Observing Tx Output Spectrum On Analyzer - Nokia RM-11 Series Troubleshooting Manual

CC Technical Documentation

Observing Tx Output Spectrum on Analyzer

CDMA signal obtained in Local mode by turning modulation ON
dBm
CDMA signal on channel 384
0
-10
-20
-30
-40
-50
-60
-70
-80
-90
-100
Start: 834.020000 MHz
Res BW: 30 kHz
6/23/03 3:55:47 PM
Issue 2 09/2005
Vid BW: 30 kHz
Using a spectrum analyzer to observe Tx waveform:
• Enable Local Mode (test jig can be set to Local)
• Select CDMA and Rx/Tx Mode (Tx path enabled)
• Select Rho ON on CDMA Control and Execute
• Adjust the 3 Tx AGC for proper output power level
©2005 Nokia Corporation
Troubleshooting - RF
1
Stop: 839.020000 MHz
Sweep: 50 ms
HP8562E,007
Confidential
RM-11
Page 9