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RM-298; RM-299
RF Troubleshooting Instructions
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.
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