Figure 11-30. Uhf (465-495 Mhz) Radio Circuit Block Diagram - Motorola EP450 Service Manual

UHF 465-495 MHz PCB 8486634Z02 Schematic Diagrams, Overlays, and Parts Lists
Chapter 11 UHF 465-495 MHz PCB 8486634Z02 Schematic Diagrams, Overlays, and Parts Lists
USWB + 5V 5T 5R 3V
5V 5T 5R 3V
USWB+
TX_ENA
PWR_SET
DEMOD
CONTROLLER
BW_SEL
RSSI
MOD_OUT
16_8_MHZ
SYNTH_CS
SPI_CLK
SPI_DATA_OUT
LOCK
HKLN4216A
UHF R3
DEMOD
RX_BE
BW_SEL
RSSI
5V 3V
5V 3V
MOD_IN
PRESC
16_8_MHZ
V_STEER
SYNTH_CS
SYNTH_UHF_R3
V_SF
SPI_CLK
VCO_MOD
SPI_DATA_OUT
TRB
LOCK
5V 5R
5V
RX_FE_UHF_R3
IF_IN IF_OUT
RX_INJ
5R 3V
3V
5R
PRESC
RX_INJ
VCO_UHF_R3
V_STEER
V_SF
VCO_MOD
TX_INJ
TRB

Figure 11-30. UHF (465-495 MHz) Radio Circuit Block Diagram

USWB +
5T
USWB 5T
TX_ENA
TX_UHF_R3
PWR_SET
RX_IN RX_OUT
TX_INJ
November 24, 2003
11-41