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13.1: Theory Overview

Laboratory Manual: Operational Amplifiers and Linear Integrated Circuits · LibreTexts

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    From LibreTexts, under CC BY-NC-SA 4.0, as the source states it; its equations are written in TeX, which the PDF shows typeset. This page at LibreTexts.

    Simple passive diode circuits cannot rectify small signals accurately. The forward bias potential of the diode acts as a constant barrier. By placing the diode inside the feedback loop of an op amp, the forward bias potential can be compensated for to a great extent. Both half-wave and full-wave circuits can be created in this fashion. Further, the addition of load capacitance can be used to create a simple envelope detector. On the downside, the frequency response of precision rectifiers is limited by the op amp(s) used.

    This page titled 13.1: Theory Overview was last modified on Mon, 22 Mar 2021 02:59:29 GMT and is shared under a CC BY-NC-SA 4.0 license and was authored, remixed, and/or curated by James M. Fiore via source content that was edited to the style and standards of the LibreTexts platform.