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  _____      ___                _____     ____    
 |__  //    / _ \\    ____     |  ___||  |  _ \\  
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 /_____|| |_||  |_|| |  __//   |_____||  |_|\_\\  
 `-----`  `-`   `-`  |_|`-`    `-----`   `-` --`  
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Text this: New modulation technique for hybrid softswitching and low duty ratio operation of active-clamped current-fed full-bridge isolated dc/dc converter