Anritsu MU368060A Portable Generator User Manual
Contents
1. 7 2 Alphabetical Device Message List 7 2 Alphabetical Device Message List lt Example gt Message header FREQ Function Command message Value of f Query message Response message Application example Detailed header name Frequency Sets the frequency A space is required between FREQf the command message and f Input value Input value explanation 2 99975 to 3 GHZ 2 99975 to 3 GHz 2999 75 to 3000 MHZ 2999 75 to 3000 MHz 2999750 to 3000000 KHZ 2999750 to 3000000 kHz 2999750000 00 to 3000000000 HZ 2999750000 00 to 3000000000 Hz FREQ FREQ f FREQ 123 MHZ 7 5 C CALCBW Function Command message Query message Response message Value of f Application example CALCALVL Function Query message Response message 7 6 Calculation Bandwidth Sets the calculated bandwidth The possible setting range is 10 to 80 of the noise bandwidth CALCBW f CALCBW CALCBW f Within the range of 10 to 80 of the noise bandwidth CALCBW 3 84MHZ Calculation Absolute Level Reads power in the calculated band Available for query command only CALCALVL CALCALVL lz CALCLVL Function Query message Response message Calculation Bandwidth Level Reads the bandwidth calculation level Available for query command only CALCLVL CALCLVL l lIQSRC Function Command message Value of a Query message Response message Application example2. Bandwidth set here is for the flat part of the noise as shown in the figure below Calculated Bandwidth Normally same as the channel bandwidth for the communication system to be measured Calculated Level Displays the power ratio of the calculated bandwidth the total power of the spectrum in the figure below Carrier frequency Setting value for the icalculated bandwidth Setting value for the noise le bandwidth _ p Ideal spectrum for the noise signal part to The power within the calculated bandwidth is therefore figured out with the following formula The power within the calculated bandwidth RF output level total power Calculated level 1 3 1 Setting the Parameters Example Suppose that the following parameters are set for this unit Output Level 10 dBm Digital Mod On System Noisel Noise Bandwidth 7 68 MHz Calculated Bandwidth 3 84 MHz From Formula 1 Power within the calculated bandwidth RF output level Calculated level 10 dBm 3 45 dB 13 45 dBm Therefore the power within the calculated bandwidth for the RF output is 13 45 dBm The power 13 45 dBm is displayed at Ab solute Section 3 Operation Overview 3 2 Power Accuracy for the Calculated Bandwidth From Formula 1 in Section 3 1 accuracy for the power within the calcu lated bandwidth varies depending on the accuracy for the RF output level and the power ca
3. Measurement of the noise signal level outputted at an unknown level is explained here A sample power setting with a 7 68 MHz noise signal bandwidth and 3 84 MHz calculated bandwidth is shown below lt Measurement procedure gt 1 The following parameters should be set for this unit Digital Mod On System Noisel Noise Bandwidth 7 68 MHz Calculate Bandwidth 3 84 MHz 2 Measure the total noise power using the power meter Read the Calculated Level on the display With the parameter set in Step 1 this value should be 3 45 dBm Figure out the noise power for the calculated bandwidth using the formula below Noise power for the calculated bandwidth power meter indication 3 45 dB lt Level accuracy gt Consider the level accuracy for this measurement It is figured out using the following formula Level accuracy Band calculated accuracy Calculated Level accuracy power meter accuracy 0 6 dB when the noise band is 7 68 MHz power meter ac curacy 5 1 Calibration of the Output Level 5 1 4 Calibration using the offset setting function of the RF output level Using the offset setting function of the RF output level of the MG3681A with Absolute display the noise level can be easily calibrated as de scribed below A sample on the same condition as that in Section 5 1 3 is shown below lt Measurement procedure gt 1 Set the MU368060A as in Section 5 1 3 1 2 Measure the total nois
4. MU368060A AWGN Unit Serial No Ambient temperature Power source frequency Hz Relative humidity Remarks C Output level accuracy Section 8 3 Output level 3 dBm Measurement uncertainty 0 2 dB Frequency Result Maximum Specification Value 1920 MHz 1970 MHz 2020 MHz 2070 MHz 2120 MHz Level accuracy at CW 3 0 dB 2170 MHz In band power calculation accuracy Section 8 4 Output level 3 dBm Noise bandwidth MHz Calculated bandwidth MHz Measurement uncertainty 0 1 dB Frequency Result Maximum Specification Value 1920 MHz 1970 MHz 0 6 dB when noise band 2020 MHz width is lt 8 MHz 2070 MHz 2 0 dB when noise band 2120 MHz width is lt 16 MHz 2170 MHz Appendix C Performance Test Result Sheet C 2 Index Alphabetical Order C Calculated Bandwidth neee 3 2 3 3 3 4 3 5 3 6 5 2 5 3 5 4 Calculated Level nennen eneen enn 3 3 3 4 3 5 3 6 5 2 5 3 5 4 5 5 GAN entree este ane ese eee 6 4 N Noise Bandwidth eeen 3 2 3 3 3 4 3 5 3 6 5 2 5 3 5 4 P Power within the calculated bandwidth 3 4 3 5 3 6 R Reception sensitivity nanne nennen enne neen 4 2 W Wanted signal nnee eneen nennen enen eenn 4 2 5 3 Index 1 Index Index 2
5. Section 4 Sample Measurement 4 1 Evaluation Measurement for the Receiver 4 2 The evaluation measurement procedure for the W CDMA receiver is de scribed below Setup Wanted signal source MG3681A MU368040A MX368041A B Two signal coupler Receiver Noise signal source MG3681A MU368060A Measurement procedure 1 Set the frequency for the wanted signal source to the testing fre quency 2 Set the output level of the unit to the proper level for the input con nector of the receiver Set the unit to W CDMA modulation ise is Set the modulation parameter of the unit so that the receiver can re cS ceive the signal Set the frequency for the noise signal source to that set in Step 1 Ol laf Set the noise bandwidth for the unit to that wide enough for the S wanted signal 7 Set the calculated bandwidth for the unit to that for the wanted sig nal 8 Set the output level for the unit to the optimum level for the input connector of the receiver However it should be higher by the noise band calculation level 9 Measure the reception sensitivity of the receiver Section 5 Sample Calibration This section describes the calibration procedure for the output level when using the MU368060A AWGN Unit This example uses a W CDMA sys tem 5 1 Calibration of the Output Level nnn 5 2 5 1 1 Adjusting the out
