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Old 5th February 2012, 08:56 AM   #1
joco000 is offline joco000  Slovenia
diyAudio Member
Join Date: Jan 2010
Default ultrasonic amplifier


does someone have schematics of 100w power amplifier for 25-30 kHz range?
I need to run piezzo speaker, with impedance like 0,3 uF ( from datasheet)

I calculate that this is around 20 ohms at 25 kHz ( hope it is correct)

For input I will make 25kHz squre wave signal.

thank you in advance
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