Functional unit description
VHF 5000 System
1-2
0608
1.1.1
RF Board
Pwr
det.
Pwr
regulator
Tx
1/25
Watt
Tx AF from
DSP
Synth.
Control
TX Lock
Det.
Buffer
VCO
PLL
Sw
PA
LP
8 V
TX
RX/TX
SW
Rx
Telephony
RX/TX
Rx AF to
DSP
2. IF System IC
2. Mixer IF AMP
Ceramic filters
Limiter 450KHz
Filter
45 MHz
IF1
AMP
IF1
lexer
Dip-
Mix
First
BP
LNA
BP
LO1
201.025 -
207.025 MHz
Buffer
VCO
PLL
44.55MHz
Tripler
LO2
44.55
MHz
Synth.
Control
RX Lock
Det.
TCXO
14.85MHz
VCO
PLL
Buffer
Dubler
29.7MHz
29.7MHz
LO2
1LO 126.375
MHz
DSC
Antenna
BP
LNA
BP
First
Mix.
3dB
Att.
IF1
AMP
IF1Filter
30.15MHz
2. IF System IC
2. Mixer IF AMP
Ceramic filters
Limiter 450KHz
DSC
AF
to
DSP
Rx
DSC
40342
RF
Board
Summary of Contents for RT5022
Page 2: ......
Page 4: ...VHF 5000 System 0930 ...
Page 16: ...Maintenance VHF 5000 System 2 2 ...
Page 70: ...Feature sales VHF 5000 System 4 2 ...
Page 82: ...Installation VHF 5000 System 5 12 0608 ...
Page 83: ...VHF 5000 System Installation 5 13 0608 ...
Page 84: ......