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.