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.