Description HA12219NT 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 • Each electronic control switch to change REC/PB etc. • REC MUTE • REC head return switch
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.