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CXA1700AQ Datasheet(PDF) 6 Page - Sony Corporation

Part No. CXA1700AQ
Description  Luminance and Color Signal Processing for 8mm VCR
Download  51 Pages
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Maker  SONY [Sony Corporation]
Homepage  http://www.sony.co.jp
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CXA1700AQ Datasheet(HTML) 6 Page - Sony Corporation

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—6—
CXA1700AQ/AR
Pin
Symbol
Pin voltage
Equivalent circuit
Description
No.
DC
AC
Internal reference voltage
source. (Can not be used as
external bias for Pins other
than 4, 6, and 9.)
Outputs chroma signal that
has passed through PB C
BPF and chroma feedback
comb filter subtracter
after frequency conversion
during playback.
Connects decoupling
capacitor for limiter of the
playback Y comb block.
Outputs Y signal processed by
comb filter. During playback,
the signal is output through
the sharpness circuit. If mode
E is set High, the signal is
output without passing
through the f sc Trap; if mode
SHP THRU is set High, the
signal is output without
passing through the sharp
-ness circuit.
VCA gain adjustment in the
comb filter block. (Refer to
Adjustment Procedure.)
150
3k
11
2.5k
150
300
12
0.6mA
270
150
13
150
10k
10k
1.4mA
150
14
150
15
11 VG1
12 C TRAP
13 LIM C
14 Y COMB
OUT
15 COMB ADJ
2.05V
2.05V
2.4V
1.2V
(sync tip
level)
Control
range: 1.8V
to Vcc
Chroma
signal
300mVp-p
output during
playback
Y signal
500mVp-p
output


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