HA12173
Description
HA12173 series are silicon monolithic bipolar IC providing Dolby noise reduction system- , music sensor and PB equalizer system in one chip.
Functions
- PB equalizer
- Dolby B/C-NR
- Music sensor × 2 channel × 2 channel × 1 channel
Features
- Different type of PB equalizer characteristics selection (normal/chrome or metal) is available with fully electronic control switching built-in.
- 2 type of input selection (RADIO/TAPE) is available.
- Changeable to Forward, Reverse-mode for PB head with fully electronic control switching built-in.
- Available to change music sensing level by external resistor.
- Music sensing level selection is available with fully electronic control switching built-in.
- Available to change frequency response of music sensor.
- NR-ON/OFF and REC/PB fully electronic control switching built-in.
- 4 type of PB-out level.
- Available to allow mon PCB designs with HA12163 series.
- Dolby is a trademark of Dolby Laboratories Licensing Corporation. A...
