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HA12204NT Datasheet Audio Signal Processor

Manufacturer: Hitachi Semiconductor (now Renesas)

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General Description

HA12203NT is silicon monolithic bipolar IC providing Dolby noise reduction system* , music sensor system, REC equalizer system and each electronic control switch in one chip.

Note: 1.

Dolby is a trademark of Dolby Laboratories Licensing Corporation.

Overview

HA12203NT/HA12204NT Audio Signal Processor for Cassette Deck (Dolby B-type NR with Recording System) ADE-207-222B Target Specification 3rd Edition Jun.

Key Features

  • REC equalizer is very small number of external parts and have 6 types of frequency characteristics 3 built-in.
  • 2 types of input for PB, 1 type of input for REC.
  • 70µ - PB equalizer changing system built-in.
  • Dolby NR with dubbing double cassette decks. Unprocessed signal output available from recording out terminals during PB mode.
  • Provide stable music sensor system, available to design music sensing time and level.
  • Controllable from.

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