Motorola ATS 3000

9.1-2 VHF Schematics, Board Overlays, and Parts Lists
February 14, 2012 6816985H01-F
Figure 9.1-1. Radio Interconnect Block Diagram
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ref
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102U
DOM
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FPL
002LF
CIPE
002Y
CAD
3
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2
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BOCV
052U
OC
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retliF
3LF
rex
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DN2
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2LF
C
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CP
201U
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301U
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1
0
1
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612Q
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lpmA
101U
rewoP FR
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301D
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6
01U
a
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1LF
ANL XR
1Q
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F
104U III SUCABA
O-25372-FPEAM
O
CV
Internal Mic Bias
R751, R753,
C751,
C753, C755
External Mic Bias
R750, R752,
C750, C752
C754
MUX
Pre-amp
G1 Gain
= 15 dB
Amp G2
Gain = -30
to 0 dB
CODEC
A/D 16-Bit
HPF = 200 Hz
& LPF = 3.4
kHz cutoff
CODEC_TX
CODEC_FSYNC
CODEC_DCLK
TX_SSI_FSYNC
TX_SSI_CLK
TX_DATA
3
4
MAKO_CS
SPI_MISOB
SPI_MOSIB
SCKB
EXT_MIC_P
INT_MIC_P
MAKO IC U701
RF D/A
U201
Patriot
SAP / BBP
Patriot
SPIB
ABACUS III
U401
RX_SSI_FSYNC
RX_SSI_CLK
RX_SSI_DATA
Patriot SPIB
Patriot SAP/BBP
MAKO_CS
SPI_MISOB
CODEC_RX
CODEC_DCLK
CODEC_FSYNC
VC_OUT_P
VC_OUT_M
PA_IN_M
PA_IN_P
SPI_MOSIB
SCKB
HP & LP
Filter = 22kHz,
200Hz
PA
Control
Digital
LPF = 3.4kHz
CODEC
16-Bit
D/A
G4
Preamp =
0 to 10
dB
G1 Digital
Gain = 0 or
1 dB
G3
Attenuator
= -52 to 0
dB
G5
EXT PA
=26 dB
G6
INT PA
=26 dB
MAKO IC U701
Internal
Speaker =
28 ohms
External
Speaker
3
4
3