Figure 9.2-19. Pmle2537A/ Pmle2537D/ Pmle2537F/ Pmle2537G Frequency Generation Unit (Fgu) And Digital To Analog Converter (Dac) Schematic - Motorola XTS 2500 Service Manual

9.2-20
RX_OSC
TXRF_OUT
ANA-3V
XCVR_5V
SC_FILT_EN

Figure 9.2-19. PMLE2537A/ PMLE2537D/ PMLE2537F/ PMLE2537G Frequency Generation Unit (FGU) and Digital to Analog Converter (DAC) Schematic

February 14, 2012
VCO
AUX2
PRES_IN
RX_LO_IN AUX3
TXRF_OUT VCTRL
4.6VSF_OUT
UHF1 Schematics, Board Overlays, and Parts Lists
SYNTHESIZER
AUX2 SYN_SEL
PRES_IN LOCK
AUX3 SPI_DATA
VCTRL SPI_CLK
4.6VSF_OUT 16.8MHZ
ANA_3V VMULT1
F5V_IN MODIN
DAC
ANA_3V MODIN
SC_FILT_EN VMULT1
TX_SSI_Clk
TX_SSI_FSYNC
TX_SSI_DATA
SYN_SEL
LOCK_DET_H
MOSI
FLCK
16.8Mhz_OSC_2
TX_SSI_CLK
TX_SSI_FSYNC
TX_SSI_DATA
6816985H01-F