Error Vector Magnitude (Evm) Verification (Option 45 Or Option 65); Equipment Required; Anritsu Mg3700A Vector Signal Generator; Anritsu Ml2438A Power Meter - Anritsu Spectrum Master MS2711E Maintenance Manual

Option Verification

Error Vector Magnitude (EVM) Verification (Option 45 or Option 65)

The tests in this section can be used to verify the functionality of the WCDMA and/or HSDPA Demodulator of
the WCDMA/HSDPA Signal Analyzer Mode on Model MS271xE Spectrum Master.

Equipment Required

• Anritsu MG3700A Vector Signal Generator

• Anritsu ML2438A Power Meter

• Anritsu MA2482D Power Sensor

• Anritsu 34NN50A Adapter (2)

• Anritsu 15NN50-1.5C RF Coaxial Cable

• Aeroflex/Weinschel 1870A Power Splitter

• Anritsu 2000-1627-R RF Coaxial Cables (2)
• Aeroflex/Weinschel Model 44-10 Attenuator (2)
• 10 MHz Reference Standard
Procedure
1. Turn on the MG3700A Vector Signal Generator and the ML2438A power meter.
2. Connect the power sensor to the power meter and calibrate the sensor.
3. Connect the MG3700A, splitter, attenuator, power meter, and Sensor As shown in
4. Press the On/Off key to turn on the MS271xE and wait until the measurement display appears. Then
press the Shift key, and press the Mode (9) key to activate the mode selection menu.
5. Use the Up/Down arrow keys to select WCDMA and press the Enter key.
6. Press the Shift key, the Preset (1) key, and then the Preset submenu key.
7. On the MG3700A, press the Preset key (Yellow key on the upper left hand side).
8. Press the Down Arrow key to select Yes.
9. Press the Set key.
Note The MG3700A has two Set keys, and they both have the same function.
10. Press the (F1) soft key to select Load File to Memory.
11. Press the (F1) soft key again to select Select Package.
12. Using the Down Arrow key step through the selection list until the W-CDMA(BS Tx test) option is
highlighted.
13. Press the Set key.
14. Press the (F6) soft key (Return).
15. Press the Set key. The Select Package list box appears. Again select W-CDMA(BS Tx test) and then press
the Set key.
16. Another file list appears. Using the Down Arrow key, step through the selection list until the
TestModel_4_opt option is highlighted.
17. Press the Set key.
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 submenu key.
20. Press the Level key, then enter –2 and press the dBm submenu key.
MS271xE MM
3-11 WCDMA/HSDPA Signal Analyzer Verification, Option 44, 45, 65
PN: 10580-00254 Rev. N
Figure 3-12.
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