Tuning techniques for multisection waveguide bandpass filters using evanescent modes
- 1 November 1966
- journal article
- Published by Institution of Engineering and Technology (IET) in Electronics Letters
- Vol. 2 (11) , 419-420
- https://doi.org/10.1049/el:19660352
Abstract
Waveguide bandpass filters using evanescent modes (i.e. operation below the cutoff frequency) require modified tuning techniques. A variation of the familiar ‘poles-and-zeros’ method of setting up is described. Performance characteristics of a typical multisection filter are shown.Keywords
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