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A Strip Line Broadside Hybrid Coupler Tolerant to Displacement Error and Thickness Variation in Multi-Layered LTCC Substrate

Takeshi YUASA, Yukihiro TAHARA, Hideyuki OH-HASHI

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Summary :

A strip line broadside hybrid coupler which is tolerant to manufacturing errors in a multi-layered LTCC substrate has been developed. The tolerance to a displacement error and a thickness variation in the multi-layered LTCC substrate can be achieved by using the tandem arrangement of diagonally shifted coupled lines with adjacent ground walls. It has been demonstrated that the coupling deviation from designed characteristics in our proposed hybrid coupler is very small.

Publication
IEICE TRANSACTIONS on Electronics Vol.E91-C No.10 pp.1684-1689
Publication Date
2008/10/01
Publicized
Online ISSN
1745-1353
DOI
10.1093/ietele/e91-c.10.1684
Type of Manuscript
PAPER
Category
Microwaves, Millimeter-Waves

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