Audio Signal Processor for Cassette Deck

Description HA12219NT is silicon monolithic bipolar IC providing PB equalizer, REC equalizer system and each electronic control switch in one chip. Functions • PB equalizer × 2 channel • REC equalizer × 2 channel • Each electronic control switch to change REC/PB etc. • REC MUTE • REC head r

文件：169.93 Kbytes 页数：29 Pages

HITACHIHitachi Semiconductor

日立日立公司

Audio Signal Processor for Cassette Deck

Description\nHA12219NT is silicon monolithic bipolar IC providing PB equalizer, REC equalizer system and each electronic control switch in one chip.Functions\n• PB equalizer × 2 channel\n• REC equalizer × 2 channel\n• Each electronic control switch to change REC/PB etc.\n• REC MUTE\n• REC head retur • REC equalizer is very small number of external parts, built-in 2 types of frequency characteristics.\n• PB equalizer circuit built-in.\n• REC /PB are possible with TYPE I/II.\n• Controllable from direct micro-computer output.\n• Available to reduce substrate-area because of high integration and sm;

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