HA12219 Overview
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.
HA12219 Key Features
- REC equalizer is very small number of external parts, built-in 2 types of frequency characteristics
- REC /PB are possible with TYPE I/II
- Controllable from direct micro-puter output
- Available to reduce substrate-area because of high integration and small external parts
- B Return SW OFF REC Mute ON REC-EQ
- TYPE I Mid
- A Return SW ON REC Mute ON
- A Return SW ON REC Mute OFF REC-EQ
- TYPE II