Parallel Line Microstrip Filters in an Inhomogeneous Medium

Parallel coupled microstrip lines in an inhomogeneons medium are studied. The quasi-static capacitance is shown to be linear with regard to the dielectric constant epsilon/sub r/ simplifying the formalism used for analyzing microstrip filters. The electromagnetic advantages of the homogeneous medium...

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Bibliographic Details
Published in:IEEE transactions on microwave theory and techniques 1978-04, Vol.26 (4), p.231-238
Main Authors: Pompei, D., Benevello, O., Rivier, E.
Format: Article
Language:English
Subjects:
Dielectric constant
Dielectric substrates
Electromagnetic propagation
Equations
Frequency
Microstrip filters
Microwave filters
Stripline
Transmission line matrix methods
Voltage
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Summary:Parallel coupled microstrip lines in an inhomogeneons medium are studied. The quasi-static capacitance is shown to be linear with regard to the dielectric constant epsilon/sub r/ simplifying the formalism used for analyzing microstrip filters. The electromagnetic advantages of the homogeneous medium carry over to the inhomogeneous medium. This result is obtained by equalizing all the velocities of the propagation modes.
ISSN:0018-9480
1557-9670
DOI:10.1109/TMTT.1978.1129356