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| Content Provider | IEEE Xplore Digital Library |
|---|---|
| Author | Ping-Hsuan Hsieh Chih-Hsien Chou Tao Chiang |
| Copyright Year | 2004 |
| Abstract | A 900-MHz radio-frequency energy harvester is designed and implemented for remotely powered devices. An efficient power path structure with adaptive control is proposed to maintain close-to-optimal power conversion efficiency. The control circuit consumes low power by adopting a novel open-loop asynchronous implementation and duty-cycled operation. A startup circuit is also presented. Measurement results show minimum input available power for startup of -17 dBm. With input available power of -12 dBm and load resistance of 144 kΩ, the measured output power is 27.8 μW, giving an output voltage of 2 V. This corresponds to an end-to-end power conversion efficiency of 44.1%. The harvester consumes quiescent current of 1.56 μA at output voltage of 2 V. |
| Sponsorship | IEEE Circuits and Systems Society |
| Starting Page | 1528 |
| Ending Page | 1537 |
| Page Count | 10 |
| File Size | 2578548 |
| File Format | |
| ISSN | 15498328 |
| Volume Number | 62 |
| Issue Number | 6 |
| Language | English |
| Publisher | Institute of Electrical and Electronics Engineers, Inc. (IEEE) |
| Publisher Date | 2015-01-01 |
| Publisher Place | U.S.A. |
| Access Restriction | One Nation One Subscription (ONOS) |
| Rights Holder | Institute of Electrical and Electronics Engineers, Inc. (IEEE) |
| Subject Keyword | Radio frequency Switches Loading Impedance Power generation Sensitivity Timing wireless sensor node DC-DC boost converter energy harvesting full-bridge differential rectifier passively powered device power conversion efficiency radio-frequency energy harvesting remotely powered device wireless sensor network |
| Content Type | Text |
| Resource Type | Article |
| Subject | Electrical and Electronic Engineering Hardware and Architecture |
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