Pseudo-elliptic bandpass filter with subharmonic stubs

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Authors

Malherbe, J.A.G., 1940-

Journal Title

Journal ISSN

Volume Title

Publisher

Institution of Engineering and Technology

Abstract

A simple bandpass filter that approximates equal ripples in both the pass band and the stopband is described. The filter comprises two stubs, resonant at one-half and one-quarter of the centre frequency, respectively, and a series overlay capacitor. The filter has a performance comparable to that of a third-order elliptic function filter and has a practical bandwidth of 16-34%.

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Keywords

Band-pass filters, Elliptic filters, Equivalent circuits

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Citation

Malherbe, JAG 2011, 'Pseudo-elliptic bandpass filter with subharmonic stubs', Electronics Letters, vol. 47, no. 3, pp. 196-198. [http://www.ietdl.org/EL]