Nokia RH-18 Troubleshooting Instructions page 37

CCS Technical Documentation
By measuring with an oscilloscope at RXIP or RXQP on a working GSM 900 receiver this
picture should be seen.
Signal amplitude peak-peak 789 mV
DC offset 1.2 V
Issue 1 10/03
Company confidential
Figure 33: RX900 I/Q signal waveform
Nokia Corporation.
RH-18/38
Page 37