2003•Unpublished venueRequires access

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

Tadashi Suetsugu, Marian K. Kazimierczuk

Abstract

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.

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Available abstract

Key concepts: Zener diode, Choke, Clipper (electronics), Backward diode, Avalanche diode, Amplifier, Waveform, Diode