Narrow-Bandpass Waveguide Filters

descriptionPublicationkeyboard_double_arrow_right Article 01 Apr 1972 English Publisher:Institute of Electrical and Electronics Engineers (IEEE)Journal:IEEE Transactions on Microwave Theory and Techniques, volume 20, pages 258-265 (issn: 0018-9480,

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Authors: A.E. Atia; A.E. Williams;

doi: 10.1109/tmtt.1972.1127732

Narrow-Bandpass Waveguide Filters

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Abstract

A procedure is described whereby narrow-bandpass waveguide filters having ripple in both the passbands and stopbands can be synthesized in the form of coupled waveguide cavities. Orthogonal modes in square or circular waveguides are employed to enable negative coupling elements to be realized. As a consequence, very compact filters can be constructed. Experimental results on an 8-cavity orthogonal-mode narrow-bandpass filter are shown to agree well with theory.

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