User Manual

MM102225V1, Rev. B
45
STEPS ACTION MISCELLANEOUS
8.
Select the RF GEN screen and place
the cursor on the Amplitude field.
9.
Configure test as follows:
Verify HP 8920 RF IN/OUT
port is connected to the antenna
port of the TTA Controller.
Disconnect the TX Q cable from
the DCX under test.
Connect a Test Cable between
the TX Q port under test and the
Audio In Hi port of the HP
8920.
10.
Adjust the volume control on the HP
8920 until the 1kHz test tone is
audible.
11.
On the RF GENERATOR screen,
reduce the Amplitude of the generated
signal until the indicated value for
SINAD stabilizes at a nominal value
of 12dB.
12.
Record the amplitude on worksheet
and record the results on the data
sheet
7
.
-122 dBm
13. Repeat for all other DCX’s.
7
Refer to APPENDIX L - RECORDED DATA SHEET.