✦ LIBER ✦

Design of high-performance broadband multisection symmetrical 3-DB directional couplers

✍ Scribed by Slawomir Gruszczynski; Krzysztof Wincza

Book ID: 102521866
Publisher: John Wiley and Sons
Year: 2008
Tongue: English
Weight: 182 KB
Volume: 50
Category: Article
ISSN: 0895-2477
DOI: 10.1002/mop.23169

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✦ Synopsis

Abstract

The influence of discontinuity effects on the performance of symmetrical multisection coupled‐line directional couplers designed in a stripline technique has been comprehensively investigated, for the first time. It has been shown that the connections between coupled‐line sections introduce parasitic reactances which deteriorate the isolations and return losses of designed couplers and also that the recently developed method of capacitive compensation can be applied to improve couplers' performance. A three‐section symmetrical 3‐dB directional coupler has been designed and measured. The measurement results validate the presented analyses. © 2008 Wiley Periodicals, Inc. Microwave Opt Technol Lett 50: 636–638, 2008; Published online in Wiley InterScience (www.interscience.wiley.com). DOI 10.1002/mop.23169

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