CXA1810 データシートの表示（PDF） - Sony Semiconductor

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CXA1810

Luminance and Color Signal Processing for 8mm VCR

Sony Semiconductor 

CXA1810AQ/AR

Pin

Symbol

No.

16 AGC TC3

Pin voltage

DC

AC

2.2V to 4.0V

—

Equivalent circuit

150

16

150

Description

Time constant for VCA circuit

in comb filter block. A DC

limiter circuit with an upper

limit of 4.0V and a lower limit

of 2.2V is built in.

17 DL IN2

2.2V (when

resistance

connected)

Video

500mVp-p

output

150

150

Connection for inputting the

playback Y signal to the CCD

DL in a system using two CCD

delay lines. When using this

17 pin, connect 2.2kΩ resistance

to GND.

18 CLAMP

—

TC3

—

150

18

150

Time constant for feedback

clamp circuit in the comb filter

block.

19 DL OUT2

2.1V (center Video

DC)

500mVp-p

input

150

19

40k

Inputs CCD DL (delay line)

output signal to the VCA

circuit.

2.1V

20 CLAMP

—

TC2

—

150

20

150

Time constant for feedback

clamp circuit in the comb filter

block.

—7—

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