Welcome to the Piezo SHOCK Show #53. In this video, I examine the driving signal which is used to drive an ultrasonic dental transducer. The driving signal is a sorta square wave. At the lowest setting, 40VRMS is applied and at the highest setting ~120VRMS is applied. The maximum power output is 1000mW. This makes sense, as the transducer had a high resonance impedance as seen in the last video (above 1000Ohm at low power).

Watch the episode here: https://youtu.be/N-4hKddA7yU

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I've posted the video notes below: