Wien bridge oscillator
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United States of America Patent
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Apr 3, 2018
Grant Date -
Dec 22, 2016
app pub date -
Aug 30, 2016
filing date -
Sep 8, 2014
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Abstract
An oscillator circuit that includes a Wien bridge oscillator circuit, a full-wave rectifier circuit, coupled to an output of the Wien bridge oscillator circuit, an integrator circuit, coupled to an output of the full-wave rectifier circuit, and a multiplier circuit. The multiplier circuit may include a first input coupled to the output of the Wien bridge oscillator circuit, and a second input, coupled to an output of the integrator, wherein the multiple signals are configured to provide dynamic gain control to the Wien bridge oscillator circuit.
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