6. 7 8 1 Q Source Selects between internal generation or external input for the I Q signal IQSRC a INT Internal Internal I Q signal EXT External External I Q signal OFF Q modulation stops Only Pules modulation is available lIQSRC IQSRC a IQSRC EXT MODE Function Command message Value of a Query message Response message Application example 1 Q Source Selects between internal generation or external input for the I Q signal MODE a INT Internal Internal I Q signal EXT External External I Q signal OFF Q modulation stops Only pulse modulation is available MODE MODE a MODE EXT 7 9 N NOISEBW Function Command message Value of f Query message Response message Restriction Application example 7 10 Noise Bandwidth Sets the noise bandwidth NOISEBW f 1 5 to 16 MHz NOISEBW NOISEBW f When Ext is set for I Q signal source screen display and remote con trol are disabled NOISEBW 10MHZ SYS Function Command message Value of a Query message Response message Application example Noise System Sets the communication system SYS a NOISE1 selects noise OR other system such as TDMA unit SYS SYS a SYS NOISE1 7 11 Section 7 Remote Controls 7 3 Device Message List for AWGN Internal Adder Functions When Selecting W CDMA This section provides the functional list of GPIB device messages when using the AWGN interna
7. Sets noise bandwidth and selected in multiples of Calculated Band width When Tone is selected the tone signal of the same power as selected for x4 is added but not for AWGN Two times offset of Chip Rate from carrier frequency is added to the frequency of tone signal Setting items CalcBWx4 CalcBWx3 CalcBWx2 Tone Initial value CalcBWx4 Calculated Bandwidth Displays calculated bandwidth and fixed with1 23 MHz 6 9 Section 6 AWGN Internal Adder Function 6 5 Function Details When Selecting 1xEVDO Image diagram for the AWGN internal adder function is shown below Carrier frequency Noise AWGN 1xEVDO Modulation Wave 1 23 MHz 1 23 MHz x4 x3 x2 Noise is added to the same carrier as the 1xEVDO modulation wave and outputted as I Q and RF signal Setting and displayed values for the AWGN internal adder function are shown below 1 C N Sets the ratio between noise power within 1 23 MHz band and 1xEVO modulation wave power The total power of noise and 1xEVDO modulation wave is fixed to the setting value for RF Level Therefore the lower C N is set the larger the noise power becomes To change the noise power while fixing 1xEVDO modulation power both C N and RF Level settings must be changed 2 Wanted Displays power of 1xEVDO modulation wave 6 10 65 Function Details When Selecting IxEVDO 3 Noise Displays noise power within 1 23 MHz band This is not power for all noise bands The difference be
8. conform with the EMC framework of Australia New Zealand C tick marking CN274 1 Product Model Plug in Units MU368060A AWGN Unit 2 Applied Directive and Standards When the MU368060A AWGN Unit is installed in the MG3681A the applied directive and standards of this Unit are conformed to those of the MG3681A main frame PS About main frame The kind of main frame a measuring apparatus will be to increase Please contact us about the newest information of the main frame About This Manual This operation manual offers an overview sample measurement and re mote control of the MU368060A AWGN Unit The MU368060A AWGN Unit is mounted to the MG8681A Digital Modu lation Signal Generator represents a panel key The MG3681A Digital Modulation Signal Generator Operation Manual is provided separately Refer to them together with this manual IT Table of Contents About This Manual Section 1 Overview nanne 1 1 Product Outline esn eneen eeen 1 2 Product Configuration nennen Section 2 Storage and Transportation 2 1 Precautions for Long term Storage 2 2 Repacking and Transportation eene Section 3 Operation Overview 3 1 Setting the Parameters nnn eneen 3 2 Power Accuracy for the Calculated Bandwidth Section 4 Sample Measurement 4 1 Evaluation Measurement for the Receiver Section 5 Sample Calibration 5 1 Calibration
9. is fixed to the set value for RF Level Therefore the lower C N is set the larger the noise power becomes and the lower the W CDMA modulation wave power becomes To change the noise power while fixing W CDMA modulation wave power both C N and RF Level settings must be changed 2 Output Level Is total of noise power and W CDMA modulation wave power Same as the setting value for RF Level while using the AWGN internal ad der function 6 38 Function Details 3 Wanted Is the ratio between Output Level and W CDMA modulation wave power This value is correct without a warning message Power Un der 0 dB displayed W CDMA modulation wave power Output Level Wanted 4 Noise Is the ratio between Output Level and noise power within 3 84 MHz bandwidth This is not the ratio for power of all bands The differ ence between this value and the display value for Wanted is the same as the setting value for C N Note the following points when using the AWGN internal adder function e When AWGN is set to On the noise power and W CDMA modulation wave power are set to match the setting value for RF Level When AWGN is set to Off W CDMA modulation wave power is set to match the setting value for RF Level For this reason the transmission power for W CDMA modulation wave changes when AWGN is switched between On and Off e Setting values such as for C N and the display value such as for Wanted become correct only when the total level for W CD
