User Guide

CCS Technical Documentation 7 - RF Description & Troubleshooting
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Use Phoenix to select
TX_Data Type: "1" or "0"
TX Power Level: 5
Yes
Oscilloscope
R612
C627
C717
C623
C605
VREF01
VR2
TXP
VR5
VR3
Vdc = 1.35 Volt
Vdc = 2.78 Volt
V = 1.8 Volt
Vdc = 2.78 Volt
Vdc = 2.78 Volt
Check
Base Band
No
Yes
Oscilloscope
C715
C715
C716
C716
TXIOUTP
TXIOUTN
TXQOUTP
TXQOUTN
67kHz
Vac = 0.4 Vpp, Vdc = 1.1 V
67kHz
Vac = 0.4 Vpp, Vdc = 1.1 V
67kHz
Vac = 0.4 Vpp, Vdc = 1.1 V
67kHz
Vac = 0.4 Vpp, Vdc = 1.1 V
No Check
Base Band
Yes
Oscilloscope
C702
C701
C703
C803
CONT1
CONT2
CONT3
VBD
Vdc = 2.78 Volt
Vdc = 0 Volt
Vdc = 0 Volt
Vdc = 2.78 Volt
No Check:
Mjoelner Serial
Interface
Mjoelner
Yes
Spectrum analyzer
R819 in
TX_1800 P>= -3 dBm, 1880 MHz
No Check
DCS/PCS Balun T701
Mjoelner
Synthesizer
Yes
Use Phoenix to select
TX_Data Type: Random
TX Power Level: 5
Yes
Spectrum analyzer
L801 B2_in
(PA N801 Pout_DCS)
Power = +22 dBm, 1880 MHz
Check PA N801
Check Power Loop
L801,V801
Check TXC
No
Yes
Spectrum analyzer
RF-connector
Pout =+20 dBm, 1880 MHz
Check
Directional Coupler (L801)
Antenna Switch (Z601)
No
Yes
PCS TX OK