Abstract
High-efficiency power amplifiers (PAs) are critical for various applications that require high power density, portability, and effortless thermal management. Historically, these types of PAs, operating in the tens-of-megahertz range in the industrial, scientific, and medical bands, were equipped for transmitters for fixed radiocommunication services, RF heating, and plasma ignition <xref ref-type="bibr" rid="ref1" xmlns:mml="http://www.w3.org/1998/Math/MathML" xmlns:xlink="http://www.w3.org/1999/xlink">[1]</xref> , <xref ref-type="bibr" rid="ref2" xmlns:mml="http://www.w3.org/1998/Math/MathML" xmlns:xlink="http://www.w3.org/1999/xlink">[2]</xref> . Today, applications have expanded to wireless power transmission for biomedical devices and charging for consumer electronics and smart vehicles <xref ref-type="bibr" rid="ref3" xmlns:mml="http://www.w3.org/1998/Math/MathML" xmlns:xlink="http://www.w3.org/1999/xlink">[3]</xref> . In this article, we present the first-place design for the Student Design Competition (SDC) High-Efficiency Power Amplifier for 13.56 MHz in the 2021 IEEE Microwave Theory and Techniques Society International Microwave Symposium (IMS) in Atlanta, Georgia.
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