CXA1810 Просмотр технического описания (PDF) - Sony Semiconductor

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CXA1810

Luminance and Color Signal Processing for 8mm VCR

Sony Semiconductor 

CXA1810AQ/AR

Pin

Symbol

No.

21 DL OUT1

Pin voltage

DC

AC

2.1V (center Video

DC)

500mVp-p

input

Equivalent circuit

150

21

40k

2.1V

Description

Inputs CCD DL (delay line)

output signal to VCA circuit.

22 AGC TC2 2.2V to 4.0V

—

150

22

150

Time constant for VCA circuit

in the comb filter block. A DC

limiter circuit with an upper

limit of 4.0V and a lower limit

of 2.2V is built in.

23 DL IN1

2.2V

Video

500mVp-p

output

24 COMP

High : 2.5V,

—

SYNC

Low : 0V

output

25 VCC

VCC=4.75V

—

Output for inputting a signal to

150

150

the CCD DL (delay line).

Normally, Y+C signal is

output. During playback, when

the CCD DL connected to this

23

pin is used for comb filter

1mA

processing of just the C

signal, C signal with quasi

sync is output.

Composite sync signal output.

270

No output if mode SYNC SEP

OFF is set High.

50k

24

5k

20k

20k

270

2.5V

0

1H

Main block power supply.

—8—

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