Frequency response of PiezoΒΆ

Objective

Plot the frequency response curve of the Piezo disk by scanning through the frequency and measuring the amplitude of the microphone output.

_images/sound-capture.svg _images/piezo-freq-resp.png

Procedure

  • Make the connections and keep the Mic and the Buzzer facing each other
  • Press START button

Discussion

The Frequency Vs Amplitude plot is shown in figure. The amplitude is maximum around 3500 Hz.