User Guide

NPL-1
6 - Troubleshooting PAMS Technical Documentation
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Yes
Oscilloscope
No Check:
C702 CONT1 Vdc = 2.78 Volt Mjoelner Serial
Interface
C701 CONT2 Vdc = 0 Volt Mjoelner
C703 CONT3 Vdc = 0 Volt
C803 VBD Vdc = 2.78 Volt
Yes
Spectrum analyzer No Check
R819 in TX_1800 P>= -3 dBm, 1747.8 MHz DCS Balun T701
Mjoelner
Yes
Synthesizer
Use Phoenix to select
TX_Data Type: Random
TX Power Level: 5
Yes
Spectrum analyzer Check PA N801
L801 B1_in (PA N801
Pout_DCS)
No Check Power Loop
L801,V801
Power = +22 dBm, 1747.8
MHz
Check TXC
Yes
Spectrum analyzer Check
RF-connector No Directional Coupler (L801)
Pout = +20 dBm, 1747.8
MHz
Antenna Switch (Z601)
Yes
DCS TX
OK