Lte Residual Evm And Frequency Error Tests (Option 542) - Anritsu Spectrum Master MS2723B Maintenance Manual

Performance Verification

2-15 LTE Residual EVM and Frequency Error Tests (Option 542)

The tests in this section verify the function of Option 542 in the optional LTE Signal Analyzer in Model
MS272xB Spectrum Master.
Required Equipment:
• Anritsu MG3700A Vector Signal Generator
• Power Meter, Anritsu Model ML2438A
• Power Sensor, Anritsu Model MA2482D
• Adapter, Anritsu Model 34NN50A (2)
• RF Coaxial Cable, Anritsu Model 15NNF50-1.5C
• Power Splitter, Aeroflex⁄Weinschel Model 1870A
• Fixed Attenuator, Aeroflex/Weinschel Model 44-10 (2)
• Coaxial Cable, BNC to BNC, 75 ohm (Anritsu PN 3-806-169 Coaxial Cable)
• 10 MHz Frequency Reference Symmetricom Rubisource T&M
• Spectrum Master: MS2723B or MS2724B
Procedure:
1. Connect the Power Sensor, Anritsu Model MA2482D, to the power meter, and then zero the sensor.
2. Set the Power Meter Measurement MODE to True RMS, set Averaging MODE to Moving, and set
Averaging NUMBER to 256.
3. Set the calibration factor frequency of the power sensor to 750 MHz.
4. Connect all of the test equipment as shown in
The LTE pattern requires a Waveform Data license (Part Number MX370108A) that must be
Note
purchased.
Note Both Set keys on the MG3700A perform the same function.
5. Set the MG3700A as follows:
a. Press the yellow Preset button (answer yes to the question).
b. Press the Set key.
c. Press the (F1) soft key to select Load File to Memory.
d. Press the (F1) soft key again to select Select Package.
e. Using the Down Arrow key, step through the selection list until LTE_DL_E-TM is highlighted.
f. Press the Set key.
g. Press the (F6) soft key Return.
h. Press the Set key. The Select Package list box is displayed. Again select LTE_DL_E-TM and then
press the Set key.
i. Another file list is displayed. Select (highlight) E-TM_3-1_10M.
j. Press the Set key.
k. Press the MOD On/Off key and verify that the LED is On. Ensure that the playing indicator is
displaying the moving pattern.
l. Press the Frequency key, then enter 750 MHz.
m. Press the Level key, then enter 2 dBm.
n. Turn On the output.
Models MS2723B and MS2724B MM
2-15 LTE Residual EVM and Frequency Error Tests (Option 542)
Figure 2-28.
PN: 10580-00165 Rev. D 2-83