Motorola CP040 - Page 445

UHF3 PCB 8416846H01-A/-B Schematic Diagrams 3-55
Chapter 1 UHF 490-527 MHz Schematic Diagrams, Overlays, and Parts Lists (8416846H01-A/B)
CONTROLLER
RX_BE
SYNTH_UHF_R3
TX_UHF_R3
VCO_UHF_R3
RX_FE_UHF_R3
RX_IN
JNI_XR
RX_OUT
TX_ENA
JNI_XT
+BWSU
V3
R
5
PRESC
RX_INJ
TRB
TX_INJ
VCO_MOD
V_SF
V_STEER
R5
IF_OUTIF_IN
RSSI
16_8_MHZ
V3 V
5
LOCK
MOD_IN
PRESC
SPI_CLK
SPI_DATA_OUT
SYNTH_CS
TRB
VCO_MOD
V_SF
V_STEER
T5
PWR_SET
5R
USWB+
5V
5R 3VUSWB+
V5
BW_SEL
DEMOD
SPI_DATA_OUT
SYNTH_CS
TX_ENA
+BWSU
3V
5T
5T
5V 5R
3V
5V
16_8_MHZ
V
3
R
5
T
5
V
5
BW_SEL
DEMOD
LOCK
MOD_OUT
PWR_SET
RSSI
SPI_CLK
5V
UHF3 (490-527 MHz) Radio Circuit Block Diagram PCB No. 8416846H01-A/-B