Troubleshooting diagram for GSM1800 receiver
Troubleshooting flow
Figure 37 GSM1800 receiver troubleshooting
Results
By measuring with an oscilloscope at RXIP or RXQP on a working GSM1800 receiver this picture should be
seen. Signal amplitude peak-peak 114mV. DC offset 1.0V.
RM-298; RM-299
RF Troubleshooting Instructions
Issue 1
COMPANY CONFIDENTIAL
Page 4 –15
Copyright © 2007 Nokia. All rights reserved.