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CAD-oriented lossy models for radial stubs

Research output: Contribution to Journal/MagazineJournal articlepeer-review

<mark>Journal publication date</mark>02/1988
<mark>Journal</mark>IEEE Transactions on Microwave Theory and Techniques
Issue number2
Number of pages9
Pages (from-to)305-313
Publication StatusPublished
<mark>Original language</mark>English


A lumped equivalent circuit model for both series and double-shunt (butterfly) connected radial stub has been developed. The model-simple and effective-not only includes conductor and dielectric losses but also radiation ones, which play an important role in microstrip circuit elements. Experiments widely demonstrate its suitability for implementation in available CAD (computer-aided design) programs. Furthermore, a synthesis procedure for using radial stubs in circuit design is described. An application of the proposed design procedure and simulation tools in the development of very broadband nongrounded termination is also presented.