Wideband bandstop filter with sub-harmonic stubs

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Authors

Malherbe, J.A.G., 1940-

Journal Title

Journal ISSN

Volume Title

Publisher

Institution of Engineering and Technology

Abstract

The performance of a wideband bandstop transmission line filter employing a series overlay inductor over two stubs resonating at respectively one half and one quarter of the centre frequency, is described. The structure contributes seven transmission zeros to the stopband and the performance compares to that of a Cauer filter. The structure has the advantage of having impedance levels that are readily realizable.

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Keywords

Wideband, Overlay inductor, Impedance levels

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Citation

Malherbe, JAG 2011, 'Wideband bandstop filter with sub-harmonic stubs', Electronics Letters, vol. 47, no. 10, pp.604-605.