Motorola CP040 Detailed Service Manual page 333

UHF2 PCB 8416205H02-C/-D Schematic Diagrams
USWB+ 5V 5T 5R
CONTROLLER
3V
TX_ENA
PWR_SET
DEMOD
BW_SEL
RSSI
5V
MOD_OUT MOD_IN
16_8_MHZ 16_8_MHZ
SYNTH_CS SYNTH_CS
SYNTH_UHF_R2
SPI_CLK SPI_CLK
SPI_DATA_OUT SPI_DATA_OUT
LOCK LOCK
5V 5R
DEMOD
RX_BE
BW_SEL IF_IN
RSSI
3V 5R
PRESC PRESC
V_STEER V_STEER
VCO_UHF_R2
V_SF V_SF
VCO_MOD VCO_MOD
TRB TRB
5R
RX_FE_UHF_R2
IF_OUT RX_IN
3V
5V
RX_INJ
TX_INJ
UHF2 (438-470MHz) Radio Circuit Block Diagram PCB No. 8416205H02-C/-D
3-23
USWB+ 5T
TX_ENA
TX_UHF_R2
PWR_SET
RX_OUT