LA75675M-S 데이터 시트보기 (PDF) - SANYO -> Panasonic

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LA75675M-S

VIF/SIF IF Signal-Processing Circuit that Supports NTSC Intercarrier for TV and VCR Products

SANYO -> Panasonic 

Continued from preceding page.

Pin No.

Pin

LA75675M-S

Function

IF AGC filter connection

15

The AGC voltage is created by smoothing the signal

16

AGC filter

that results from peak detection by the AGC detector

at pins 17 (first AGC), and 15 and 16 (second AGC).

17

The video signal input to this IF AGC detector is a

signal that was passed through the audio trap circuit.

Equivalent circuit

15

16 6.8 kΩ

17

35 kΩ

A12630

18

VIF amplifier input

The input circuit is a balanced input, and its input

18

VIF input

impedance is due to the following component values.

19

19

R ≈ 1.5 kΩ

C ≈ 3 pF

20

GND

A12631

Continued on next page.

No. 6276-10/13

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