Cw Test - Nokia RM-645 Service Manual

RM-645
BB Troubleshooting and Manual Tuning Guide

CW Test

Context
This test reports the SNR of a CW signal input to the GPS antenna port.
Steps
1. Start Phoenix service software.
2. From the Testing menu, select GPS Control. This opens up
CW Test window, ensure the input settings are as shown in the figure below. Inject 1575.52 MHz
In the
tone at the GPS antenna test connector at a level of -110dBm and click Start.
For Pin = -110dBm and negligible other losses, the expected result ranges are:
• Galvanic 29.8dB to 38.1dB
• Radiated 25.8dB to 38.1dB
Issue 1
Figure 18 Simple Tests – Receiver Self Test
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GPS Control dialogue box and enables the GPS.
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