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HA12174 - Audio Signal Processor

This page provides the datasheet information for the HA12174, a member of the HA1 Audio Signal Processor family.

Datasheet Summary

Description

HA12173 series are silicon monolithic bipolar IC providing Dolby noise reduction system

, music sensor and PB equalizer system in one chip.

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.

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Datasheet preview – HA12174

Datasheet Details

Part number HA12174
Manufacturer Hitachi Semiconductor
File Size 1.09 MB
Description Audio Signal Processor
Datasheet download datasheet HA12174 Datasheet
Additional preview pages of the HA12174 datasheet.

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Full PDF Text Transcription

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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.
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