Class D power amplifiers working with 200 kHz input

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mozangu

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How can classical class-d power amplifier topology be changed in order to work with 200kHz input? Could you suggest power mosfets and gate drivers for switching around 1-2 mHz?
 

Are you sure, that the application requires a class-d (PWM) amplifier?
 

I do not mean audio applications here. It is very efficient so, I thought It may be modified for some higher input frequencies.
 

Increase the carrier frequency. Efficiency would degrade due to switching losses.
 

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