10. is humid and condensation may form e It may be exposed to active gases e It may oxidize e The following temperature and humidity exists Temperature lt 20 C gt 60 C Humidity gt 90 Recommended Storage Conditions When MU368060A is stored for long periods we recommend observing the following conditions in addition to those described above e Temperature 0 to 50 C e Humidity 40 to 80 e A location where the temperature and humidity are stable throughout the day 22 Repacking and Transportation 2 2 Repacking and Transportation Precautions on transportation of MU368060A are shown below Repacking Use the original packing material box if available If not available follow the procedures shown below to repack the MU368060A 1 Cover the MU368060A with a conductive vinyl 2 Prepare a cardboard wood aluminum box large enough to store the MU368060A and the cushioning material to cover it 3 Put the MU368060A into the box Then put cushioning material around it to prevent it from moving in the box 4 Firmly close the box with packing string adhesive tape or bands Transportation During transportation avoid vibration where possible and maintain the Recommended Storage Conditions above Section 2 Storage and Transportation Section 3 Operation Overview This section explains the basic screens when MU368060A is mounted on the main frame 3 1 Setting the Parameters nnn ennen 3 2 3 2 P
11. of the Output Level Section 6 AWGN Internal Adder Function teen 6 1 Product Outline saneren venneeevennnereeensnieanetneven 6 2 Operation when Selecting W CDMA 6 3 Function Details nennen eneen 6 4 Operation when Selecting 1xEVDO ee 6 5 Function Details when Selecting 1xEVDO 2 1 2 2 2 3 3 1 3 2 3 6 4 1 4 2 5 1 5 2 6 1 6 3 6 6 6 8 6 10 Section 7 Remote Controls 7 1 7 1 Device Message List by Function ene 7 2 7 2 Alphabetical Device Message List eee 7 5 7 3 Device Message List for each AWGN Internal Adder Functions when Selecting W CDMA 7 12 7 4 Alphabetical Device Message List for AWGN Internal Adder Function when Selecting W CDMA 7 13 7 5 Device Message List for AWGN Internal Adder Functions When Selecting 1XEVDO eee 7 17 7 6 Alphabetical Device Message List for AWGN Internal Adder Function When Selecting 1xEVDO 7 18 Section 8 Performance Test 8 1 8 1 Performance Test ennen enneeeen ennen ennen 8 2 8 2 Devices used in Performance Test nn 8 3 8 3 RF Output Level AccuraCy anneer 8 4 8 4 _In band Power Calculation Accuracy ene 8 5 PROG GING sa sensnerneer rennend App 1 Appendix A Specifications nanne nennen enen ennen A 1 Appendix B Initial Value List nennen eenn B 1 Appendix C Performance Test Result Sheet B 1 alc eiiiai nes stent ane aa tee enim terre or nm a Index 1 at Sec
12. value 1 5 to 4 MHz typical 0 6 dB noise band width set value 4 to 8 MHz 2 0 dB noise band width set value 8 to 16 MHz excluding when the AWGN internal adder function is On C N setting range When the AWGN internal adder function is On For W CDMA selected 30 0 to 20 0 dB resolution 0 2 dB 19 9 to 8 0 dB resolution 0 1 dB For 1xEVDO selected 30 0 to 30 0 dB resolution 0 1 dB RF output Output level signal setting range 143 to 3 dBm Level accuracy Within 3 0 dB for the level at CW when ALC On output 3 dBm noise bandwidth 7 68 MHz excluding when the AWGN internal adder function is On Number of used slots 1 slot Mass lt 400 g Appendix A Specifications Appendix B Initial Value List B Initial Value List When Noise is selected for System Setting Initial value Noise 7 68 MHz Calculated 3 84 MHz When the AWGN internal adder function is On with W CDMA selected Setting Initial value AWGN Off C N 20 0 dB Noise Bandwidth Chip Rate x2 When the AWGN internal adder function is On with 1xEVD selected Setting Initial value AWGN Off C N 30 0 dB Noise Bandwidth CalcBWx4 Appendix B Initial Value List B 2 Appendix C Performance Test Result Sheet C Performance Test Result Sheet Test site Report No Date Person in charge Model MG3681A Digital Modulation Signal Generator
13. Function Command messages and query messages The header of the command message is a reserved word represented by uppercase alphanumeric characters The header field of the query mes sage ends with The argument section of the command message and the query message can contain multiple arguments delimited by a separa tor Argument types are explained below 1 Uppercase characters reserved words 2 Numeric reserved words 3 Lowercase characters in the argument section f Frequency numeric data NR1 NR2 and NR3 Suffix code GHZ GZ MHZ MZ KHZ KZ HZ When the unit is omitted HZ applies 1 Level relative value numeric data NR1 NR2 and NR3 formats Suffix code DB When the unit is omitted DB applies n integer without unit numeric data NR1 format r real number without unit numeric data NR2 format h hexadecimal without unit numeric data hexadecimal s string alphanumeric character enclosed in or 7 2 7 1 Device Message List by Function Response message A response message is returned to the external controller when a query message is received which is represented in the form response header field response data section Multiple response data may be included by delimiting the response data section by a separator Response data types are explained below 1 Uppercase characters reserved word 2 Numeric reserved word 3 Lowercase characters in the argume
14. MA multiplex channels is 0 dB Use the AWGN internal adder function under conditions whereby a warning message Power Under 0 dB is not displayed Section 6 AWGN Internal Adder Function 6 4 Operation When Selecting 1xEVDO 6 8 When 1xEVDO is selected for System additionally Over sampling is 8 and 1xEVDO modulation wave of single carrier is set to Pattern setting items of AWGN internal adder function appear in the Digital modulation setting screen for 1xEVDO modulation Items not specially mentioned can be set in the same as for the MX368033A Refer to the MX3868033A operation manual 1XEV DO Freq 800 000 000 OO rz el 10 00 dBm Mem Int Pulse PRE a Trigger De 1 AWGN Sets the AWGN internal adder function On Off When set to Off the MX368033A standards apply to all items When set to On the MU368060A not the MX3868033A standards apply to the following specifications e Carrier frequency range e 1 Q output signal e RF output signal Setting item On Off Initial value Off 2 C N Sets the ratio between noise power within 1 23 MHz band and 1xEVDO modulation wave power Note that this is not the ratio for noise power of all bands Setting range 30 0 to 30 0 dB 0 1 step Initial value 30 0 dB 3 aren o A cl IY IEE 6 4 Operation When Selecting IxEVDO Wanted Displays power of 1xEVDO modulation wave Displays noise power within 1 23 MHz band Noise Bandwidth
