Using Sa-131 Gps Rf Coupler With Rx-51 - Nokia N900 Service Manual

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
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SA-131
SA-131 is a generic device for GPS testing. It is used together with
SS-62.
SS-206
SS-206 is used for domesheet alignment.
COMPANY CONFIDENTIAL
Copyright © 2009 Nokia. All rights reserved.
Service Tools and Service Concepts
RF coupler
Domesheet
alignment jig
RX-51
Issue 1