HA12141NT, HA12142NT, HA12170NT, HA12161FP, HA12162FP
Dolby B- and C-Type Noise Reduction System
ADE-207-036B (Z) 3rd Edition Jun. 1999 Description
HA12141/142NT, HA12170NT, HA12161/162FP are silicon monolithic bipolar IC series providing dual channel Dolby B- and C-type noise reduction* in one chip.
Functions
Dual Dolby B/C-type NR processor NR OFF/B/...