15. MU368060A AWGN Unit Operation Manual Fourth Edition e Read this manual before using the equipment e To ensure that the equipment is used safely read the For Safety in the MG3681A Digital Modula tion Signal Generator Operation Manual first e Keep this manual with the equipment ANRITSU CORPORATION Document No M W1955AE 4 0 MU368060A AWGN Unit Operation Manual 1 August 2001 First Edition 1 December 2003 Fourth Edition Copyright 2001 2003 ANRITSU CORPORATION All rights reserved No part of this manual may be reproduced without the prior written permission of the publisher The contents of this manual may be changed without prior notice Printed in Japan i Equipment Certificate Anritsu Corporation certifies that this equipment was tested before shipment using calibrated measuring instruments with direct traceability to public testing organizations recognized by national research laborato ries including the National Institute of Advanced Industrial Science and Technology and the Communications Research Laboratory and was found to meet the published specifications Anritsu Warranty Anritsu Corporation will repair this equipment free of charge if a mal function occurs within 1 year after shipment due to a manufacturing fault provided that this warranty is rendered void under any or all of the fol lowing conditions e The fault is outside the scope of the warranty conditions described
16. OISE OFF C N NOISECN NOISECN 1 Wanted Signal Power NOISECN 1 WNTSGPWR WNTSGPWR 1 Noise Signal Power NOISEPWR NOISEPWR 1 Noise Bandwidth x4 NOISEBW CBWX4 NOISEBW NOISEBW CBWX4 Noise Bandwidth x3 NOISEBW CBWX3 NOISEBW NOISEBW CBWX3 Noise Bandwidth x2 NOISEBW CBWX2 NOISEBW NOISEBW CBWX2 Noise Bandwidth Tone NOISEBW TONE NOISEBW NOISEBW TONE 7 17 Section 7 Remote Controls 7 6 Alphabetical Device Message List for AWGN Internal Adder Function When Selecting 1xEVDO This section details the alphabetical device message for GPIB device mes sage when using AWGN internal adder function with 1xEVDO selected as explained in Section 6 Refer to an example in Section 7 2 regarding this format 7 18 NOISE Function Command message Value of a Query message Response message Application example NOISEBW Function Command message Value of a Value of a Query message Response message Application example AWGN Addition Sets AWGN and 1xEVDO modulation wave internal adder On Off NOISE a ON Sets the internal adder function On OFF Sets the internal adder function Off NOISE NOISE a NOISE ON Noise Bandwidth Sets AWGN bandwidth NOISEBW a X4 Sets the noise bandwidth to 4 times the chip Rate X3 Sets the noise bandwidth to 3 times the chip Rate X2 Sets the
17. alyzer 5 Measure the power for calculated bandwidth by using the noise measurement function of the spectrum analyzer 9 Measure the power for all bands by using the noise measurement function of the spectrum analyzer 10 Calculate the calculated level from the values measured in Step 3 and 4 Calculated Level all bands dBm calculated bandwidth dBm 11 Calculate the difference between the calculated level obtained using the formula above and that displayed on the MG3681A screen Appendix A Specifications nanne oenen eneen A 1 Appendix B Initial Value List nnn enne enen B 1 Appendix C Performance Test Result Sheet C 1 App 1 Appendix App 2 Appendix A Specifications Item Specifications Application Noise AWGN signal source for reception sensitivity test of CDMA modulation radio equipment Carrier frequency range 1920 to 2170 MHz Noise data Probability distribution Gauss distribution Bandwidth 1 5 to 16 MHz excluding when the AWGN internal adder function is On Crest factor gt 14 dB RF signal output level lt 3 dBm excluding the continuous mode Calculated bandwidth 10 to 80 of the setting value for noise bandwidth excluding when the AWGN internal adder function is On In band Power calculation accuracy Power ratio accuracy within the calculated bandwidth to total power at 18 to 35 C 0 6 dB noise band width set
18. as on acceptance in spection periodic inspection or after repair If the performance test result shows that the MU368060A does not satisfy the standards please contact Anritsu s service division The performance test for the MU368060A consists of the following test items e RF output level accuracy e In band power calculation accuracy Conduct the performance test periodically for important items as preven tive maintenance It is recommended to conduct the test once or twice a year Save the result of the performance test using Appendix C Performance Test Result Sheet Caution A Before conducting the performance test turn MU368060A and devices used ON for at least 30 minutes to fully stabilize them Conduct the test at room temperature with stable AC power source voltage and without noise vibration dust and humidity for the best measurement accuracy 82 Devices used in Performance Test 8 2 Devices used in Performance Test The devices used in the performance test of the MU368060A are shown in the table below Performance Test Item Recommended Device Name Anritsu Model Name RF output level accuracy Power meter ML4803A Power sensor MA4601A In band power calculation accuracy Spectrum analyzer with RMS detection mode MS2683A Opt04 Section 8 Performance Test 8 3 RF Output Level Accuracy 1 Test criteria ALC On output 3 dBm level difference from resul
