AN7289 데이터 시트보기 (PDF) - Panasonic Corporation

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AN7289

FM-FE+AM IC for car radio

Panasonic Corporation 

ICs for FM/AM Tuner

AN7289NSC

FM-FE+AM IC for car radio

s Overview

The AN7289NSC is an IC having FM-FE+AM

functions for car radio. A tuner block of car radio

can be constructed by combination of this IC and

the AN7293NSC / NFBQ.

s Features

• A less number of electrolytic capacitors is required

(3 capacitors reduction compared with our con-

ventional IC)

• AM: Practical sensitivity is improved by 2 dB by

ATC

• AM: Strong input characteristics is improved by

2-loop AGC function

s Applications

• Car radios

17.81±0.3

32

17

1

16

1.23

0.35±0.1

1.0

Seating plane

SSOP032-P-0375

Unit: mm

0.15

s Block Diagram

FE

AM

FM

OSC

OSC

AGC

FM

FM/AM SW mix.

AM

RF-AGC

AM.S-meter

AM

AM

AM

AM

ATC IF-AGC det.

SSC

AM

IF-amp.

AM

mix.

FM

IF-amp.

1

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