Dual-passband filters and extended-stopband wide-band bandpass filters based on generalized stub-loaded planar circuits

@article{GmezGarca2017DualpassbandFA,
  title={Dual-passband filters and extended-stopband wide-band bandpass filters based on generalized stub-loaded planar circuits},
  author={Roberto G{\'o}mez-Garc{\'i}a and Raul-Loeches-Sanchez and Dimitra Psychogiou and Jos{\'e}-Mar{\'i}a Mu{\~n}oz-Ferreras and Dimitrios Peroulis},
  journal={2017 IEEE MTT-S International Microwave Symposium (IMS)},
  year={2017},
  pages={368-371}
}
This paper addresses the application of stub-loaded planar circuits to the realization of dual-band bandpass filters and extended-upper-stopband broad-band bandpass filters with quasi-elliptic transfer function. To this aim, different classes of homogeneous- and stepped-impedance parallel-type open-ended stubs are exploited. Analytical design formulas for the transmission zeros (TZs) generated by these stubs are provided. Furthermore, for experimental-validation purposes, two multipole… CONTINUE READING

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  • 2019
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