Motorola CP150TM - Manual (Page 219)

UHF (438-470 MHz) Schematic Diagrams, Overlays, and Parts Lists (8486348Z13-C) 12-37
6880309N62-C June, 2005
Chapter 12 UHF (438-470 MHz) Schematic Diagrams, Overlays, and Parts Lists (8486348Z13-C)
CONTROLLER
RX_FE_UHF_R2
SYNTH_UHF_R2
TX_UHF_R2
VCO_UHF_R2
RX_BE
IF_IN
RSSI
RX_OUT
TX_ENA
TX_INJ
USWB+
3V 5R
PRESC
RX_INJ
TRB
TX_INJ
VCO_MOD
V_SF
V_STEER
5V
BW_SEL
DEMOD
RX_INJ
16_8_MHZ
3V 5V
LOCK
MOD_IN
PRESC
SPI_CLK
SPI_DATA_OUT
SYNTH_CS
TRB
VCO_MOD
V_SF
V_STEER
5T
PWR_SET
5R
USWB+
5V
5R 3V USWB+
5R
IF_OUT RX_IN
SPI_CLK
SPI_DATA_OUT
SYNTH_CS
TX_ENA
USWB+
3V
5T
5T
5V 5R
3V
5V
16_8_MHZ
3V 5R 5T 5V
BW_SEL
DEMOD
LOCK
MOD_OUT
PWR_SET
RSSI
Figure 12-27. UHF (438-470 MHz) Radio Circuit Block Diagram (8486348Z13-C)