Filter
Top Products
MZ3500
2) VFO
circuit configuration
READ
DATA"
—
»
h,
Phase
detector
k.
Filter
amplifier
^
Window
Data
separator
SEPARATED DATA
SEPARATED CLOCK
The VFO
circuit
has the
following capabilities.
(1)
Two
modes:
MFM and FM.
(2)
The VFO
circuit
operation
is
suspended
during
the
SYNC
field located before
the ID
field
and
data
field.
(3)
After suspention,
the VFO
circuit
will
synchronize
with
the
read
data
(timing
is
affected
by a
speed
change
in the
FDD). Fluctuations
in an
individual
bit
that
may be
seen
(peak
shift
are
ignored.
VFO
circuit
+5V
RtAD
DATA
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