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Compact Rat-Race Coupler Using Shunt-Stub-Based Artificial Transmission Lines

✍ Scribed by Chao-Hsiung Tseng; Hsiang-Ju Chen

Book ID
118046174
Publisher
IEEE
Year
2008
Tongue
English
Weight
448 KB
Volume
18
Category
Article
ISSN
1531-1309

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## Abstract This letter presents a broadband rat‐race coupler designed by using right‐handed artificial transmission lines (ATLs) combined with a composite right/left‐handed ATL; in order to limit spurious parasitic effects, by using metal–air–metal capacitor and short circuited stubs, both kinds o