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Motorola APX 6000 Service Manual

Motorola APX 6000
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3-4 Theory of Operation: Transceiver Board
Figure 3-3. Transceiver (UHF1 and UHF2) Block Diagram (Power and Control Omitted)
Figure 3-4. Transceiver (7/800) Block Diagram (Power and Control Omitted)
FGU
Transmitter
Receiver
SP3T
Atten
GPS
2nd
LO
Digital
RF Atten
SP3T Rf Switch
coupler
Rev
Power
Detector
Log
Amp
FET
UHF
TRIDENT IC
LOGIC
EXPANDER
LOOP
FILTER
PRESCALAR
BUFFER
RX SSI Data
16.8MHz
BUFFER
PRE
BUFFER
TX LO
RX LO
TX
BUFFER
UHF TX
UHF RX
*
16.8MHz
RX SSI Clock
RX SSI Frame Sync
Indicates Sub-shield
UHF LNA
Mixer
Harmonic
Filter
Driver
Amplifier
*
Abacus
GPS
SP2T
Aux
FGU
Transmitter
Receiver
SP3T
Atten
GPS
2nd
LO
Digital
RF Atten
SP3T Rf Switch
coupler
Rev
Power
Detector
Log
Amp
FET
7/800
TRIDENT IC
LOGIC
EXPANDER
LOOP
FILTER
PRESCALAR
BUFFER
RX SSI Data
16.8MHz
BUFFER
PRE
BUFFER
TX LO
RX LO
TX
BUFFER
7/800 TX
7/800 RX
*
16.8MHz
RX SSI Clock
RX SSI Frame Sync
Indicates Sub-shield
7/800 LNA1
LNA2
700
800
Mixer
Harmonic
Filter
Driver
Amplifier
*
Abacus
SP2T
Aux

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Motorola APX 6000 Specifications

General IconGeneral
BrandMotorola
ModelAPX 6000
CategoryTwo-Way Radio
LanguageEnglish

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