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Original Articles

One Operational Amplifier Simulates Third Order Systems with a Lead and a Time Constant

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Pages 281-287 | Received 11 May 1962, Published online: 21 Aug 2015
 

Abstract

The paper outlines a method for the simulation of third order linear systems with only one operational amplifier.

A particular class of the general third order systems, that is, systems with a lead and a time constant, is considered in this paper.

A basic circuit consisting of one operational amplifier, three capacitors and six resistors is presented. The circuit is analysed and the conditions of physical realizability discussed and obtained. The design formulae and procedure are also given.

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