Description
HA12192F/HA12197F/HA12212F series are silicon monolithic bipolar ICs providing Dolby noise reduction system
, music sensor, PB equalizer system in one chip.
PB equalizer × 2 channel
Music sensor × 1 channel
Decode only Dolby B-NR × 2 channel
Note: HA12197F series is not built in Dolby B-NR.
Features
- Different type of PB equalizer characteristics selection (120µ / 70µ position) is available with fully electronic control switching built-in.
- Changeable to Forward, Reverse-mode for PB head with fully electronic control switching built-in.
- Available to change music sensing level by external resistor.
- Available to change frequency response of music sensor by external capacitor.
- NR ON/OFF fully electronic control switching built-in. (HA12192F/HA122.
HA12199F Datasheet
