Codan NGT 2010 RF Technical & Service Manual page 32

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Acronym
NPN
NRI
NSP
NTC
O/C
O/P
OC
opamp
OR
P
PA
PC
PCB
PD
PEP
PIUT
PLCC
PLL
PNP
p–p
ppm
PSEN
PSU
PTC
PTFE
PTT
PWM
PWR
Q
QPSK
R&TTE
RAM
8
Means...
NPN transistor type
NGT remote interface
NGT system programmer
negative temperature coefficient
open circuit
output
open collector (active low)
operational amplifier
logical OR function
peak
power amplifier
personal computer
printed circuit board
potential difference
peak envelope power
paper insulated unit twin
plastic J-leaded chip carrier
phase locked loop
PNP transistor type
peak to peak
parts per million
program select enable
power supply unit
positive temperature coefficient
polytetra fluoro ethylene
press-to-talk
pulse width modulation
power
quality factor
quadrature phase shift keying
radio and telecommunications terminal equipment
random access memory
NGT Transceiver System Technical Service Manual