HA12230NT
Audio Signal Processor for Cassette Deck
ADE-207-322E (Z)
6th Edition
Nov. 2000
Description
HA12230NT is silicon monolithic bipolar IC providing PB equalizer, REC equalizer system and each
electronic control switch in one chip.
Functions
• PB equalizer × 2 channel
• REC equalizer × 2 channel
• MS use Mixing Amp.
• Each electronic control switch to change tape type and mute etc.
• REC mute
• REC head return switch
• Line Amp.
• Line mute
Features
• REC equalizer is very small number of external parts, built-in 2 types of frequency characteristics
• PB equalizer circuit built-in
• REC/PB are possible with TYPE I/II
• Controllable from direct micro-computer output
• Available to reduce substrate-area because of high integration and small external parts