Abstract:This paper describes a novel down-converter architecture for radio receivers and for polarimetric radar systems. The mixing unit configuration is based on two 90' single balanced mixers, associated in anti-phase, to obtain wide-bandwidth differential IF signals. For analog receivers, the terminals of each of the mixing units are connected to produce single RF and LO signals. This is as opposed to polarimetric systems, where one LO and two RF signals are present. The broadband nature of the differential IF sign… Show more
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