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A C-band wideband 360° analog phase shifter design

✍ Scribed by M. X. Xiao; S. W. Cheung; T. I. Yuk

Publisher
John Wiley and Sons
Year
2010
Tongue
English
Weight
286 KB
Volume
52
Category
Article
ISSN
0895-2477

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✦ Synopsis

Abstract

This article proposes a reflection‐type wideband 360° analogue phase shifter in microstrip form. It employs a 3‐dB branch‐line coupler circuit to achieve a wideband operation and two varactor‐diode circuits to achieve 360° phase shift. Formulas are derived to optimize the dimensions of the microstrip lines in the coupler and the varactor‐diode circuits for wideband operation and minimizing frequency dependency of the output phase. Experimental results show that the design has a 360° phase‐shift range and 1 dB insertion loss, with a 500‐MHz operation bandwidth at the center frequency of 6.5 GHz. ©2009 Wiley Periodicals, Inc. Microwave Opt Technol Lett 52: 355–359, 2010; Published online in Wiley InterScience (www.interscience.wiley.com). DOI 10.1002/mop.24938

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