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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
