User Guide

PAMS
Technical Documentation
NSE–3
System Module
Original 11/97
Page 3 – 48
RF Module
Maximum Ratings
Parameter Rating
Battery voltage, idle mode 6.0 V
Battery voltage during call, highest power level 5.0 V
Regulated supply voltage 2.8 +/– 3% V
Voltage reference 1.5 +/– 1.5% V
Operating temperature range –10...+55 deg. C
RF Frequency Plan
PLUSSACRFU_1
UHF
PLL
VHF
PLL
13 MHz
VCTCXO
232
MHz
f
f/2f/2
f
f
f/2
1006–
1031
MHz
LO–
buffers
935–960
MHz
890–915
MHz
1st IF 71 MHz 2nd IF 13 MHz
TX IF 116 MHz
2nd LO
58 MHz