Datasheet > 12136AF

12136AF

更新时间： 2022-11-27 02:23:15

品牌	Logo	应用领域
日立 - HITACHI		/
页数	文件大小	规格书
27页	102K
描述
Dolby B-Type Noise Reduction System

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12136AF 数据手册

HA12134A, HA12135A, HA12136A

Dolby B-Type Noise Reduction System

ADE-207-016B (Z)

3rd Edition

Jun. 1999

Description

The HA12134A, HA12135A, HA12136A are silicon monolithic bipolar IC series providing dual channel

Dolby B-type noise reduction system* in one chip. The circuit is used primarily to reduce the level of

background noise introduced during recording and playback of audio signals on magnetic tape.

HA12134A series provide the following functions and features.

Functions

•

Dual Dolby B-type NR processor

NR ON/OFF control switch.

Record (encode)/playback (decode) control switch.

Features

•

Separate record/playback input and output.

Unprocessed signal output available in the encode and decode modes.

Reduction of external components count.

•

Small capacitor value for the reference voltage.

NR ON/OFF switching and REC/PB switching are provided internally.

2-type package (DP-16, FP-16DA)

Wide range of operating supply voltage.

* Dolby is a trademark of Dolby Laboratories Licensing Corporation.

A license from Dolby Laboratories Licensing Corporation is required for the use of this IC.

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