Simultaneous-Propagation Effect in Conductor-Backed Coplanar Strips and Its Experimental Verification

Mikio TSUJI  Hiroshi SHIGESAWA  

IEICE TRANSACTIONS on Electronics   Vol.E83-C    No.5    pp.742-749
Publication Date: 2000/05/25
Online ISSN: 
Print ISSN: 0916-8516
Type of Manuscript: Special Section PAPER (Special Issue on Recent Developments in Guided-Wave Problems)
coplanar strips,  leakage effect,  spectral gap,  simultaneous propagation,  

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We first reported the simultaneous-propagation effect that the leaky dominant mode can be present on conductor-backed coplanar strips at the same time as the conventional bound dominant mode. We have investigated here numerically and experimentally this effect in detail. Consequently, we have found that it occurs under a certain condition of structural parameters, and also have verified that it affects circuit performance significantly.