LC73862 데이터 시트보기 (PDF) - SANYO -> Panasonic

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LC73862

DTMF Receiver LSI

SANYO -> Panasonic 

Equivalent Block Diagram

LC73861, LC73862

Bias

genera-

tor

Anti-aliasing

filter

Dial-tone

filter

Timing

generator

High-fre-

quency

group

bandpass

filter

Low-fre-

quency

group

bandpass

filter

Fre-

quency

detector

Fre-

quency

detector

Test Circuit / Sample Application Circuit

Output

signal

control

circuit

Shift

register

No.4431-4/5

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