User Guide

PAMS
Technical Documentation
NHD–4
Disassembly & Troubleshooting
Page 38
Original 11/97
Node Frequency
(MHz)
Power Lvl
HP10020A
500 ohm tip
(dBm)
Power Lvl
(your own)
(dBm)
44.545 MHz osc. at D1, pin 2 44.545 –10
AMPS RX IC D1 pin 16 45 –62
SAW Z3 pin 3 45 –61.5
SAW Z3 pin 6 45 –57.5
Diode V10 pin 3/L15/R29/R30 45 –90
1st IF Amp V9 collector, pin 1 45 –90
1st IF Amp V9 base, pin 3 45 –105
Mixer T1 pin 4 – IF 45 –80
Mixer T1 pin 8 – LO 926.52 –19
Mixer T1 pin 5 – RF 881.52 –75
RF Switch N701 pin 7 – output 881.52 –75.5
RF Switch N701 pin 5 – input 881.52 –75.5
LNA V12 collector 881.52 –68
LNA V 12 base 881.52 –90
RF Switch N702 pin 7 – output 881.52 –85.5
RF Switch N702 pin 5 – input 881.52 –85.5
Duplexor Z102, RX In pin 881.52 –92
Duplexor Z102, ANT pin 881.52 –89
Coax W400 Antenna input 881.52 –87
Coax W400 Connector input 881.52 –88