Figure 8-95. Rf Interconnects Circuit - Motorola APX 1000 Detailed Service Manual

Schematics, Boards Overlays, and Parts Lists: Transceiver (RF) Boards: UHF2 (84012432001 / PC000354A01)
V_SW_3.60
OUT
OUT
OUT
OUT
OUT
OUT
OUT
OUT
OUT
R2803
33
OUT
V_SW_3.60
OUT
V_EXT_1.85
R2810
10K
R2804
100
R2805
R2806
100
270
R2807
200
R2808
100
F2_SYNCB
R2811
LOCK_DET_A 4.7K
R2812
10K
RX_FSYNC
1
RX_DA
2
RX_CLK TX_DA
0 2
TX_FSYNC 1
TX_CLK 0
LOCK_DET
OUT
SPI_DSP<2..0>
IO
SPI_DSP_MISO 2
SPI_DSP_MOSI
1
SPI_DSP_CLK
0
V_EXT_1.85
R2813
DNP
100K
V_EXT_1.85
OUT
V_2.8_RF
OUT
TX_DA_CONN
OUT
UNSW_B+
OUT
RX_SSI<2..0>
OUT
IN TX_SSI<2..0>
UNSW_B+
V_2.8_RF
R2817
47 TX_DA
DNP
C2806
.1PF

Figure 8-95. RF Interconnects Circuit

8-201