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Journals and Conferences
In a world-wide environment in which the competition becomes every day more aggressive, the Outdoor Unit (ODU) for low capacity digital radio has to collect several innovations in order to be competitive in terms of reliability and market price. The solution, highlighted in the paper, refers to a new family of radio transceiver based on a novel compact… (More)
64 QAM digital radio requires a very high linear operation not only in the transmitter section, but also in the receiver. The paper presents a low noise microwave integrated receiver able to cover each CCIR radio frequencies band from 4 to 11 GHz with the linearity performances required for 64 QAM digital radio application.
After a survey on "image recovery" microwave mixers, the paper presents a complete line from 2 to 11 GHz of new low noise wide-band microwave receivers using field effect transistor preamplifier. Design criteria and achieved performances are shown.