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A Self-Biased Receiver System Using the Active Integrated Antenna

Sang-Min HAN, Ji-Yong PARK, Tatsuo ITOH

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Summary :

A simple self-biased receiver system with a dual branch architecture consisting of a low-power consumption receiver and a rectenna is introduced. The system is efficiently integrated with a dual-fed circular sector antenna with harmonic rejection characteristics without a BPF. The receiver portion is designed by utilizing a low-noise amplifier (LNA) with low power consumption and a self-heterodyne mixer, while the rectenna achieves high conversion efficiency up to 80%, thanks to the harmonic rejection of the circular sector antenna. The rectified DC power from the rectenna is applied for a bias of the receiver without any external bias. Simultaneously, an ASK digital signal demodulation without an extra power supply are implemented successfully.

Publication
IEICE TRANSACTIONS on Communications Vol.E89-B No.2 pp.570-575
Publication Date
2006/02/01
Publicized
Online ISSN
1745-1345
DOI
10.1093/ietcom/e89-b.2.570
Type of Manuscript
PAPER
Category
Antennas and Propagation

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