19. bandwidth NOISEBW a CR1H Sets the noise bandwidth to 1 5 times the Chip Rate CR2 Sets the noise bandwidth to twice the Chip Rate NOISEBW NOISEBW a NOISEBW CR2 PWRCNR Function Command message Value of Query message Response message Application example PWRNS Function Query message Response message Value of Application example C N Sets the ratio of modulation wave power to noise within bandwidth power C N PWRCNR 30 0 to 8 0 dB PWRCNR PWRCNR PWRCNR 8 0 dB Noise Signal Power Queries the noise power ratio within the bandwidth PWRNS PWRNS 143 0 to 17 0 dB PWRNS 7 15 P PWRWS Function Query message Response message Value of Application example 7 16 Wanted Signal Power Queries the modulation wave power ratio PWRWS PWRWS 143 0 to 17 0 dB PWRWS 7 5 Device Message List for AWGN Internal Adder Functions When Selecting IxEVDO 7 5 Device Message List for AWGN Internal Adder Functions When Selecting 1xEVDO This section provides the function list of the GPIB device message when using AWGN internal function with 1xEVDO selected as explained in Sec tion 6 Refer to Section 7 1 for details on command query and response messages Item Device message Control item AWGN Addition On Command message NOISE ON Query message NOISE Response message NOISE ON AWGN Addition Off NOISE OFF NOISE N
20. ction 6 AWGN Internal Adder Function 6 1 Product Outline The MU368060A is capable of outputting I Q and RF signals added with W CDMA uplink modulation wave and noise when mounted with both the MU368040A and the MX368041A B W CDMA modulation wave and noise can be internally added in the fol lowing conditions Simulation Link Up Link W CDMA Phase 1 Chip Rate 3 84 Mcps Maximum Code Number 1 to6 Noise parameters that can be set at noise internal addition are shown be low Noise Bandwidth Chip Rate x1 5 or x2 0 C N 30 0 to 20 0 dB 0 2 dB step 19 9 to 8 0 dB 0 1 dB step In addition the MU368060A is capable of outputting I Q and RF signals added with a single carrier 1xEVDO modulation wave and noise when mounted with both the MU368040A and the MU368030A MX368033A 1xEVDO modulation wave and noise can be internally added in the fol lowing conditions Over Sampling Carrier 1 Note A single carrier 1xEVDO modulation wave which is provided for MX368033A as a standard is satisfied with the above conditions Noise parameters that can be set at noise internal addition are shown be low Noise Bandwidth Chip Rate x4 x8 x2 or Tone C N 30 0 to 30 0 dB 0 1 dB step 6 2 62 Operation When Selecting W CDMA 6 2 Operation When Selecting W CDMA When W CDMA is selected for System while setting Up Link for Simula tion Link setting items for the AWGN internal adder func
21. e power using the power meter 3 Set the offset level of the MU368060A The set value is as follows Set value of offset level Reading of power meter Set value of RF output level of MU368060A 4 Press Offset On Off to set Offset mode to On 5 The value displayed on Absolute becomes the noise power for the calculated bandwidth lt Level accuracy gt Immediately after calibration by power meter the accuracy of the noise power value displayed on Absolute is shown in the formula below Level accuracy Band calculated accuracy Calculated Level accuracy power meter accuracy If the MU368060A output level is changed after calibration by power me ter the accuracy of the noise power value displayed on Calculate Absolute Level is shown in the formula below Level accuracy Band calculated accuracy Calculated Level accuracy RF output level accuracy Section 5 Sample Calibration Section 6 AWGN Internal Adder Function This section explains the AWGN internal adder function available when MU368060A is mounted with both MU368040A and MX368041A B 6 1 Product Outline az aasna acne 6 2 6 2 Operation When Selecting W CDMA 6 3 6 2 1 Main Ser8Sn unzzcinr taille aadieeainin 6 3 6 2 2 Scrambling Code amp Others Edit screens 6 5 6 3 Function Details nonnen neee ennen 6 6 6 4 Operation When Selecting 1XxEVDO 6 8 6 5 Function Details When Selecting 1xEVDO 6 10 Se
22. in the operation manual e The fault is due to mishandling misuse or unauthorized modification or repair of the equipment by the customer e The fault is due to severe usage clearly exceeding normal usage e The fault is due to improper or insufficient maintenance by the cus tomer e The fault is due to natural disaster including fire flooding earthquake etc e The fault is due to use of non specified peripheral equipment peripheral parts consumables etc e The fault is due to use of a non specified power supply or in a non specified installation location In addition this warranty is valid only for the original equipment pur chaser It is not transferable if the equipment is resold Anritsu Corporation will not accept liability for equipment faults due to unforeseen and unusual circumstances nor for faults due to mishandling by the customer Anritsu Corporation Contact If this equipment develops a fault contact Anritsu Service and Sales of fices at the address at the end of paper edition manual or the separate file of CD edition manual iii Iv Notes On Export Management This product and its manuals may require an Export License Approval by the Government of the product s country of origin for re export from your country Before re exporting the product or manuals please contact us to confirm whether they are export controlled items or not When you dispose of export controlled items the products manual
23. is is not the ratio for noise power of all bands Setting range 30 0 to 20 0 dB 0 2 dB step 19 9 to 8 0 dB 0 1 dB step Initial value 20 0 dB Noise Displays the ratio between Output Level and noise power within 3 84 MHz bandwidth When a warning message Power under 0dB is displayed the dis played value does not match with actual output 10 Wanted Displays the ratio between Output Level and W CDMA modulation wave power When a warning message Power under OdB is displayed the dis played value does not match with actual output 62 Operation When Selecting W CDMA 6 2 2 Scrambling Code amp Others Edit screens CFF FFFF 018 OFF Return Data CH4 Clock Trig PWR CONT Ref Clock 1 Q_ Input 1 Noise Bandwidth Sets the noise bandwidth Setting item Chip Rate x 1 5 Chip Rate x 2 Initial value Chip Rate x 2 Section 6 AWGN Internal Adder Function 6 3 Function Details Image diagram for the AWGN internal adder function is shown below Carrier frequency Noise AWGN j W CDMA A Modulation Wave 3 84 MHz 7 68 5 76 MHz Noise is added to the same carrier as the W CDMA modulation wave and outputted as I Q and RF signals Setting and displayed values for the AWGN internal adder function are shown below 1 C N Is the ratio between noise power within 3 84 MHz bandwidth and W CDMA modulation wave power The total power of noise and W CDMA modulation wave
