Class d amplifier circuit and PCB layout. Build you're own class d amplifier using these printout files. The class D amplifier working based on the operational amplifier of LM393. the ic generating a triangular wave form and also carries the audio signal to converter into a digital form of frequency. then the frequency has to be amplified by IRF9540 and Irf540. The high frequency audio signals filtered by low pass filter coil then it providing the 20hz to 20khz signal. The circuit working with 24-0- 24v to 40-0-40 v Dc.
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