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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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2016 - 201912020 - 20211
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Subject: Rectangular waveguide × Subject: Bandpass filter ×

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Now showing 1 - 2 of 2
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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.
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    PublicationOpen Access
    Resonant quasi-periodic structure for rectangular waveguide technology with wide stopband and band-pass behavior
    (EMW Publishing, 2016) Arregui Padilla, IvĂĄn; Teberio BerdĂșn, Fernando; Arnedo Gil, Israel; Percaz Ciriza, Jon Mikel; GĂłmez Torrent, AdriĂĄn; Chudzik, Magdalena; GĂłmez Laso, Miguel Ángel; Lopetegui Beregaña, JosĂ© MarĂ­a; IngenierĂ­a ElĂ©ctrica y ElectrĂłnica; Ingeniaritza Elektrikoa eta Elektronikoa
    In this paper, a novel quasi-periodic structure for rectangular waveguide technology is proposed. The constituent unit cells of the structure feature a resonant behavior, providing high attenuation levels in the stopband with a compact (small period) size. By applying a smooth taper-like variation to the height of the periodic structure, very good matching is achieved in the passband while the bandwidth of the stopband is strongly increased. Moreover, by smoothly tapering the width of the structure, a band-pass frequency behavior is obtained. In order to demonstrate the capabilities of the novel quasi-periodic structure proposed, a band-pass structure with good matching, wide rejected band, and high-power handling capability has been designed, fabricated, and measured obtaining very good results.