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A Monolithic Voltage-Controlled Amplifier Employing Log-Antilog Techniques

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.

Author: Curtis, Douglas R.
Affiliation: Interdestgn, lnc , Sunnyvale, CA
JAES Volume 24 Issue 2 pp. 93-102; March 1976 Import into BibTeX

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