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Sony BVU-950 - Page 48

Sony BVU-950
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VIDEO
SYSTEM
OUTLINE
OF
MD44
BOARD
This
board
consists
of
the
following
Y/C
signal
recording
circuits.
Its
differences
with
the
BVU-850
are
also
indicated
below.
-
Y/C
separator
with
vertical
and
_
horizontal
correlators
The
BVU-850
uses
a
glass
type
of
1H
delay
line
for
vertical
correlation,
however,
the
BVU-950
uses
a
CCD
type.
¢-
Character
insertion
circuit
Not
included
in
the
BVU-850.
AGC
amplifier
Same
circuit
configuration
as
in
the
BVU-850,
i/o
°*<°
Nonlinear
preemphasis
circuit
In
this
machine,
a
one-stage
limiter
is
used
in
the
BVU-950.
The
BVU-850
uses
a
two-stage
limiter.
¢
Preemphasis/white
&
dark
clip
Same
circuit
configuration
as
in
the
BVU-850.
*
FM
modulator
Same
circuit
configuration
as
in
the
BVU-850.
-
Record
HF
circuit
The
pulse
phase
of
RF
signal
is
shifted
in
this
circuit.
-
Sync
separator
Same
circuit
configuration
as
in
the
BVU-850.
-
ACC
amplifier
Same
circuit
configuration
as
in
the
BVU-850.
-
Frequency
converter
circuit
(AFC/APC)
Same
circuit
configuration
as
in
the
BVU-850.
-
Low-frequency
range
booster
Same
circuit
configuration
as
in
the
BVU-850.

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