Wide Dynamic-Range and High-Efficiency Shunt-Diode Rectifier Based on Class-R Harmonic Control and Resistance Compression Network
- Authors
- Nguyen, Dang-An; Woo, Kyusik; Bui, Gia Thang; Nam, Hyungseok; Seo, Chulhun
- Issue Date
- Apr-2024
- Publisher
- IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC
- Keywords
- Class-R rectifier; harmonic control; resistance compression network; impedance matching; wireless power transfer; energy harvesting
- Citation
- IEEE TRANSACTIONS ON CIRCUITS AND SYSTEMS II-EXPRESS BRIEFS, v.71, no.4, pp 2359 - 2363
- Pages
- 5
- Journal Title
- IEEE TRANSACTIONS ON CIRCUITS AND SYSTEMS II-EXPRESS BRIEFS
- Volume
- 71
- Number
- 4
- Start Page
- 2359
- End Page
- 2363
- URI
- https://scholarworks.bwise.kr/ssu/handle/2018.sw.ssu/49537
- DOI
- 10.1109/TCSII.2023.3332085
- ISSN
- 1549-7747
1558-3791
- Abstract
- This brief presents a novel methodology for designing a high-efficiency and wide dynamic-range (DR) rectifier with shunt-diode configuration for wireless power transfer (WPT) and energy harvesting (EH). The proposed structure employs, in the first time, an impedance variation reduction (IVR) mechanism based on the principle of the resistance compression network (RCN) for fundamental matching and a harmonic control based on the class-R operation, which can minimize both impedance mismatch loss and diode loss, and then achieve optimal power conversion efficiency (PCE) within a wide range of input power. A rectifier using a Schottky diode model BAT15-03W is designed and measured at a target frequency of 2.45 GHz for verification. In accordance with measurements, the rectifier can yield peak PCE of 82.3% at 12 dBm while a wide DR of <50%, indicating a superior performance to the other designs.
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