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A Single-Layer Power Divider for a Slotted Waveguide Array Using π-Junctions with an Inductive Wall
Tsukasa TAKAHASHI Jiro HIROKAWA Makoto ANDO Naohisa GOTO
IEICE TRANSACTIONS on Communications
Publication Date: 1996/01/25
Print ISSN: 0916-8516
Type of Manuscript: PAPER
Category: Antennas and Propagation
slotted waveguide array, power divider,π-junction, inductive wall,
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The authors propose a waveguide π-junction with an inductive wall. Galerkin's method of moments is applied to analyze it and small reflection and desired power division ratio is realized. Good agreement between the calculated result and the measured one verifies the design of a unit π-junction. The characteristics of aπ-junction with a wall are almost the same as those of a conventional π-junction with a post. Important advantage of the new π-junction with a wall is that it can be manufactured in the die-cast process of the waveguide while a post in the conventional one must be attached in an additional process. A 16-way power divider consisting of 8 π-junctions is designed at 11.85 GHz and the characteristics are predicted.