HA12209 Overview
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 REC equalizer Music sensor × 2 channel × 2 channel × 1 channel Each electronic control switch to change REC equalizer, bias, etc.
HA12209 Key Features
- 2 types of input for PB, 1 type of input for REC
- Dolby NR with dubbing double cassette decks. Unprocessed signal output available from recording out terminals during PB
- Provide stable music sensor system, available to design music sensing time and level
- Controllable from direct micro-puter output
- Available to reduce substrate-area because of high integration and small external parts
- Dolby is a trademark of Dolby Laboratories Licensing Corporation. A license from Dolby Laboratories Licensing Corporatio