Open Access
Integrated active antenna approach for rf front-end design
Kevin M. K. H. Leong,Tatsuo Itoh +1 more
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TLDR
In this paper, the authors discuss the recent developments by the author's group in the field of RF front-end technology design using the active antenna approach, including stand alone RF front end components such as an integrated polarization selective mixer antenna as well as more functional front end circuitry such as a retrodirective array transponder.Abstract:
This paper will discuss the recent developments by the author's group in the field of RF front-end technology design using the active antenna approach. This will include stand alone RF front-end components such as an integrated polarization selective mixer antenna as well as more functional front-end circuitry such as a retrodirective array transponder.read more
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Journal ArticleDOI
Progress in active integrated antennas and their applications
Yongxi Qian,Tatsuo Itoh +1 more
TL;DR: Active integrated antennas (AIAs) provide a new paradigm for designing modern microwave and millimeter-wave architecture with desirable features such as compactness, light weight, low cost, low profile, minimum power consumption, and multiple functionality.
Agile circular polarization receiver using if phase inversion switching
TL;DR: In this article, the authors present a receiver configuration which is able to distinguish between right hand and left hand circular polarization senses by switching between low-side and high-side LO injection when mixing down to IF.
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