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The design of an ultra-broad-band 3 dB coupler in dielectric waveguide

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3 Author(s)
Shen, Y. ; Dept. of Radio Electron., Shanghai Univ. of Sci. & Technol., China ; De-Ming Xu ; Chen Ling

A structure of embedding dielectric waveguide coupler that offers advantages such as very flat frequency response over 50% bandwidth, simple construction, and good repeatability is described. A theoretical analysis by superpositioning normal modes is presented. Experimental results at the 4-mm wave band showing agreement with theoretical calculations are given

Published in:

Microwave Theory and Techniques, IEEE Transactions on  (Volume:38 ,  Issue: 6 )