Development of high efficiency rectification circuit for mW-class rectenna

Kazuhiro Fujimori; Kazuya Tada; Yusuke Ueda; Minoru Sanagi; Shigeji Nogi

doi:10.1109/EUMC.2005.1610187

Development of high efficiency rectification circuit for mW-class rectenna

Kazuhiro Fujimori, Kazuya Tada, Yusuke Ueda, Minoru Sanagi, Shigeji Nogi

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

6 Citations (Scopus)

Abstract

For applications of the microwave power transmission technology, it is necessary to realize high efficiency rectennas or rectification circuits. Especially, RF-ID's or ubiquitous power sources demand high RF-DC conversion efficiency for below mW microwave inputs. However, almost all past rectennas or rectification circuits were designed for over 100mW rectifying and the RF-DC conversion efficiencies were less than 20% at 1mW microwave input. In this paper, we investigate rectification circuits for developing mW-class rectennas. Discussing diode mount structures in order to increase the efficiency below 10mW microwave input, we succeeded in developing a rectification circuit whose efficiency is 62.8% for a 10mW microwave input. We also find that approximately 30% of the input microwave power is consumed by the diode in the rectification circuit.

Original language	English
Title of host publication	35th European Microwave Conference 2005 - Conference Proceedings
Pages	1355-1358
Number of pages	4
DOIs	https://doi.org/10.1109/EUMC.2005.1610187
Publication status	Published - Dec 1 2005
Event	2005 European Microwave Conference - Paris, France Duration: Oct 4 2005 → Oct 6 2005

Publication series

Name	35th European Microwave Conference 2005 - Conference Proceedings
Volume	2

Other

Other	2005 European Microwave Conference
Country	France
City	Paris
Period	10/4/05 → 10/6/05

ASJC Scopus subject areas

Engineering(all)

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10.1109/EUMC.2005.1610187

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Development of high efficiency rectification circuit for mW-class rectenna. / Fujimori, Kazuhiro; Tada, Kazuya; Ueda, Yusuke; Sanagi, Minoru; Nogi, Shigeji.

35th European Microwave Conference 2005 - Conference Proceedings. 2005. p. 1355-1358 1610187 (35th European Microwave Conference 2005 - Conference Proceedings; Vol. 2).

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

Fujimori, K, Tada, K, Ueda, Y, Sanagi, M & Nogi, S 2005, Development of high efficiency rectification circuit for mW-class rectenna. in 35th European Microwave Conference 2005 - Conference Proceedings., 1610187, 35th European Microwave Conference 2005 - Conference Proceedings, vol. 2, pp. 1355-1358, 2005 European Microwave Conference, Paris, France, 10/4/05. https://doi.org/10.1109/EUMC.2005.1610187

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AB - For applications of the microwave power transmission technology, it is necessary to realize high efficiency rectennas or rectification circuits. Especially, RF-ID's or ubiquitous power sources demand high RF-DC conversion efficiency for below mW microwave inputs. However, almost all past rectennas or rectification circuits were designed for over 100mW rectifying and the RF-DC conversion efficiencies were less than 20% at 1mW microwave input. In this paper, we investigate rectification circuits for developing mW-class rectennas. Discussing diode mount structures in order to increase the efficiency below 10mW microwave input, we succeeded in developing a rectification circuit whose efficiency is 62.8% for a 10mW microwave input. We also find that approximately 30% of the input microwave power is consumed by the diode in the rectification circuit.

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Development of high efficiency rectification circuit for mW-class rectenna

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