HA12170NT - Dolby B- and C-Type Noise Reduction
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/C control switch * MPX by-pass / Encode / Decode (MPX OFF / R
HA12170NT Features
* Low external parts count
* R-C spectrum skewing network using passive component
* External capacitors are E-3 series (small values)
* Several time constant capacitors built into the IC
* Separate REC/PB input and output. Unprocessed signal output available i
