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NOISE REDUCTION PROCESSOR circuit

NOISE REDUCTION PROCESSOR circuit DOLBY B-TYPE NOISE REDUCTION PROCESSOR KA2271 DOLBY B-TYPE NOISE REDUCTION PROCESSOR KA2271 The KA2271 is a monolithic integrated circuit designed for use in Dolby* B-type reduction systems. FEATURES Few external components Low quiescent circuit current (Typ Iccq=4.3mA) High crosstalk rejection ratio. Built-in NR-switch, REC/PB-switch. Recommended supply voltage: Vcc=8V~16V.

VU Meter Schematic

meter circuits VU Meter Schematic using 78L05, AD8313, LM324

How to Make 150W Power amp ?

How to Make 150W Power amp This power amp has a power output of 150 W (8 ohms) or 200 W (4 ohms) Voltage supply + / – 52v and 1.5 V input sensitivity If you want 150W Power Make perfect audio amps choose good quality components

LM3915

LM3915 Audio level led indicator circuit diagram

Making Intercom home circuit

Intercom home circuit using TR C828 and IC TDA2003 Intercom home circuit using TR C828 and IC TDA2003

kit power class d 3000w

  Here to look Power Class D kit price

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