An improved design of systems based on three coupled microstrip lines

The design parameters of three coupled equal-mode-impedance microstrip lines on an alumina substrate are introduced in a manner that gives a convenient systematic design procedure. The use of equal-mode-impedance lines greatly facilitates the design of the system. The design procedure for two config...

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Bibliographic Details
Published inIEEE transactions on microwave theory and techniques Vol. 37; no. 4; pp. 795 - 798
Main Author El-Deeb, N.A.
Format Journal Article
LanguageEnglish
Published New York, NY IEEE 01.04.1989
Institute of Electrical and Electronics Engineers
Subjects
Applied sciences
Circuit properties
Dielectric constant
Dielectric substrates
Electric, optical and optoelectronic circuits
Electronics
Exact sciences and technology
Impedance
Microstrip
Microwave circuits, microwave integrated circuits, microwave transmission lines, submillimeter wave circuits
Microwave propagation
Scattering parameters
Voltage
Microstrip line
System design
Microwave line
Microwave coupler
Coupled line
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Summary:The design parameters of three coupled equal-mode-impedance microstrip lines on an alumina substrate are introduced in a manner that gives a convenient systematic design procedure. The use of equal-mode-impedance lines greatly facilitates the design of the system. The design procedure for two configurations of this system is presented. A coupler satisfying the requirements of one of these configurations is realized and its practical performance is shown to be in good agreement with theory. The design procedure is applicable to any such system on any other isotropic substrate material.< >
Bibliography:ObjectType-Article-2
SourceType-Scholarly Journals-1
ObjectType-Feature-1
content type line 23
ISSN:0018-9480
1557-9670
DOI:10.1109/22.18857