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
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Line mute
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PB equalizer
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Dolby B-NR
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Music sensor
脳
2 channel
脳
2 channel
脳
2 channel
脳
1 channel
Features
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Different type of PB equalizer characteristics selection (normal/chrome or metal) is available with fully
electronic control switching built-in.
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Line mute ON/OFF is available.
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Changeable to Foward, Reverse-mode for PB head with fully electronic control switching built-in.
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Available to change music sensing level by external resistor.
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Music sensing level selection is available with fully electronic control switching built-in.
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Available to change frequency response of music sensor.
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NR-ON/OFF and REC/PB fully electronic control switching built-in.
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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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