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WIEN_BRIDGE_AF_RF

2016-05-18 09:59  
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WIEN_BRIDGE_AF_RF
Single JFET in basic Wien-bridge circuit drives Texas Instruments linear opamp serving as output stage. Feedback path from output of ICto base of JFET stabilizes output and provides temperature compensation. Dual pot in bridge circuit serves for frequency control, Circuit performs well as either AF or RF oscillatordepending on values used for R and C.-E. M. Noll, FET Prinqiples, Experiments, and Projects, Howard W. Sams, Indianapolis, IN, 2nd Ed., 1975, p 213-214.