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HA12179F fiches techniques PDF

Hitachi Semiconductor - Audio Signal Processer for Car Deck and Cassette Deck(Dolby B-type NR with PB Amp)

Numéro de référence HA12179F
Description Audio Signal Processer for Car Deck and Cassette Deck(Dolby B-type NR with PB Amp)
Fabricant Hitachi Semiconductor 
Logo Hitachi Semiconductor 





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HA12179F fiche technique
HA12179F
Audio Signal Processer for Car Deck and Cassette Deck
(Dolby B-type NR with PB Amp)
ADE-207-136
1st Edition
Apr. 1994
Description
HA12179F is silicon monolithic bipolar IC providing Dolby noise reduction system*, line mute, music
sensor and PB equalizer system in one chip.
Functions
Line mute
PB equalizer
Dolby B-NR
Music sensor
× 2 channel
× 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.
Line mute ON/OFF is available.
Changeable to Foward, 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.
Pin compatible of HA12163 series except for 4 and 39 Pins.
* Dolby is a trademark of Dolby Laboratories Licensing Corporation.
A license from Dolby Laboratories Licensing Corporation is required for the use of this IC.

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