HA12170NT Datasheet - Hitachi Semiconductor

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

HA12170NT_HitachiSemiconductor.pdf