Fujitsu M2361A Customer Engineering Manual page 167

.WGCTL _ _ _ _
I
~
!.S"S - 3.2"S
NSQHG - - - - -.....
1
AGCIN-~M1VWVWVV\f1\IV\MJWJJ
LPF OUT
-------<
;. 2.0Vp-p
Figure 4.6.32 AGC Squelch Function
The Address Mark (AM) which is four-bytes area is used for indicating the
beginning of record. (Refer to Figure 4.6.33).
AMGeL--------------....I
AGe
OUTPUT
n
n
I
n
ft
n
n n
\ u u ~ ~
~
f
2.0V pop
n
\.
u
\
I.
3 Bytes
DC~rased
J
Figure 4.6.33 AM Enable on Read Signal
R
A
n
\ u
The AGC output signal is applied to Pulses Shaper which is the
analog-to-digital convertor circuit.
The block diagram is shown in Figure 4.6.34.
L
~
R
~
~
u \
The output of Pulse Shapter which is Raw Data (RAWD), is sent to the VFO
circuit.
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