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CXA1702AR Datasheet(Fiches technique) 6 Page - Sony Corporation

Numéro de pièce CXA1702AR
Description  4-channel REC/PB Amplifier for 8 mm VCR
Télécharger  24 Pages
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Fabricant  SONY [Sony Corporation]
Site Internet  http://www.sony.co.jp
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CXA1702AR Datasheet(HTML) 6 Page - Sony Corporation

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CXA1702AR
21 XHRFSWP H: 2.3V
or more
L: 0.6V or
less input
22
RFSWP H: 2.3V
Same as for Pin 21
or more
L: 0.6V or
less input
23
REC2B
H: 2.3V
Same as for Pin 21
or more
L: 0.6V or
less input
24
REC2A
H: 2.3V
Same as for Pin 21
or more
L: 0.6V or
less input
25
REC1B
H: 2.3V
Same as for Pin 21
or more
L: 0.6V or
less input
26
VCC
4.75V
27
REC1A
H: 2.3V
Same as for Pin 21
or more
L: 0.6V or
less input
28
RAMP
H: 2.3V
Same as for Pin 21
or more
L: 0.6V or
less input
29
MTQ
1.8V to
4.75V
input
Input pin for 1/2RFSWP signal.
Input pin for RFSWP signal.
Goes L during recording and
turns on 2Bch recording amplifier
output bias current.
Goes L during recording and
turns on 2Ach recording amplifier
output bias current.
Goes L during recording and
turns on 1Bch recording amplifier
output bias current.
Power supply pin for main blocks
excluding recording and head
amplifiers.
Goes L during recording and
turns on 1Ach recording amplifier
output bias current.
Goes H during after-recording
and turns on recording amplifier
output bias current.
EVR adjusting pin for middle tune
Q. Increasing the input voltage
increases Q.
Pin
Symbol
Pin voltage
Equivalent circuit
Description
No.
DC
AC
140
37.5k
270
40µ
2.9V
40µ
12.5k
1.8V
29
140
2.15V
35µ
21


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