Motorola EP450

VHF 146-174 MHz PCB 8486342Z13-C Schematic Diagrams, Overlays, and Parts Lists 6-5
HKLN4216A November 24, 2003
Chapter 6 VHF 146-174 MHz PCB 8486342Z13-C Schematic Diagrams, Overlays, and Parts Lists
RX_FE_VHF_R2
CONTROLLER
VCO_VHF_R2
TX_VHF_R2
RX_BE
SYNTH_VHF_R2
V_SF
V_STEER
VHF R2
5V
3V
5R
16_8_MHZ
3V5V
LOCK
MOD_IN
PRESC
SPI_CLK
SPI_DATA_OUT
SYNTH_CS
TRB
VCO_MOD
RSSI
5V 5R
3V5R
USWB+
5V
USWB+
V_SF
V_STEER
5T
3V
5T
PWR_SET
RX_OUT
TX_ENA
TX_INJ
USWB+
5V
BW_SEL
DEMOD
IF_IN
LOCK
MOD_OUT
PWR_SET
RSSI
SPI_CLK
SPI_DATA_OUT
SYNTH_CS
TX_ENA
USWB+
3V
5R
PRESC
RX_INJ
TRB
TX_INJ
VCO_MOD
5R
IF_OUT RX_IN
RX_INJ
5T
16_8_MHZ
3V
5R
5T
5V
BW_SEL
DEMOD
Figure 6-3. VHF (146-174 MHz) Radio Circuit Block Interconnect Diagram