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Teberio BerdĂșn, Fernando

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https://academica-e.unavarra.es/handle/2454/50072

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Teberio BerdĂșn

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Fernando

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Ingeniería Eléctrica y Electrónica

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0000-0002-4603-2273

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810720

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20211
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Subject: Rectangular waveguide × Subject: Fabrication tolerances ×

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    PublicationOpen Access
    Robust tolerance design of bandpass filter with improved frequency response for Q-band satellite applications
    (IEEE, 2021) Sami, Abdul; Teberio BerdĂșn, Fernando; Miranda SantafĂ©, Luis; Arnedo Gil, Israel; MartĂ­n Iglesias, Petronilo; Benito Pertusa, David; Lopetegui Beregaña, JosĂ© MarĂ­a; GĂłmez Laso, Miguel Ángel; Arregui Padilla, IvĂĄn; IngenierĂ­a ElĂ©ctrica, ElectrĂłnica y de ComunicaciĂłn; Ingeniaritza Elektrikoa, Elektronikoaren eta Telekomunikazio Ingeniaritzaren
    A rectangular waveguide bandpass filter for Q-band with simple fabrication is proposed in this letter. The design is based on the use of the first passband replica of commensurate-line stepped-impedance structures and achieves the suppression of their inherent low-pass response. In order to do it, the filter is implemented by rectangular waveguide sections with different widths and heights that can be analytically calculated. The technique is validated by a 9th order Chebyshev filter with passband between 40 and 43 GHz and fabrication yield equal to 84 % for a manufacturing error of ± 20 Όm. The measured results of the prototype fabricated with CNC milling are in good agreement with the simulated ones.