Wideband planar filters with an extended stopband
- Autores: Zakharov A.1, Il’chenko M.1
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Afiliações:
- National Technical University of Ukraine “Kyiv Polytechnic Institute”
- Edição: Volume 61, Nº 3 (2016)
- Páginas: 291-301
- Seção: Novel Radio Systems and Elements
- URL: https://journals.rcsi.science/1064-2269/article/view/196825
- DOI: https://doi.org/10.1134/S1064226916030220
- ID: 196825
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Resumo
An approach to the construction of wideband bandpass filters of microstrip and stripline designs, which have an extended stopband and can incorporate lumped capacitors, is proposed. This approach is based on resonators with the enhanced frequency diversity of fundamental and parasitic resonance frequencies and coupling circuits formed according to an assigned rule. The potential of the filters achieved due to the proposed technique is established. In particular, a very wide passband whose ratio of cuttoff frequencies is 5: 1, as well as the stopband greater than an octave at a level of 40 dB, is demostrated to be attainable. When the passband is narrower, the stopband can exceed two octaves. The given approach can be applied to filters operating in a broad frequency range, including to that corresponding to centimeter and meter waves. The experimental data are presented.
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Sobre autores
A. Zakharov
National Technical University of Ukraine “Kyiv Polytechnic Institute”
Autor responsável pela correspondência
Email: a.zakharov@bk.ru
Ucrânia, pr. Pobedy 37, Kyiv, 03056
M. Il’chenko
National Technical University of Ukraine “Kyiv Polytechnic Institute”
Email: a.zakharov@bk.ru
Ucrânia, pr. Pobedy 37, Kyiv, 03056