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Nokia RA-8 Rf Description And Troubleshooting page 22

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RA-8
Nokia Customer Care
7 - RF Description and Troubleshooting
Figure 8: GSM1900 Rx I or Q signal (trace2), burst mode.
Detailed view of GSM900 continuous mode Rx I and Q signals measured from test points RXI
and RXQ simultaneously.
Used channel 37, input signal 942.46771 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.
22
COMPANY CONFIDENTIAL
Issue 1 11/05
Copyright © 2005 Nokia. All Rights Reserved.

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