DP485 Service Manual
31
Appendix 1 Abbreviations
AMP Amplify, amplifier
ANT Antenna
APC Automatic power control
BPF Band-pass filter
CTCSS Continuous tone control squelch system
DCS Digital code squelch
DEMOD Demodulation
E2PROM Electrically Erasable Programmable Read-Only Memory
HPF High-pass filter
IDC Instantaneous deviation control
IF Intermediate frequency
LED Light-emitting diode
LNA Low-noise amplifier
LPF Low-pass filter
MCU Micro control unit
MIC Microphone
MOD Modulation
MONI Monitor
PLL Phase lock loop
PTT Push-to-talk
RX Receiver
SPK Speaker
TCXO Temperature controlled crystal oscillator
TX Transmitter
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