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    Correladores en banda base para un interferómetro de gran formato a 30 GHz

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    URI: http://hdl.handle.net/10902/3769
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    Author
    Ortiz García, David; Casas Reinares, Francisco Javier; Villa Benito, EnriqueAutoridad Unican; Cano de Diego, Juan LuisAutoridad Unican; Artal Latorre, EduardoAutoridad Unican
    Date
    2013-09
    Derechos
    © 2013 URSI España
    Publicado en
    URSI 2013, XXVIII Simposium Nacional de la Unión Científica Internacional de Radio, Santiago de Compostela
    Abstract:
    The aim of the reported work is to explore the viability of a correlator for a future large-scale interferometer, with hundreds of receivers, by developing a pathfinder in which the 30 GHz receivers of QUIJOTE experiment will be reused. Nowadays, there are some interferometric experiments designed to study the Cosmic Microwave Background (CMB). Although the sensitivity of the instruments is proportional to the number of receivers, interferometers normally present a reduced number of them due to the difficulty to correlate a large number of wide-band signals. For this reason, thinking about a Michelson-type interferometer, two types of single base-line correlators are proposed in order to compare them and to analyse their viability. The first choice is an analog correlator designed on FR4 substrate with a 10 kHz video bandwidth. The maximum frequency of the correlator input signals should not exceed 300MHz. On the other hand, a digital version has been implemented using a PCI card from Agilent Technologies with a maximum digitalization rate of 1GS/s on each of its two inputs.
    Collections to which it belong
    • D12 Congresos [539]
    • D52 Congresos [36]

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    UNIVERSIDAD DE CANTABRIA

    Repositorio realizado por la Biblioteca Universitaria utilizando DSpace software
    Contact Us | Send Feedback
    Metadatos sujetos a:licencia de Creative Commons Reconocimiento 3.0 España