TA1272 데이터 시트보기 (PDF) - Toshiba

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TA1272

TOSHIBA BIPOLAR LINEAR INTEGRATED CIRCUIT SILICON MONOLITHIC

Toshiba 

TERMINAL FUNCTION

PIN

No.

PIN NAME

FUNCTION

1 PIF AGC1

2 PIF AGC2

This IC is adopted dual time constant

AGC circuit to improve AGC

responsibility.

To mute picture, connect 1.6 kΩ

between pin 1 and GND.

3

RF AGC Output

RF AGC output terminal

(open-collector output)

4 RF AGC Delay

Changing comparator reference

voltage adjusts RF AGC delay point.

5 PIF VCC

Connect bypass capacitor between

this terminal and PIF GND with

shortest wiring.

6 PIF Input 1

7 PIF Input 2

PIF input terminal.

Input impedance 5 kΩ (Typ.)

8 PIF GND

Connect bypass capacitor between

this terminal and PIF VCC with

shortest wiring.

TA1272AF

INTERFACE

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2001-02-28 3/17

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