BR200DV/BR300DV
Service Manual
69
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
)
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 Compensated Crystal Oscillators
)
TX
(
transmitter
)
UL (un-lock)
VCO
(
voltage control oscillator
)
Содержание BR200DV
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Страница 17: ...BR200DV BR300DV Service Manual 17 Exploded View of the Parts ...
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Страница 35: ...BR200DV BR300DV Service Manual 35 Chapter 6 PCB Layout ...
Страница 38: ...MIC1 C5 D4 D5 D8 C4 C3 R1 D2 D3 D6 C7 C8 C9 J1 D1 D9 C2 D7 C6 C13 C1 ...
Страница 72: ...BR200DV BR300DV Service Manual 68 Chapter 10 Block and Schematic ...