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Harmonic suppressed single groove PCML bandpass filter

Marimuthu, J. and Esa, M. (2009) Harmonic suppressed single groove PCML bandpass filter. In: 39th European Microwave Conference (EuMC) 2009, 29 Sept.-1 Oct. 2009, Rome, Italy

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Abstract

This paper presents the design of single grooved parallel-coupled microstrip bandpass filter with improved passband response and first harmonic suppression. The undesired first harmonic spurious response is suppressed through transmission zero frequency realignment method. A single groove is located at the center of the parallel-coupled line. It is employed for the realignment of the transmission zero and first harmonic frequencies. Two three-stage bandpass filters of different operating bandwidths were designed and implemented with optimized groove. The measured results validate real harmonics suppression performance with controllable single groove dimensions.

Item Type: Conference Paper
Conference Website: https://doi.org/10.23919/EUMC.2009.5296168
URI: http://researchrepository.murdoch.edu.au/id/eprint/59861
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