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Class D Switching Power Amplifiers and Power D/A conversion

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Old 17th September 2013, 11:24 AM   #71
authlxl is offline authlxl  China
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Join Date: Jun 2006
Location: CHINA
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Default multifeedback class d with ultralfast mosfet

Originally Posted by authlxl View Post
we found some mosfet modules have antiparallel diode function, it is high power and cheaper, you can develop smart circuit with it , maybe applied in QSC new multichannel pro products.

Microsemi have bigger modules same functions as this modules.expensive.

we have try some simliar circuit in our 2500w half bridge modules with IR2110 driver and run at 250KHz.
Better performance. recommand good current protection and multifeedback system, 0.5% THD+N at RMS power level delivery out.
Block Digram here.
high efficiency high frequency high power level,
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