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Capacitive three-point sine wave oscillation circuit
Source: InternetPublisher:两手空空 Keywords: Analog circuit capacitor three-point type sine wave oscillation circuit Updated: 2021/10/09
Experiment content:
1. Observe the vibration starting process
Use an oscilloscope to observe the oscillation process.
2. Measure the oscillation frequency f0
f 0 = 1 2 π LC 1 C 2 C 1 + C 2
Measure the period T of the output waveform ≈ 44.64μs, and calculate the frequency f 0 = 1 T
Measured value: f0≈22.42kHz
Calculated value: f0=22.52kHz
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