BASF 6106 - Page 37

MC 3470
FROM
»__
COMPARA-
TOR
L_.
PULS
GEN
+
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J
Q-
os
TIME
DOMAIN
ONE SHOT
D
Q
FF
S
Q
I
rih
PIDIfl
OS
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OUTPUT
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TIME DOMAIN
CROSSOVEH
-
FF
DETECTOR
|
PI
CURL
2
-
39 .
TIMfc
DOMAIN
FILTER
AND
CROSSOVER
DiiTLCTOR
Timing
Diagram
Read
Circuits
Fig-
2
-
40
is a
timing
diagram
of
the
whole
read
circuit
and
illustrates
the
function
of
the
different
parts.
MAGNETIC
TRACK
DATA
IHiAD
SIGNAL
MPF.RLAD
S1GNAL-
COMPARATOR
OUTPUT
PULS
Cl-N.
TIME
DOMAU'-OS
TIMI-
DOMAIN-1-I-
CROSSOVER
DET.
READ DATA
/
mJKLmmmmmmmmmmmmmmMMmm
FIGURE
2
-
40
.
TIMJNC
DIAGRAM
READ
CIRCUITS