CXA1700AQ 查看數據表（PDF） - Sony Semiconductor

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CXA1700AQ

Luminance and Color Signal Processing for 8mm VCR

Sony Semiconductor 

CXA1700AQ/AR

Pin

Symbol

No.

Pin voltage

DC

AC

50 D.O.PULSE High : 3.1V,

—

Low : 0V

input

51 APC FL 2.25V (typ.)

—

during lock

Equivalent circuit

Description

150

50

100k

2.05V

Drop out pulse input.

VTH = 2.05V

If the drop out pulse is input,

the signal prior to 1H is output

for the Y system and the APC

and ACC system errors are

held for the C system.

200

51

Connects an APC external

filter.

during

playback

52 AFC FL 2.25V (typ.)

—

during lock

200

52

200

Connects an AFC external

filter.

53 EXT C IN 2.6V

(Chroma

signal

314mVp-p

input

53

150

50k

2.6V

54 DCFB

2.25V (typ.)

during lock

—

200

200

54

200

During recording, the chroma

signal is input. When the

typical level is 75% color bar

input, the input signal is

314mVp-p.

Connects a DC feedback

external filter for a non-

adjustment VCO.

—13—

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