User Guide

Nokia Customer Care RF Description and Troubleshooting
6235/6235i/6236i (RM-60)
Issue 1 04/2005 ©2005 Nokia Corporation Company Confidential Page 35
3. Measure a 300kHz tone on the analyzer. You should see a typical -21dBm IQ tone
for CDMA Cell.
Figure 33: Receiver IQ level on Cell band
Figure 34 shows the Cell spectrum and the test points located on the top side of the
main PWB. All four test points should be approximately equal. WARNING: Direct current
is present on these test points.
Figure 34: Cell spectrum and test points on the top side of the main PWB
dBm
0
-10
-20
-30
-40
-50
-60
-70
-80
-90
-100
Cell I Q Output
Trace A
Centre: 300 kHz Span: 200 kHzAtten: 10 dB
Res BW: 3 kHz Vid BW: 3 kHz Sweep: 100 ms
5/5/2004 3:29:30 PM HP8595ECellIQ.spt
1
1
Trace A
302 kHz
-21.2500 dB
m
Rx_IP
Rx_IN
Rx_QP
Rx_QN