Figure 8-74. Hln5979B/ Hln5960A Controller Board Rf Interface Circuit - Motorola APX 5000 Service Manual

8-140
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Figure 8-74. HLN5979B/ HLN5960A Controller Board RF Interface Circuit

V_EXT_1.85
V_SW_3.60
R1010
10K
1
3 16.8_MHZ_SINEWAVE
5
7
9
11 R1004 100
13 R1005 100
270
15 R1006
17 R1007 200
19 R1008 100
21
F2_SYNCB
23
R1011
4.7K
LOCK_DET_A
25
27
29
31
R1003
33 33
35
37
39
R1012
10K
OUT
RF_BRD_RSTB
IN
DMCS
IN
RX_FSYNC
1
RX_DA
2
RX_CLK
0 TX_DA 2
TX_FSYNC
1
TX_CLK
0
GPS_ANT
IO
LOCK_DET
OUT
TRIDENT_SPI_CS
SPI_DSP<2..0>
IN
IO
SPI_DSP_MISO
2
SPI_DSP_MOSI
1
SPI_DSP_CLK
0
V_EXT_1.85
2
J1001
4
J1001
R1013 6
J1001
100K
8
DNP
J1001
10
J1001
12
J1001
14
J1001
16
J1001
TX_DA_CONN
18
J1001
20
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22
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24
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26
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28
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30
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32
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34
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40
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Schematics, Boards Overlays, and Parts Lists: Controller Board
OUT RX_SSI<2..0>
IN TX_SSI<2..0>
UNSW_B+
V_2.8_RF
EEPROM_SPI_CS
IN
F2_PARAMP
IN
TX_INH
IN
RF_DAC_SPI_CS
IN
ISET
IN
R1017
TX_DA
47
V_COIN_CELL
OUT
ABACUS_SPI_CS
IN
BSTAT
IO
R1018
10K
C1006
.1PF
DNP