amp S ESCI7 EMI test receiver and the R amp S HF907 double ridged waveguide horn antenna Spectrum analysis for lab applications ACP STANDARD Overview of preprogrammed ACP standards for adjacent channel power ratio ACPR measurement HADC 18136 which is a power measurement TETRA SH specified in many mobile radio Pos x standards High quality spectrum analyzer included Like all modern EMI test receivers from Rohde amp Schwarz the R amp S ESCI7 is based on a powerful spectrum ana lyzer platform This relationship provides comprehensive measurement capabilities from the standard repertoire of a high quality spectrum analyzer including disturbance measurements required in development with preselec tion preamplifier activated when required and also many customized analyzer func
24. tions that help to significantly expand the range of possible applications beyond EMC measurements Extensive measurement functions and evaluation capabilities for general lab applications For many of the typical lab measurements the R amp S ESCI7 provides fast test routines such as the following 1 Determination of the third order intercept point TOI 1 Occupied bandwidth OBVV 1 Adjacent channel power ACP measurement 1 Statistics functions APD CCDF 1 Burst power peak average and RMS display 1 Phase noise 1 Bandwidth marker All IF bandwidths can be selected In both receiver and spectrum analyzer mode 1 EMI bandwidths of 200 Hz 9 kHz 120 kHz and 1 MHz in line with CISPR 16 1 1 1 Resolution bandwidths 3 dB from 10 Hz to 3 MHz 1 3 10 steps 1 44 digital channel filters from 100 Hz to b MHz Crh Cv WA o Statistical signal analysis using the complementary cumulative distribution function CCDF provides the precise CCDF trace average and peak power as well as the crest factor over one million measured values Rohde amp Schwarz R amp S ESCI7 EMI Test Receiver 5 Intuitive operation and powerful EMI analys s functions E 1 i a E es ee I 1 i a a tS 1 User friendly operation as with all EMI test receivers from Rohde amp Schwarz Operation of the R amp S ESCI7 is tailored to applications in EMC labs The receiver provides great ease of use and a
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