Anritsu S412E Maintenance Manual page 58

5-5 Mobile WiMAX Signal Analyzer Verification, Option 66 and 67
k. Press the MOD On/Off key and verify that the LED is On. Confirm that the "playing" indicator is
displaying the moving pattern.
l. Press the Frequency key, then enter 2600.5 MHz.
m. Press the Level key, then enter –15 dBm. Turn the output On.
3. Set the S412E to Mobile WiMax Signal Analyzer mode and preset the unit.
4. Set the S412E as follows:
a. Press the Freq main menu key and set the Center Freq to 2600.5 MHz.
b. Press the Setup submenu key and set the Bandwidth to 10 MHz.
c. Press the CP Ratio submenu key (under the Setup submenu key) and set the CP Ratio to 1/8.
d. Press the Frame Length submenu key and set the Frame Length to 10 ms.
e. Press the Demod submenu key and set Demod to FCH.
f. Press the Measurements submenu key and select Demodulator, then select Modulation Summary.
5. Record the S412E EVM (rms) reading in the 2600.5 MHz, –15 dBm row of
WiMAX Residual EVM (10 MHz Bandwidth and 10 ms Frame
6. Verify that the measured EVM is within specification.
7. Set the MG3700A level to –50.0 dBm.
8. Record the S412E EVM (rms) reading in the 2600.5 MHz, –50 dBm row of
9. Verify that the measured EVM is within specification.
10. On the S412E, press the Setup submenu key and set Demod to Auto.
11. Record the S412E Freq Error reading in 2600.5 MHz, –50 dBm row of
WiMAX Frequency Error (10 MHz Bandwidth and 10 ms Frame
12. Verify that the measured Freq Error is within specification.
13. Set the MG3700A frequency to 3600.5 MHz.
14. On the S412E, change the Center Frequency to 3600.5 MHz.
15. Press the Setup submenu key and set Demod to FCH.
16. Measure the EVM (rms) for both –15 dBm and – 50 dBm and then record the measured results in
Table A-23.
17. Verify that the measured EVM is within specification.
18. Repeat Step 11 through
Table A-24.
5-14
Step 13 to measure the Frequency Error at – 50 dBm, record the results in
PN: 10580-00324 Rev. N
Chapter 5 — Option Verification
Table A-23, "Option 67, Mobile
Length).
Table A-23.
Table A-24, "Option 67, Mobile
Length).
S412E MM