24. l adder function with W CDMA selected as ex plained in Section 6 Refer to Section 7 1 for details on command query and response messages Item Device Message Command Query Response Message Message Message AWGN Addition ON NOISEADD ON NOISEADD NOISEADD ON AWGN Addition OFF NOISEADD OFF NOISEADD NOISEADD OFF C N PWRCNR 1 PWRCNR PWRCNR 1 Wanted Signal Power PWRWS PWRWS 1 Noise Signal Power PWRNS PWRNS 1 Noise Bandwidth NOISEBW CR1H NOISEBW NOISEBW CR1H Chip Rate x1 5 Noise Bandwidth NOISEBW CR2 NOISEBW NOISEBW CR2 Chip Rate x2 Control Item 7 12 7 4 Alphabetical Device Message List for the AWGN Internal Adder Function 7 4 Alphabetical Device Message List for AWGN Internal Adder Functions When Selecting W CDMA This section details the alphabetical list of GPIB device messages when using the AWGN internal adder function with W CDMA selected as ex plained in Section 6 7 13 N NOISEADD Function Command message Value of a Query message Response message Application example NOISEBW Function Command message Value of a Query message Response message Application example 7 14 AWGN Addition Sets internal addition of noise and W CDMA modulation wave On Off NOISEADD a ON Sets the internal adder function On OFF Sets the internal adder function Off NOISEADD NOISEADD a NOISEADD ON Noise Bandwidth Sets the noise
25. lculation level When the user does not perform calibra tion accuracy is the added value of these two error elements Accuracy of the power within the calculated bandwidth RF output level error Calculated level error 2 Level accuracy at CW 3 0 dB 0 6 dB or 2 0 dB 3 20 6 dB when the setting value for noise bandwidth is lt 8 MHz 2 0 dB when the setting value for noise bandwidth is gt 8 MHz RF output level accuracy The standard for the RF output level accuracy is 3 dB level accuracy at CW However it is relatively easy to calibrate it by using the power meter When calibrated the error for the RF output level can be reduced to the measurement accuracy of the power meter Calculated level accuracy The calculated level displayed is figured out under ideal conditions and with the frequency characteristic for the analogue circuit flat On the other hand the actual RF output signal may not be flat according to the frequency characteristic for the analogue circuit The distortion of frequency characteristic results in an error in the calculated level Carrier frequency Setting value for the calculated bandwidth e a Setting value for the noise bandwidth Spectrum for MU368060A Section 4 Sample Measurement This section explains sample measurement when MU368060A is mounted on the main frame 4 1 Evaluation Measurement for the Receiver 4 2
26. noise bandwidth to 2 times the chip Rate TONE Sets tone signal of power equivalent to noise NOISEBW NOISEBW a NOISEBW X4 7 19 N NOISECN Function Command message Value of 1 Query message Response message Application example NOISEPWR Function Query message Response message Value of 1 Application example 7 20 C N Sets the ratio between modulation wave power and noise power within band C N NOISECN 30 0 to 30 0 dB NOISECN NOISECN NOISECN 8 0DB Noise Signal Power Queries noise power within band NOISEPWR NOISEPWR 143 0 to 17 0 dB NOISEPWR WNTSGPWR Function Query message Response message Value of 1 Application example Wanted Signal Power Queries the modulation power WNTSGPWR WNTSGPWR 143 0 to 17 0 dB WNTSGPWR 7 21 Section 7 Remote Controls 7 22 Section 8 Performance Test This section explains the required measuring instruments and procedures for setup calibration and performance test to confirm that the MU368060A satisfies the standards 8 1 Performance Test annen ennen ennen 8 2 8 2 Devices used in Performance Test nnen 8 3 8 3 RF Output Level Accuracy nanne eneen 8 4 8 4 _In band Power Calculation Accuracy 8 5 Section 8 Performance Test 8 1 Performance Test 8 2 The performance test is required to check that the MU368060A satisfies the standards Conduct the performance test when required such
27. nt section f Frequency numeric data NR1 format Suffix code HZ l Level relative form numeric data NR2 format Suffix code DB l Level absolute form numeric data NR2 format Suffix code DBm n integer without unit numeric data NR1 format r real number without unit numeric data NR2 format h hexadecimal without unit numeric data hexadecimal Note When the header is set to Off the header of the response message and the suffix code of the numeric data are not outputted For header On Off settings refer to the MG3681A Operation Manual Section 7 Remote Controls Device message list lt Common gt Item Device message Command Query Response Controlled item 7 4 T Q Source Internal message MODE INT IQSRC INT message message MODE INT IQSRC INT Q Source External MODE EXT IQSRC EXT MODE EXT IQSRC EXT T Q Source OFF MODE OFF IQSRC OFF MODE OFF IQSRC OFF System NOISE1 lt Noise Generation gt Item SYS NOISE1 Device message SYS NOISE1 Controlled item Bandwidth Noise Command message NOISEBW bandwidth Query message NOISEBW bandwidth Response message NOISEBW Bandwidth Calc CALCBW bandwidth CALCBW bandwidth CALCBW Power in Calc B W CALCLVL CALCLVL level value Absolute Power in Calc B W CALCALVL CALCALVL level value
28. ower Accuracy for the Calculated Bandwidth 3 6 Section 3 Operation Overview 3 1 Setting the Parameters When is pressed the key lamp lights and the Main screen ap pears This screen is for basic parameter settings on digital modulation Details on the Main screen settings are described below Freq 192 000 000 00 rez 10 00 den Mem Digital Mod 1 I Q Mod When Digital Modulation is set to On this unit outputs noise When set to Off it outputs CW signal Setting item Int Ext Off 2 System Sets the communication system Setting item NOISE1 3 Noise Sets the bandwidth for the noise to be generated Setting range 1 5 to 16 MHz resolution 1 kHz 4 Calculated Sets the calculated bandwidth Setting range 10 to 80 of the inputted setting value for the noise bandwidth Resolution 1 kHz 3 1 Setting the Parameters 5 Calculated Level Calculates the calculated level internally based on the inputted cal culated bandwidth Displays the power ratio of the band specified in 4 to the total power for the RF output of the signal generator 6 Absolute Displays the power in the calculated bandwidth Displayed value RF output level Calculated Level Section 3 Operation Overview e Calculating the power for the calculated bandwidth The noise generator can be explained by the following three parameters Noise Bandwidth Sets the band for the noise to be generated
