Nokia N900 - Using SA-131 GPS RF Coupler with RX-51

SA-131 RF coupler
SA-131 is a generic device for GPS testing. It is used together with
SS-62.
SS-206 Domesheet
alignment jig
SS-206 is used for domesheet alignment.
Using SA-131 GPS RF coupler with RX-51
Use the following basic SA-131 setup for RX-51:
•
1575.520152 MHz
•
-110dbm
•
20db fixed RF attenuator
And use the following settings for the SA-131:
•
Base setting: 3
•
Sledge setting: 3
•
Frame setting: D4 left
•
GPS Coupler setting: D1
•
Direction: Down
•
Attenuation for GPS Coupler: 12dbm
•
RF Generator output level (e.g. -110dbm + 20dbm fixed attenuation + attenuation for GPS Coupler): -78dbm
RX-51
Service Tools and Service Concepts
Page 2 –6 COMPANY CONFIDENTIAL Issue 1
Copyright © 2009 Nokia. All rights reserved.