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IEICE TRANSACTIONS on Communications

A Three-Way Divider for Partially-Corporate Feed in an Alternating Phase-Fed Single-Layer Slotted Waveguide Array

Miao ZHANG, Jiro HIROKAWA, Makoto ANDO

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Errata(Vol.E89-B NO.3,2006)

Summary :

In this paper, a three-way divider is proposed for a partially-corporate feed in an alternating phase-fed single-layer slotted waveguide array. The divider is placed at the middle of the feed waveguide and reduces the long line effects; the frequency bandwidth is doubled. It is a kind of cross junction with one input port and three output ports; most of the power is equally divided into the right and left halves of the feed waveguide while the rest of power goes straight into the center radiating waveguide. Based upon the moment method design of the three-way divider, an inductive post is introduced for wide band power dividing control to the radiating waveguide. Reflection is below -20 dB over a wide bandwidth of 24.3-26.3 GHz, and the range of power dividing ratio ranges from 1/43 to 1/4. The amplitude and the phase from the two output ports to the feed waveguide are well balanced, and the differences are less than 0.1 dB and 5.0 degrees, respectively. The MoM analysis and the wide band design are verified experimentally in the 4 GHz band.

Publication
IEICE TRANSACTIONS on Communications Vol.E88-B No.11 pp.4339-4345
Publication Date
2005/11/01
Publicized
Online ISSN
DOI
10.1093/ietcom/e88-b.11.4339
Type of Manuscript
PAPER
Category
Antennas and Propagation

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