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HA12215 - Audio Signal Processor

Description

HA12215F 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.

Features

  • REC equalizer is very small number of external parts and have 6 types of frequency characteristics 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 direct.

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Full PDF Text Transcription

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HA12215F Audio Signal Processor for Cassette Deck (Dolby B-type NR with Recording System) ADE-207-253D (Z) Target Specification 5th Edition Oct. 1999 Description HA12215F 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. A license from Dolby Laboratories Licensing Corporation is required for the use of this IC. 1 Functions • Dolby B-NR • Music sensor • Pass amp. × 2 channel × 1 channel × 2 channel • REC equalizer × 2 channel • Each electronic control switch to change REC equalizer, bias, etc.
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