Broadband back-end module for radio-astronomy applications in the ka-band

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Identificadores
URI: https://hdl.handle.net/10902/36191
ISBN: 978-14-244-3794-8
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Autoría
Cano de Diego, Juan LuisAutoridad Unican; Aja Abelán, BeatrizAutoridad Unican; Villa Benito, Enrique; Fuente Rodríguez, Luisa María de laAutoridad Unican; Artal Latorre, EduardoAutoridad Unican
Fecha
2008
Derechos
© 2008 EuMA (European Microwave Association)
Publicado en
38th European Microwave Conference (EuMC), Amsterdam, 2008, 1113-1116
Editorial
Institute of Electrical and Electronics Engineers, Inc.
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Resumen/Abstract
This paper presents the design, simulation and measurement of a broadband Back-End Module (BEM) for radio-astronomy applications in the Ka-band. It is a direct conversion receiver based on low noise amplification, band pass filtering and Schottky diode detection. System simulations are based on individual linear-subsystems S-parameters measurements together with non-linear detector model. Measurements show more than 30 dB of RF gain over the 26 to 36 GHz band with a noise figure below 3.9 dB. Detected voltage is in the range 1-10 mV which meets the application specifications.
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