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Titolo:
ATTENUATION OF THE PARASITIC MODES IN A SHIELDED MICROSTRIP LINE BY COATING RESISTIVE FILMS ON THE SUBSTRATE
Autore:
CHOU YH; CHUNG SJ;
Indirizzi:
NATL CHIAO TUNG UNIV,INST COMMUN ENGN HSINCHU TAIWAN
Titolo Testata:
IEEE transactions on microwave theory and techniques
fascicolo: 7, volume: 43, anno: 1995,
pagine: 1610 - 1613
SICI:
0018-9480(1995)43:7<1610:AOTPMI>2.0.ZU;2-4
Fonte:
ISI
Lingua:
ENG
Soggetto:
MODES;
Tipo documento:
Note
Natura:
Periodico
Settore Disciplinare:
Science Citation Index Expanded
Citazioni:
10
Recensione:
Indirizzi per estratti:
Citazione:
Y.H. Chou e S.J. Chung, "ATTENUATION OF THE PARASITIC MODES IN A SHIELDED MICROSTRIP LINE BY COATING RESISTIVE FILMS ON THE SUBSTRATE", IEEE transactions on microwave theory and techniques, 43(7), 1995, pp. 1610-1613

Abstract

In this paper, propagation characteristics of even-symmetric hybrid modes in a waveguide-shielded microstrip line with the presence of the resistive films affixed to the two sides of the center strip is investigated. The method of lines with modifications concerning the inhomogeneity of the surface between the air and substrate layers is uded for analysis. After a validity check of the analysis by considering two special structures, i.e., a microstrip line (R(m) = infinity) and a coplanar waveguide (R(m) = 0), the resistance R(m) and the width W-m of the film are varied to see the influence on the propagation and attenuation constants of the dominant mode as well as the higher-order (parasitic) modes. Optimal combinations of the resistance and the width are found so that the resistive film has the largest attenuating effect on the higher-order modes but has no ingterference with the dominant one.

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Documento generato il 20/01/20 alle ore 04:51:02