Figure 39 Simple Tests – Receiver Self Test
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
GPS Control
dialogue box and enables the GPS.
In the
CW Test
window, ensure that the input settings are as shown in the figure below. Inject 1575.520152
MHz tone at the GPS test pad J6201 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
RM-555
BB Troubleshooting and Manual Tuning Guide
Issue 1
COMPANY CONFIDENTIAL
Page 3 –57
Copyright © 2009 Nokia. All rights reserved.