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HA12209F Datasheet PDF - Hitachi -> Renesas Electronics

Part NameDescriptionManufacturer
HA12209F Audio Signal Processor for Cassette Deck (Dolby B-type NR with Recording System) Hitachi
Hitachi -> Renesas Electronics Hitachi
Other PDF  no available.
HA12209F Datasheet PDF : HA12209F pdf   
HA12209F image

Description
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.

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 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.

Functions
• Dolby B-NR × 2 channel
• REC equalizer × 2 channel
• Music sensor × 1 channel
• Each electronic control switch to change REC equalizer, bias, etc.

 

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