HA12207NT
HA12207NT is Audio Signal Processor manufactured by Hitachi Semiconductor.
Audio Signal Processor for Cassette Deck
ADE-207-197B (Z) 3rd Edition Jun. 1999 Description
HA12207NT is silicon monolithic bipolar IC providing PB equalizer, REC equalizer system and each electronic control switch in one chip.
Functions
- PB equalizer
- REC equalizer
- REC MUTE
- REC head return switch × 2 channel × 2 channel
- Each electronic control switch to change REC/PB etc.
Features
- REC equalizer is very small number of external parts, built-in 2 types of frequency characteristics.
- PB equalizer circuit built-in.
- REC /PB of high speed mode are possible with TYPE 1(Normal tape).
- Controllable from direct micro-puter output.
- Available to reduce substrate-area...
