【Summary】 LC circuit resonance frequency measurement often requires the use of professional analysis instruments such as LCR meters, vector network an- alyzers, but currently such instruments on the market are expensive, and it is difficult for non-professional institute personnel to access. Here comes unnecessary trouble. In view of this situation, a test method for measur- ing the resonance frequency using only a digital storage oscilloscope is proposed. Using the impulse signal to obtain the system response, the response waveform period can be observed through the oscilloscope.
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