The more recent approaches toward the implementation of voltage-controlled amplifiers have employed log-antilog conversion techniques. Presented in this paper is an electronic gain control circuit which uses such techniques and is well suited for monolithic integration into a low-cost integrated circuit. The various considerations affecting such parameters as control voltage feedthrough, distortion, noise, and bandwidth are discussed. Finally, a potential application in a voltage-controlled shelving equalizer is given.
Curtis, Douglas R.
Affiliation: Interdestgn, lnc , Sunnyvale, CA
JAES Volume 24 Issue 2 pp. 93-102; March 1976
Publication Date: March 1, 1976
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