PERFECT_CAPACITOR

Published:2009/7/10 21:22:00 Author:May | From:SeekIC

Simple circuit shown provides equivalent of perfect no-loss 1000-pF capacitor at frequencies below about 100 kHz.Principle can be used to construct fixed-fre-quency capacitance standards for use in high-accuracy capacitor bridge. All capacitors are silver mica. If mounted in oven, stability can be 1 PPM and residual phase-angle difference from pure capacitance only 1 microradian.-B. J.Frost, No Loss Capacitor, Wireless World, Dec. 1977, p 80.



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