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Novel And Simple High-Frequency Single-Port Vector Network Analyzer, Mohamed A. Abou-Khousa, Mark A. Baumgartner, Sergey Kharkovsky, R. Zoughi
Novel And Simple High-Frequency Single-Port Vector Network Analyzer, Mohamed A. Abou-Khousa, Mark A. Baumgartner, Sergey Kharkovsky, R. Zoughi
Electrical and Computer Engineering Faculty Research & Creative Works
Portable, accurate, and relatively inexpensive high-frequency vector network analyzers (VNAs) have great utility for a wide range of applications, encompassing microwave circuit characterization, reflectometry, imaging, material characterization, and nondestructive testing to name a few. To meet the rising demand for VNAs possessing the aforementioned attributes, we present a novel and simple VNA design based on a standing-wave probing device and an electronically controllable phase shifter. The phase shifter is inserted between a device under test (DUT) and a standing-wave probing device. The complex reflection coefficient of the DUT is then obtained from multiple standing-wave voltage measurements taken for several different …