Analysis, design, and construction of a broadband balun for coaxial-to-planar transmission lines
For microwave signals within the 0.5 to 10.5 GHz range, we present an integrated broadband balun that carries signals from co-axial cable to microstrip to parallel-plate line. We use this arrangement as the feed line for a broadband double-sided antenna, and this antenna feed is presented as an application of the integrated balun. In addition, we devise a testing method for the balun, which is demonstrated. Through this testing method, the transmission, reflection, and radiation losses associated with the balun are readily determined. © 2005 Wiley Periodicals, Inc.
Chen, Y; Joines, WT; Chai, M; Liu, QH; Carin, L
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