Description
The HA12226F/HA12227F are silicon monolithic bipolar IC providing Dolby noise reduction system
1, music sensor system, REC equalizer system and each electronic control switch in one chip.
Dolby B-NR
2
× 2 channel
REC equalizer
× 2 channel
Features
- REC equalizer is very small number of external parts and have 4 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.
- 2 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.
HA12227F Datasheet
