Furuno FS-1575 Service Manual page 458

FPGA
S Leve
IF AGC
RX ATT
IF Signal
NB
IF AGC
RF Gain
EM Mode
Fig. 7.6.4 Overview of Configuration of Reception/Demodulation Processing Line
RF GAIN
IF AGC
RX ATT
IF Signal
EM Mode
Fig. 7.6.5 Overview of Received DSC/NBDP Signal Processing within DSP
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IF
Demodulation S Level
BPF
SSB/AM Detect
FPGA
FSK
IF
Demodulation
IF AGC
BPF
NBDP/DSC
7-58
SQ Gain
NR AGC
NF
DSP
S Level
Detect
Base Band Signal
Digital Signal
Symbol
Demod
7.6 T-CPU
DSP
Voice SIgnal
LPF
Signal Level