HA12169FB Overview
HA12167FB/HA12169FB is silicon monolithic bipolar IC providing REC volume system, Level meter system and Dolby noise reduction system in one chip. Functions REC equalizer Equalizer volume Dolby B/C NR REC/PB input electronic volume Level Meter DAC for adjusting bias × 2 channel × 2 channel × 2 channel × 2 channel × 2 channel × 2 channel.
HA12169FB Key Features
- Available to create characteristics of REC equalizer by changing external resistor, no coil
- Equalizer volume is available to calibrate recording automatically with micro-controller
- Electronic volume built-in is available to set the level of recording and play back automatically with micro-controller
- 4 types of input (3 out of 4 are by way of electronic volume)
- Input electronic control switching is irrelevant to REC/PB electronic control switching
- Dolby noise reduction system is available with double cassette decks (Unprocessed signal output available from recording
- Log-pressed level meter output is range from 0 V to 5 V (Usable as music search switchable gain of 0 dB and 20 dB respec
- Reduction of the number of pins by transfered serial data to electronic volume control switching and another control swi
- Small the number of external parts
- Dolby is a trademark of Dolby Laboratories Licensing Corporation. A license from Dolby Laboratories Licensing Corporatio