Datasheet > BA1451

BA1451

更新时间： 2024-11-10 22:39:23

品牌	Logo	应用领域
罗姆 - ROHM		/
页数	文件大小	规格书
8页	137K
描述
AM radio / FM IF stereo system IC

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BA1451 数据手册

BA1451F

Audio ICs

AM radio / FM IF stereo system IC

BA1451F

The BA1451F is a tuner system IC for electronic tuning for AM radios, FM IF, and MPX. It has been developed for HiFi

component applications.

The MPX VCO circuit requires no adjustment, which will enable a reduction in the number of production line processes.

In particular, the laser lock technique used in the VCO means that no external adjustment is required.

!Applications

Synthesized tuner for HiFi components.

!Features

1) Built-in AM monaural radio, FM IF amplifier/detector, and FM stereo demodulator.

2) DTS (both SD and IF count) compatible.

3) Built-in reference voltage power supply provides good shortwave band frequency stability.

4) Good FM stability.

5) The FM MPX VCO uses laser locking making adjustment and external components unnecessary.

6) Built-in forced monaural operation function for MPX (VCO stops, and LED goes off).

7) Low cutoff of audio is possible to improve AM fidelity.

8) MPX VCO stops in AM mode.

9) Audio muting is possible when an IF request is made.

!Block diagram

AM IF

OSC

MIX

Vreg

DET

AGC

1/2

DET

VCO

LED

DRIVER

DECODER

COMP

DET

Vcc

GND

12 3 4 5 6 7 8

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