User Guide
CCS Technical Documentation 7 - RF Description & Troubleshooting
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Spectrum analyzer
Z701 out, R806 in
TX_900 P>= -3 dBm, 897,4 MHz
Compare with good
sample
No Check
EGSM TX SAW Filter
Mjoelner
Yes Synthesizer
Use Phoenix to select
TX_Data Type: Random
TX Power Level: 10
Yes
Spectrum analyzer Check PA N801
L801 B1_in
(PA N801 Pout_GSM)
No Check Power Loop
L801,V801
Power = +25 dBm,
897,4 MHz
Check TXC
Yes
Spectrum analyzer
RF-connector
Pout = +23 dBm,
897,4 MHz
Check
No Directional Coupler
(L801)
Antenna Switch (Z601)
Yes
EGSM TX
OK