29. ower meter becomes the total power found in Step 2 This com pletes calibration to the 20 dBm 3 84 MHz noise level at the RF output connector terminal lt Level accuracy gt Consider the level accuracy for the setting of this calibration method It is figured out by the following formula Level accuracy Band calculated accuracy Calculated Level accuracy power me ter accuracy 20 6 dB when the noise band is 7 68 MHz power meter accu racy 5 1 Calibration of the Output Level lt Points gt In this calibration method the output level accuracy of this unit can be ig nored because the output level is directly measured by the power meter Conversely by changing the output level of this unit after calibration its accuracy affects the level accuracy The output level accuracy applies be cause the step accuracy relative accuracy of the output level is not speci fied for this unit In this case the noise level accuracy is the sum of the level accuracy of this unit and the power meter accuracy 5 1 2 Adjusting the level at the input connector terminal of the receiver Calibration of the noise level at the input connector terminal of the receiv er is explained here A sample power setting with a 7 68 MHz noise signal bandwidth and 73 dBm 3 84 MHz at the input connector terminal of the receiver is shown below lt Calibration procedure gt 1 Set the following parameters for this unit Digital Mod On Sys
30. put level for the signal generator nnee 5 2 5 1 2 Adjusting the level at the input connector terminal of the receiver 5 3 5 1 3 Measuring the level of the outputted noise 5 4 5 1 4 Calibration using the offset setting function of the RF output level 5 5 Section 5 Sample Calibration 5 1 Calibration of the Output Level 5 1 1 5 2 Adjusting the output level for the signal generator Calibration of the output level at the RF connector terminal for the signal generator is explained here A sample power setting with a 7 68 MHz noise signal bandwidth and 20 dBm 3 84 MHz at the RF output connector terminal is shown below lt Calibration procedure gt 1 Set the following parameters for this unit Digital Mod On System Noisel Noise Bandwidth 7 68 MHz Calculate Bandwidth 3 84 MHz 2 Calculate the total noise power for 20 dBm 3 84 MHz Read the Calculated Level on the display With the parameter set in Step 1 this value should be 3 45 dBm Figure out the total noise power using the formula below Total power 20 dBm 3 45 dB 16 55 dBm 3 Connect the power meter to the RF output connector for this unit Of orea oo 0 i gt Mon gt 000000 oe 5 4 Set the output level for this unit so that the indication value of the p
31. s are needed to be broken shredded so as not to be unlawfully used for military purpose Disposing of Product This equipment uses chemical compound semiconductors including arsenide At the end of its life the equipment should be recycled or disposed properly according to the local disposal regulations Trademark and Registered Trademark MS Microsoft MS DOS and Windows are the registered trademark of Microsoft Corporation in the United States and or other countries IBM and AT are the registered trademark of International Business Ma chines Corporation NI 488 2TM is a registered trademark of National Instruments Corpora tion CE Conformity marking Anritsu affixes the CE Conformity marking on the following product s in accordance with the Council Directive 93 68 EEC to indicate that they conform with the EMC and LVD directive of the European Union EU CE marking 1 Product Model Plug in Units MU368060A AWGN Unit 2 Applied Directive and Standards When the MU368060A AWGN Unit is installed in the MG3681A the applied directive and standards of this Unit are conformed to those of the MG3681A main frame PS About main frame The kind of main frame a measuring apparatus will be to increase Please contact us about the newest information of the main frame C tick Conformity marking Anritsu affixes the C tick marking on the following product s in accor dance with the regulation to indicate that they
32. tem Noisel Noise Bandwidth 7 68 MHz Calculate Bandwidth 3 84 MHz 2 Calculate the total noise power for 73 dBm 3 84 MHz Read the Calculated Level on the display With the parameter set in Step 1 this value should be 3 45 dBm Figure out the total noise power using the formula below Total power 73 dBm 8 45 dB 69 55 dBm 3 Set the RF output for the desired frequency signal generator to Off and then connect the power meter to the input connector terminal of the receiver Wanted signal source COOCOO ener Receiver Section 5 Sample Calibration 4 Set the output level for this unit so that the indication value of the power meter becomes the total power found in Step 2 This com pletes calibration to the 73 dBm 3 84 MHz noise level at the input connector terminal of the receiver lt Level accuracy gt See Section 5 1 1 for level accuracy lt Points gt When 69 55 dBm is not able to be directly measured by the power meter insert a fixed attenuator into the receiver input and perform calibration up to the necessary level of attenuation However the calibration value for the attenuation of the fixed attenuator should be measured in advance Calibration accuracy for the fixed at tenuator is added to the level accuracy 5 1 3 Measuring the level of the outputted noise
