UM
Compact quasi-elliptic bandpass filter with a very wide stopband using quarter-wavelength stepped-impedance resonators
Chio C.-H.1; Ting S.-W.1; Zhao X.2; Tarn K.-W.1
2012-12-01
Source PublicationAsia-Pacific Microwave Conference Proceedings, APMC
Pages535-537
AbstractA new compact microstrip bandpass filter with a very-wide stopband is presented using dual λ/4 stepped impedance resonators with open-stub loaded at the ends. The filter offers a quasi-elliptic bandpass response with a pair of symmetric transmission zeros created at the proximity of the passband through the couplings among loading stubs and input/output feedlines. An example circuit is designed at 2.4 GHz has a size of 0.085 λ × 0.128 λ and gives a stopband of up to 7.5 f with overall rejection better than 20 dB. © 2012 IEEE.
Keywordquarter wavelength stepped-impedance resonator quasi-elliptic very-wide stopband
DOI10.1109/APMC.2012.6421655
URLView the original
Language英語
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Document TypeConference paper
CollectionUniversity of Macau
Affiliation1.Universidade de Macau
2.Xidian University
Recommended Citation
GB/T 7714
Chio C.-H.,Ting S.-W.,Zhao X.,et al. Compact quasi-elliptic bandpass filter with a very wide stopband using quarter-wavelength stepped-impedance resonators[C],2012:535-537.
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