HA12177 データシートの表示（PDF） - Hitachi -> Renesas Electronics

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HA12177

Audio Signal Processor for Car Deck and Cassette Deck (Dolby B/C-type NR with PB Amp)

Hitachi -> Renesas Electronics 

HA12173 Series

Audio Signal Processor for Car Deck and Cassette Deck

(Dolby B/C-type NR with PB Amp)

ADE-204-016

1st Edition

Nov. 1992

Description

HA12173 series are silicon monolithic bipolar IC providing Dolby noise reduction system*, music sensor

and PB equalizer system in one chip.

Functions

• PB equalizer

• Dolby B/C-NR

• Music sensor

× 2 channel

× 2 channel

× 1 channel

Features

• Different type of PB equalizer characteristics selection (normal/chrome or metal) is available with fully

electronic control switching built-in.

• 2 type of input selection (RADIO/TAPE) is available.

• Changeable to Forward, Reverse-mode for PB head with fully electronic control switching built-in.

• Available to change music sensing level by external resistor.

• Music sensing level selection is available with fully electronic control switching built-in.

• Available to change frequency response of music sensor.

• NR-ON/OFF and REC/PB fully electronic control switching built-in.

• 4 type of PB-out level.

• Available to allow common PCB designs with HA12163 series.

*

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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