Ultrasonic Sound generator.

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Hello,
I am new mamber to this forum.
Actually I was searching for circuit or gadget to make an Ultrasonic sound generator from home, and google showed me this forum.
I hope to use the Ultrasonic sound generator as a repeller for mosquitoes, dogs and monkyes.
I'd like to know anyone can create or teach me to crerate it It'll highly appreciated.

Thank you.
 

Hi,

an electronics designer needs physical requirements.
Thus you first need to find out
* frequency (range)
* an estimation about the required power (or loudnes)
* modulated somehow? if yes, how?

Please do internet research on your own.

You also should tell us how you want it to be powered.

Klaus
 
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