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.
Dolby B - NR
REC equalizer
Music sensor
Pass amp.
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.
- 70ยต - 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.
HA12204NT_HitachiSemiconductor.pdf
