Rf Measurement Points - Nokia NEM-4 Series Troubleshooting Instructions

CCS Technical Documentation
Reference
Name
number
N601 Mjoelner RF ASIC
B601 26 MHz Xtal
Z602 GSM1800 RX SAW
Z603 GSM1900 RX SAW
Z604 EGSM RX SAW filter
Z701 EGSM TX SAW filter
T701 GSM1800/GSM1900 TX Balun
V802 EGSM Pre-amplifier
G701 3.7 GHz VCO
T702 VCO Balun

RF Measurement points

RF Supply points
RF power supplies are generated in the UEM and can be measured either in the Mjoelner
can or in the baseband can. Arrows mark the measurement points inside the pictures.
Issue 1 09/2003
Company Confidential
Figure 2: RF Supply points inside Mjoelner can
Copyright  2003 Nokia Corporation
Company Confidential
RF Troubleshooting
Reference
Name
number
X602 RF Connector
L801 Directional Coupler
V801 Detector Diode
Z601 Antenna switch
N801 Power Amplifier
NEM-4
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