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Efficient Dual Band RF Energy Harvesting Front End for Ultra Low Power Sensitive Passive Wearable DevicesPublished in Institute of Electrical and Electronics Engineers Inc.
2015
DOI: 10.1109/ISED.2014.25
Pages: 84 - 89
This paper demonstrates a double-band RF energy harvesting system, to be used with a passive wearable device operating at a distance of 6-20 m from a wireless power source. The double-band RF energy harvesting circuit that is presented in this paper, can harvest an input power as low as-14 dBm from both 925 MHz and 2.4 GHz, ISM frequencies. The harvesting circuit is implemented in a standard 0.18 μm CMOS technology and gives a regulated output voltage of 1.1 V. Post-layout simulations show an overall system efficiency of 41.87% and 46.95% at 953 MHz and 2.4 GHz respectively, while driving a load resistance of 60 kand#x03A9;. © 2014 IEEE.
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About the journal
| Journal | Data powered by TypesetProceedings - 2014 5th International Symposium on Electronic System Design, ISED 2014 |
|---|---|
| Publisher | Data powered by TypesetInstitute of Electrical and Electronics Engineers Inc. |
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