HA12209F

• 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.
• 70-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 direct micro-computer output.
• Bias oscillator control switch built-in.
• NR ON/OFF and REC/PB fully electronic control switching built-in.
• Normal-speed/high-speed, TYPE I/TYPE II and PB equalizer fully electronic control switching built-in.
• Available to reduce substrate-area because of high integration and small external parts.
* Dolby is a trademark of Dolby Laboratories Licensing Corporation. A license from Dolby Laboratories Licensing Corporation is required for the use of this IC.

HA12209F is silicon monolithic bipolar IC providing Dolby noise reduction system*, music sensor system, REC equalizer system and each electronic control switch in one chip.