✦ LIBER ✦

Modified principle of distributed ferroelectric phase shifter considering the influence of interconnecting lines

✍ Scribed by An Yu; Chuanren Yang; Hongwei Chen; Jihua Zhang

Publisher: John Wiley and Sons
Year: 2008
Tongue: English
Weight: 129 KB
Volume: 50
Category: Article
ISSN: 0895-2477
DOI: 10.1002/mop.23212

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✦ Synopsis

Abstract

The deviation between theoretic values and real data of distributed ferroelectric phase shifter is investigated by simulating an ideal model and analyzing an equivalent circuit. The deviation is shown to come from the parasitic inductance of interconnecting lines between loaded capacitors and center strip of CPW, which reduces the Bragg frequency, increases the insertion loss and phase shift. By introducing an effective capacitance to consider the effect of interconnecting lines, a modified principle is presented, which forecasts performances better. © 2008 Wiley Periodicals, Inc. Microwave Opt Technol Lett 50: 748–751, 2008; Published online in Wiley InterScience (www.interscience.wiley.com). DOI 10.1002/mop.23212

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