[Legacy Report] Advance in Linearization for Wideband GaN Power Amplifiers

#32nd #ANNUAL #SYMPOSIUM #AND #MINI-SHOW

This presentation discusses the state of the art in achieving wideband (> 1 GHz) linearization of high power
GaN amplifiers. Multi-octave bandwidth linearization has been achieved at frequencies from L through Kaband.
Basic linearization concepts are reviewed. The trades between using a single predistortion linearizer
and multi-band linearizers are discussed. The effect of harmonics (both even and odd order distortion
products) and their correction for applications that cover more than an octave are considered.
Allen Katz is a professor of Electrical/Computer Engineering at The College of New Jersey. He is founder and
President of Linearizer Technology, Inc., which now includes Linear Photonics, LLC and Linear Space
Technology, LLC. He received his doctorate and baccalaureate degrees in electrical engineering from New
Jersey Institute of Technology and a master’s in electrical engineering from Rutgers University. He holds 17
patents and has written more than 100 technical publications. He received the IEEE’s Microwave Society’s
(MTT) Application Award in 2015 for his work in linearization of power amplifiers, the IEEE Microwave
Magazine Best Paper Award in 2010 and the William Randolph Lovelace II Award for outstanding
contributions to space science and technology from the American Astronautical Society in 2002. Dr. Katz is a
Fellow of the IEEE and a past MTT Distinguished Microwave Lecturer.
alkatz@tcnj.edu

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