Anritsu Spectrum Master MS2722C Maintenance Manual page 68

Chapter 3 — Options Verification 3-5 Option 44, 45, and/or 65 WCDMA/HSDPA Signal Analyzer Verification
18. Press the MOD On/Off key and verify that the Modulation indicator on the display is On.
19. Press the Frequency key, then enter 1962.5, and press the MHz key.
20. Press the Level key, then enter –2, and press the dBm key.
21. Use the knob to adjust the power meter to read –20 dBm.
22. On the MS272xC, press the Center Freq main menu, enter 1962.5, and then press the MHz submenu key.
23. Press the Measurements main menu key, then press the Demodulator submenu key and press the
Modulation Summary submenu key.
24. Press the Setup main menu key, then press the Auto Scrambling submenu key to turn it On.
25. Press the Max Spreading Factor submenu key to set it to 512.
26. Press the Amplitude main menu key, then press the Adjust Range submenu key.
27. Record the EVM reading into
(Test Model 4)" on page A-44
28. This completes the EVM test for MS272xC with Option 45 and the first EVM test for MS272xC with
Option 65.
For MS272xCwith Option 65
1. On the MG3700A, press the Preset key (Yellow key on the upper-left corner).
2. Press the Down Arrow key to select Yes.
3. Press the Set key (Note that two Set keys are available, and they both do the same thing).
4. Press the (F1) submenu key to select "Load File to Memory".
5. Press the (F1) submenu key again to select "Select Package".
6. Using the Down Arrow key, step through the selection list until the WCDMA(BS Tx test) option is
highlighted.
7. Press the Set key.
8. Press the (F6) submenu key, Return.
9. Press the Set key.
10. Using the Down Arrow key, step through the selection list until the TestModel_5_8HSPDSCH option is
highlighted.
11. Press the Set key.
12. Press the MOD On/Off key and verify that the Modulation indicator on the display is On.
13. Press the Frequency key, then enter 1962.5, and press the MHz key.
14. Press the Level key, then enter –2, and press the dBm key.
15. Use the knob to adjust the power meter to read –20 dBm.
16. On the MS272xC, press the Center Freq submenu key, enter 1962.5, and then press the MHz
submenu key.
17. Press the Measurements main menu key, then press the Demodulator submenu key, and press the
Modulation Summary submenu key.
18. Press the Setup main menu key, then press the Auto Scrambling submenu key to turn it On.
19. Press the Max Spreading Factor submenu key to set it to 512.
20. Press the Amplitude main menu key, then press the Adjust Range submenu key.
21. Record the EVM reading into
on page A-44 and verify that it is within 2.5%.
22. This completes the two EVM tests for MS272xC with Option 65.
MS272xC MM
Table A-97, "Option 45 or Option 65, WCDMA Error Vector Magnitude
and verify that it is within ±2.5%.
Table A-98, "Option 65, HSDPA Error Vector Magnitude (Test Model 5)"
PN: 10580-00279 Rev. E 3-23