An analytical approach to the design of multiple mode rectangular cavity waveguide filters

Date
2017
Authors
Kelleci, C.
Atalar, Abdullah
Advisor
Supervisor
Co-Advisor
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Instructor
Source Title
IEEE Transactions on Microwave Theory and Techniques
Print ISSN
0018-9480
Electronic ISSN
Publisher
Institute of Electrical and Electronics Engineers Inc.
Volume
65
Issue
8
Pages
2857 - 2865
Language
English
Type
Article
Journal Title
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Abstract

The multiple mode rectangular cavity structure with square corner cuts is revisited. An attempt to predict the physical dimensions of the cavity for dual mode second-order and triple mode third-order filters is made. Analytic expressions are formed to be used in the design process. The classical triple mode cavity filter structure is altered to give a finite frequency transmission zero either in the lower or upper sideband of the center frequency. The concept is illustrated with example designs. A novel additive manufacturing technique is used to fabricate a selected filter structure. The experimental results are in agreement with the expectations.

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Keywords
Additive manufacturing, Cavity filter, Dispersion, Multiple mode cavity, Triplet, Trisection
Citation
Published Version (Please cite this version)