Nokia NPM-6 Series Troubleshooting Instructions page 17

CCS Technical Documentation Troubleshooting Instructions
Figure 10: RX I&Q, phase difference 90 deg between signals
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Figure 10, "RX I&Q, phase difference 90 deg between signals.," on page 17:
Detailed view of EGSM900 continuous mode RX I and Q signals measured from
testpoints RXI and RXQ simultaneously.
Used channel 37, input signal 942.467 MHz, level –90 dBm at antenna port, AGC setting
12.
Phase difference should be 90 degrees between RX I and Q signals at all bands.
ãNokia Corporation.
Issue 1 01/03 Page 17