Abstract
This letter presents a novel adaptive rectifier for wireless power transmission (WPT) applications. By utilizing a depletion- mode field-effect transistor (FET) switch, the configuration of the rectifier can automatically adapt to the input power level. Compared with traditional rectifiers, it can provide a consistent high RF-to-dc power conversion efficiency (PCE) over a significantly extended operating input power range. Measured results show that the PCE of this proposed adaptive rectifier keeps above 50% in the input power range spanning from 14 up to 21 dBm. Additionally, maximum PCE of more than 75% is achieved in the input power range from 5 to 15 dBm. © 2001-2012 IEEE.
| Original language | English |
|---|---|
| Article number | 6480896 |
| Pages (from-to) | 492-494 |
| Journal | IEEE Microwave and Wireless Components Letters |
| Volume | 23 |
| Issue number | 9 |
| DOIs | |
| Publication status | Published - 2013 |
| Externally published | Yes |
Bibliographical note
Publication details (e.g. title, author(s), publication statuses and dates) are captured on an “AS IS” and “AS AVAILABLE” basis at the time of record harvesting from the data source. Suggestions for further amendments or supplementary information can be sent to [email protected].Research Keywords
- Rectifier
- Switch
- Wireless power transmission (WPT)
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