12136AF - Dolby B-Type Noise Reduction System

Product Overview

Hitachi Semiconductor

Part number	12136AF
Manufacturer	Hitachi Semiconductor
File Size	101.50 KB
Description	Dolby B-Type Noise Reduction System
Datasheet	12136AF Datasheet
Additional preview pages of the 12136AF datasheet.

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.

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.

Other Datasheets by Hitachi Semiconductor

Published: Apr 16, 2005 |