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Voltage-clamped class E amplifier with a Zener diode across the choke coil

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2 Author(s)
Suetsugu, T. ; Dept. of Electr. Eng., Wright State Univ., Dayton, OH, USA ; Kazimierczuk, M.K.

A class E amplifier with a clamped switch peak voltage with a Zener diode across the choke inductor is proposed and analyzed. Power loss in the Zener diode is reduced to 2/3 of that in the amplifier with a Zener diode across the switch. The effect of the Zener diode on the switch voltage waveform, output power, and efficiency are examined and experimentally verified.

Published in:

Circuits and Systems, 2002. ISCAS 2002. IEEE International Symposium on  (Volume:5 )

Date of Conference:

2002