HA12211NT
Audio Signal Processor for Cassette Deck (Deck 1 Chip)
ADE-207-223A (Z)
2nd. Edition
June 1997
Description
HA12211NT is silicon monolithic bipolar IC providing REC equalizer system, PB equalizer system and
each electronic control switch in one chip.
Functions
•
PB equalizer
×
2 channel
•
REC equalizer
×
2 channel
•
Each electronical control switch to change equalizer characteristics
•
REC mute
•
REC head return switch
Features
•
REC equalizer is very small number of external parts.(4 types of frequency characteristics built-in)
•
PB equalizer built-in. (A/B input changing system, 4 types of frequency characteristics)
•
Independent PB sensitivity for A deck, B deck.
•
Normal-speed/high-speed, normal tape/chrome tape switching built-in.
•
Controllable from direct micro-computer output.
•
Available to reduce substrate-area because of high integration and small external parts.
HITACHI [ HITACHI SEMICONDUCTOR ]
