COMPR_ESSOR_LIMITER

Published:2009/6/29 22:33:00 Author:May | From:SeekIC

High-fidelity circuit uses voltage-controlled attenuator to increase attenuation of input signal in response to voltage of control loop. Designed for use in modern sound studios. Output-sensing amplifier using IC1 has gain of 19 over audio band. Tr2 stage is phase-splitterdriving precision rectifiers IC2 and IC3. Final part of circuit defines attenuation time constants; R26 sets attack time and R27 decay time. R26 can range from 0 to 1 megohm and R27 from 1000 ohms to infinity, using either switched or variable components. Article describes circuit operation and adjustment in detail. Tr6 is BC184L or equivalent.-D. R. Self, High-auality CompressoriLimiter, Wireless World, Dec. 1975, p 587-590.



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