Person: Teberio BerdĂșn, Fernando
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Teberio BerdĂșn
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Fernando
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IngenierĂa ElĂ©ctrica y ElectrĂłnica
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0000-0002-4603-2273
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810720
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Publication Open Access Rectangular waveguide filters with meandered topology(IEEE, 2018) Teberio BerdĂșn, Fernando; Percaz Ciriza, Jon Mikel; Arregui Padilla, IvĂĄn; MartĂn Iglesias, Petronilo; Lopetegui Beregaña, JosĂ© MarĂa; GĂłmez Laso, Miguel Ăngel; Arnedo Gil, Israel; IngenierĂa ElĂ©ctrica y ElectrĂłnica; Ingeniaritza Elektrikoa eta Elektronikoa; Gobierno de Navarra / Nafarroako Gobernua, 0011-1365-2017-000130In this paper, a new topology for rectangular waveguide bandpass and low-pass filters is presented. A simple, accurate, and robust design technique for these novel meandered waveguide filters is provided. The proposed filters employ a concatenation of ±90° E-plane mitered bends (±90° EMBs) with different heights and lengths, whose dimensions are consecutively and independently calculated. Each ±90° EMB satisfies a local target reflection coefficient along the device so that they can be calculated separately. The novel structures allow drastically reduce the total length of the filters and embed bends if desired, or even to provide routing capabilities. Furthermore, the new meandered topology allows the introduction of transmission zeros above the passband of the low-pass filter, which can be controlled by the free parameters of the ±90° EMBs. A bandpass and a low-pass filter with meandered topology have been designed following the proposed novel technique. Measurements of the manufactured prototypes are also included to validate the novel topology and design technique, achieving excellent agreement with the simulation results.Publication Open Access Routing with classical corrugated waveguide low-pass filters with embedded bends(EMW Publishing, 2018) Teberio BerdĂșn, Fernando; Percaz Ciriza, Jon Mikel; Arregui Padilla, IvĂĄn; MartĂn Iglesias, Petronilo; Lopetegui Beregaña, JosĂ© MarĂa; GĂłmez Laso, Miguel Ăngel; Arnedo Gil, Israel; IngenierĂa ElĂ©ctrica y ElectrĂłnica; Ingeniaritza Elektrikoa eta ElektronikoaA very simple design method to embed routing capabilities in classical corrugated filters is presented in this paper. The method is based on the calculation of the heights and lengths of the so-called filters design building blocks, by means of a consecutive and separate extraction of their local reflection coefficients along the device. The proposed technique is proved with a 17th-order Zolotarev filter whose topology is bent twice so that the input and output ports are in the same plane while preserving the in-line filters behaviour. This new filter allows the possibility of eliminating subsequent bending structures, reducing the insertion loss, weight, and PIM.