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High-efficiency rectifier using composite right-/left-handed transmission line
- Authors
- Choi, S.; Lim, Sungjoon
- Issue Date
- Nov-2013
- Publisher
- INST ENGINEERING TECHNOLOGY-IET
- Keywords
- harmonics suppression; fundamental frequency; phase response; frequency 900 MHz; resistance 50 ohm; efficiency 69; 9 percent; power 50 mW; resistance 1; 8 kohm
- Citation
- ELECTRONICS LETTERS, v.49, no.23, pp 1473 - 1474
- Pages
- 2
- Journal Title
- ELECTRONICS LETTERS
- Volume
- 49
- Number
- 23
- Start Page
- 1473
- End Page
- 1474
- ISSN
- 0013-5194
1350-911X
- Abstract
- A novel high-efficiency rectifier using a composite right-/left-handed (CRLH) transmission line (TL) is proposed for 900 MHz wireless power transmission applications. The open-ended CRLH TL stub replaces the bandpass filter (BPF) of a conventional rectifier and has a small size as compared to the traditional BPF. The open-ended CRLH TL stub is designed to suppress the second and third harmonics and to match the fundamental frequency to 50 impedance. The maximum RF-to-DC conversion efficiency of the proposed rectifier is 69.9% at an input power of 50 mW and a load of 1.8 k. A design procedure based on the phase response of a CRLH TL is presented and validated by simulated and measurement results.
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