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U-Band micromachined coaxial filter
Jaimes Vera, Edith Aline; Llamas Garro, Ignacio; Ke, Maolong; Wang, Yi; Lancaster, Michael J.; Pradell i Cara, Lluís
Universitat Politècnica de Catalunya. Departament de Teoria del Senyal i Comunicacions
This paper presents a micromachined filter for millimeter-wave applications operating at U-band. The structure was designed using a rectangular coaxial line with the center conductor suspended in air. The rectangular coaxial cables have been optimized to provide a low attenuation constant. The design includes a coplanar waveguide (CPW)-to-coaxial transition to interface the device with other components, or coplanar probes for measurements. The filter has been designed with a center frequency of 42 GHz and a 10% fractional bandwidth. A measured insertion loss of 0.77 dB has been obtained. This structure involves a low-cost micromachining manufacturing process using SU-8 photo resist which is very attractive for the implementation of integrated millimeter wave subsystems.
2012-05-11
Àrees temàtiques de la UPC::Enginyeria electrònica i telecomunicacions::Radiocomunicació i exploració electromagnètica::Circuits de microones, radiofreqüència i ones mil·limètriques
Electrical engineering
Electric filters
Electric networks
Impedance (Electricity)
Microwave filters
Microones -- Filtres
Filtres elèctrics
Restricted access - publisher's policy
Conference Object
IEEE
         

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