Ultrasonic Humidifier driving circuit

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Mithun_K_Das

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Do you have any idea working with ultrasonic transducer as a humidifier driver circuit? I was trying to make one. Tried 1KHz to 500KHz switching, supply voltage: 10V to 50V. But no response but just some small bubbles.

also bought a working humidifier from market to check what they doing. Found that, F = 101KHz, duty:24%, voltage: 27Vp-p. Tried that but no response.

Can anyone suggest me something?

TIA.
 

Your piezo transducer must have suitable design to generate respective vibration magnitude and must be driven in resonance. Show the transducer spec.
 

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