Characteristics of Multiconductor, Asymmetric, Slow-Wave Microstrip Transmission Lines

Spectral-domain technique has heen applied to analyze multiconductor, asymmetric, slow-wave microstrip lines. It is observed that 1) the coupled slow-wave microstrip line on a two-layer substrate may have substantially different propagation constants for even and odd modes and 2) the slow-wave facto...

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Veröffentlicht in:IEEE transactions on microwave theory and techniques 1986-12, Vol.34 (12), p.1471-1477
Hauptverfasser: Tsung-Cheng Mu, Ogawa, H., Itoh, T.
Format: Artikel
Sprache:eng
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Zusammenfassung:Spectral-domain technique has heen applied to analyze multiconductor, asymmetric, slow-wave microstrip lines. It is observed that 1) the coupled slow-wave microstrip line on a two-layer substrate may have substantially different propagation constants for even and odd modes and 2) the slow-wave factor of an odd mode of coupled microstrip lines on a three-layer substrate may be equal to or larger than that of an even mode under appropriate conditions. This presents the flexibility to realize a large variety of passive components, such as directional couplers, phase shifters, and attenuators.
ISSN:0018-9480
1557-9670
DOI:10.1109/TMTT.1986.1133565