33. tion 1 Overview This section describes the product outline and manual configuration for the MU368060A AWGN Unit 1 1 Product Outline oa vann anne rnatareveneedareetsanen en laine 1 2 1 2 Product Configuration nanne ennen 1 3 1 1 Section 1 Overview 1 1 Product Outline The MU368060A is an AWGN Additive White Gaussian Noise Unit mounted on the MG3681A Digital Modulation Signal Generator hereafter main frame Mounting the MU368060A on the main frame enables noise signals to be generated for reception sensitivity test of CDMA 2000 modulation radio equipment 1 2 Product Configuration The standard configuration of the MU368060A is shown below When unpacking check that the listed products are provided 1 2 Product Configuration If a missing or damaged component is found please contact Anritsu or its distributors Model name and Item Part name Quan Remarks number tity Main Unit MU368060A AWGN Unit 1 Accessory W1955AE Operation Manual 1 1 3 Section 1 Overview 1 4 Section 2 Storage and Transportation This section describes precautions on storage and transportation of MU368060A 2 1 Precautions for Long term Storage nnn 2 2 2 2 Repacking and Transportation nnee 2 3 Section 2 Storage and Transportation 2 1 Precautions for Long term Storage 2 2 Avoid storing the MU368060A in places where e It may be exposed to direct sunlight e Itis dusty e It
34. tion appear in the Digital modulation setting screen for W CDMA modulation Items not specifically mentioned can be set in the same as for the MX368041A B Refer to the MX368041A or MX368041B Operation Manual 6 2 1 Main screen CDMAC1 2 Freq 1920 000 000 00 mz 1 el 7 10 00 dem Mem TTT Normal Int PUR CONT W CDMA Phase Setting a value other than 1 for Phase turns the AWGN internal ad der function Off Simulation Link Setting Down Link for Simulation Link turns the AWGN internal adder function Off Chip Rate Setting a value other than 3 84 Mcps for Chip Rate turns the noise internal adder function Off Filter Mode This item is disabled while AWGN is set to On Maximum Code Number Selecting a value of 7 or larger for Simulation Link turns the AWGN internal adder function Off 6 3 Section 6 AWGN Internal Adder Function 6 Output Level Displays noise power for all bands total power for multiplex chan nels of W CDMA modulation wave AWGN Sets the AWGN internal adder function On Off When set to Off the MX368041A B standards apply to all items When set to On the MU368060A not the MX368041A B standards apply e Carrier frequency range e Number of multiplex channel e I Q output signal e RF output signal Setting item On Off Initial value Off C N Sets the ratio between noise power within 3 84 MHz bandwidth and W CDMA modulation wave power Note that th
35. tput level is 3 dBm 0 6 dB 1920 to 2170 MHz noise band width set value 4 to 8 MHz 2 0 dB 1920 to 2170 MHz noise band width set value 8 to 16 MHz excluding when the noise internal adder function is On Measuring instruments for test e Spectrum analyzer with RMS detection mode MS2683A Opt04 Setup MG3681A MS2683A Opt04 MU368060A Spectrum Analyzer pa CCS le a ml A a O o S A m CJ e wooo 5 2 e o 8858 ao 10 CO 66 RF Output RF Input Test procedures Set the communication system for the MU368060A to NOISE1 j Press the Preset button and then set the following parameters Digital Modulation On 3 Set Noise Bandwidth and Calculate Bandwidth to be measured on the MU368060A Set the output level of the MU368060A to 3 dBm Set the frequency to be measured on the MU368060A Set the following parameters on the MS2683A For MS2683A operations refer to its operation manual N ar a m Q Ol fF es e pres SPAN 1 25 times or more of Noise Bandwidth RBW 1 150 times or less of Noise Bandwidth VBW Auto Detector Mode Rms Storage Mode Linear Average Average Count 50 Sweep Time Auto Section 8 Performance Test Reference Level 10 dBm Amplitude Scale 10 dBm s 4 Perform waveform averaging with the spectrum an
36. ts during CW and during modulation at noise bandwidth of 7 68 MHz 3 dB excluding when noise internal adder function is On 2 Measuring instruments for test e Power meter ML4803A e Power sensor MA4601A 3 Setup MG3681A MU368060A pia ML4803A a E J Power Meter 4 e E o U e m e Ei Inl r a ea m Sensor Input RF Output ML4803A Power Sensor i 4 Test procedures 1 Set the communication system for the MU368060A to NOISE1 2 Press the Preset button and then set the following parameters Baseband On Noise 7 68 MHz 3 Set the RF Output on the MU368060A to Off 4 Perform zero point adjustment and sensor sensitivity calibration of the power meter 5 Set the output level of the MU368060A to 3 dBm 6 Set the frequency to be measured on the MU368060A 7 Set the sensor calibration factor for the power meter 8 Set the RF Output on the MU368060A to On and then measure the output level 9 Set the following prameters Digital Modulation On 10 Repeat procedures from 3 to 8 11 Find the level difference from the results 7 during CW and 9 during modulation 84 In band Power Calculation Accuracy 8 4 In band Power Calculation Accuracy 1 2 3 4 Test criteria Power ratio accuracy within the calculated bandwidth to total power when RF ou
37. tween this value and the display value for Wanted is the same as the setting vale for C N Note the following points for using the AWGN internal adder function e When AWGN is set to On the power for 1xEVDO modulation wave are set to match the setting value for RF Level In addition when AWGN is Off the power for 1xEVDO modulation wave is set to the setting for RF Level For this reason the transmission power for 1xEVDO modulation wave changes when AWGN is switched between On and Off 6 11 Section 6 AWGN Internal Adder Function 6 12 Section 7 Remote Controls This section provides the function list for the GPIB device messages and de scribes the messages in alphabetical order when the MU368060A AWGN Unit is mounted on the main frame For a description of the other remote controls refer to Section 6 Remote Controls in the MG3681A Main Unit Operation Manual 7 1 Device Message List by Function eee 7 2 7 2 Alphabetical Device Message List eee 7 5 7 3 Device Message List for AWGN Internal Adder Functions When Selecting W CDMA 7 12 7 4 Alphabetical Device Message List for AWGN Internal Adder Functions When Selecting W CDMA 7 13 7 5 Device Message List for AWGN Internal Adder Functions When Selecting 1xEVDO eee 7 17 7 6 Alphabetical Device Message List for AWGN Internal Adder Function When Selecting 1xEVDO 7 18 7 1 Section 7 Remote Controls 7 1 Device Message List by
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