cxa1700aq Sony Electronics, cxa1700aq Datasheet - Page 4
cxa1700aq
Manufacturer Part Number
cxa1700aq
Description
Luminance And Color Signal Processing For 8mm Vcr
Manufacturer
Sony Electronics
Datasheet
1.CXA1700AQ.pdf
(51 pages)
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Pin Description
No.
Pin
1
2
3
4
5
C EMPH
CONT
MAIN
EMPH
OUT
MAIN
EMPH
TC
SUB
EMPH
TC
EMPH IN
Symbol
Control
range:
1.8V to 3.8V
2.05V (sync
tip level)
2.05V (when
time constant
connected)
2.05V (when
time constant
connected)
2.05V (sync
tip level)
DC
Pin voltage
250mVp-p
500mVp-p
Output
Input
AC
—
—
—
1
5
4
—4—
3
1mA
Equivalent circuit
150
150
100
100
100
4k
150
25µA
2
Chroma emphasis f
frequency) adjustment. (Refer
to item 7 on Description of
Operation.)
Main emphasis and main de-
emphasis time constant.
When recording, the
emphasized Y signal prior to
white/dark clipping is output.
Main emphasis and main de-
emphasis time constant. Apply
an external constant between
this pin and Pin 2, as shown
below.
HPF time constant that forms
sub emphasis and sub de-
emphasis. Add resistance
between this pin and Pin 11.
During recording, Y emphasis
input. During playback, this
signal to the noise canceler is
input. Performs diode
clamping (sync tip clamping),
with the clamp capacitance
attached externally.
VG1
11
2
Description
CXA1700AQ/AR
0
3
(center
4
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