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ADE-207-221A

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Abstract: HA12209F Audio Signal Processor for Cassette Deck (Dolby B-type NR with Recording System) ADE-207-221A (Z) 2nd Edition Jun. 1999 Description HA12209F is silicon monolithic bipolar IC providing Dolby noise reduction system*, music sensor system, REC equalizer system and each electronic control switch in one chip. Functions · Dolby B-NR × 2 channel · REC equalizer × 2 channel · Music sensor × 1 channel · Each electronic control switch to change REC equalizer, bias, etc. Features Hitachi Semiconductor
Original
PIR SENSOR 750 s 315HZ 125KHZ LPF HA12209 Hitachi DSA00304 D-85622
Abstract: HA12209F Audio Signal Processor for Cassette Deck (Dolby B-type NR with Recording System) ADE-207-221A (Z) 2nd Edition Jun. 1999 Description HA12209F is silicon monolithic bipolar IC providing Dolby noise reduction system*, music sensor system, REC equalizer system and each electronic control switch in one chip. Functions · · · · Dolby B-NR × 2 channel REC equalizer × 2 channel Music sensor × 1 channel Each electronic control switch to change REC equalizer, bias, etc. Features · Hitachi Semiconductor
Original
Hitachi DSA00231 IC for cassette deck