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Circuits designed by David Johnson, P.E.
Last Updated on: Friday, November 17, 2017 06:32 AM

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More  Tester Circuits

INDUCTOR SELF-RESONANCE TESTER

 


If you want to know what the self-resonance frequency is of an inductor, this circuit will help. It adds only a few picofarads of parallel capacitance to the inductor under test. With the aid of an oscilloscope and a signal generator this circuit will allow you to measure resonant frequencies from kilohertz to over 10 megahertz.

Click on Drawing Below to view PDF version of Schematic

Circuit Coil Self Resonance Text Circuit designed by David A. Johnson, P.E.

 

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