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Numerical simulation of surface-wave band-stop filters

✍ Scribed by Svetlana V. Boriskina; Alexander I. Nosich

Publisher
John Wiley and Sons
Year
1996
Tongue
English
Weight
425 KB
Volume
13
Category
Article
ISSN
0895-2477

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✦ Synopsis

A quasi-TEM analysis of a three-line coupled microstrip structure was utilized in a search for suitable dimensions of a three-line coupler that meets certain design criteria. This facilitated the construction of design curves. Measurements performed on a prototype single-section coupler displayed good agreement with theoretical results, and practically illustrated the merit of this approach. Additionally, a wideband stepped coupler was designed with the use of conventional two-line coupler synthesis techniques. Good agreement between theoretical and measured results for the coupling was obtained. Measurements showed the coupler input ports to be well matched, and good isolation between relevant ports was achieved.

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