Radial Transmission-Line Approach for the Analysis of Ring Loaded Slots in Circular Waveguide

Radial transmission-line formalism is a generalization of Marcuvitz-Schwinger theory that permits to solve complex scattering problems in circular geometry. The formalism is exploited in this work for the analysis and design of ring loaded slots in circular waveguide whose applications span from mic...

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Bibliographic Details
Published in:IEEE transactions on microwave theory and techniques 2015-05, Vol.63 (5), p.1468-1474
Main Authors: Addamo, G., Orta, R., Virone, G., Peverini, O. A., Tascone, R.
Format: Article
Language:English
Subjects:
Apertures
Choke flange
Circular waveguides
Computer programs
double exponential transform
Electromagnetic waveguides
Flanges
Formalism
Geometry
Inductors
Magnetic fields
Mathematical models
Microwave theory and techniques
Microwaves
passive intermodulation (PIM) products
radial transmission-line theory
Scattering
stub filter
Stub filters
Transmission line matrix methods
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Summary:Radial transmission-line formalism is a generalization of Marcuvitz-Schwinger theory that permits to solve complex scattering problems in circular geometry. The formalism is exploited in this work for the analysis and design of ring loaded slots in circular waveguide whose applications span from microwave filters to mode converters. The scattering problem is formulated in terms of coupled magnetic field integral equations and solved using novel numerical schemes. The method is applied to study a choke flange and a stub filter in circular waveguide. A comparison with commercial software is reported to confirm the effectiveness of the approach.
ISSN:0018-9480
1557-9670
DOI:10.1109/TMTT.2015.2416242