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IEICE TRANSACTIONS on Electronics

Class-E Synchronous RF Rectifier: Circuit Formulation, Geodesic Trajectory, Time-Domain Simulation, and Prototype Experiment

Ryoya HONDA, Minoru MIZUTANI, Masaya TAMURA, Takashi OHIRA

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Summary :

This paper formulates a class-E synchronous RF rectifier from a new viewpoint. The key point is to introduce a matrix and convolute the DC terms into RF matrices. The explicit expression of input impedance is demonstrated in plane geometry. We find out their input impedance exhibits a geodesic arc in hyperbolic geometry under ZVS operation, where the theoretical RF-DC conversion efficiency results in 100%. We verify the developed theory both numerically (circuit simulation) and experimentally (6.78MHz, 100W). We confirm that the input impedance becomes a geodesic arc for a wide range of DC load resistance. The presented theory is quite elegant since it is based on a matrix-based formulation and plane-geometrical expression.

Publication
IEICE TRANSACTIONS on Electronics Vol.E106-C No.11 pp.698-706
Publication Date
2023/11/01
Publicized
2023/05/10
Online ISSN
1745-1353
DOI
10.1587/transele.2023MMP0004
Type of Manuscript
Special Section PAPER (Special Section on Microwave and Millimeter-Wave Technologies)
Category

Authors

Ryoya HONDA
  Toyohashi University of Technology
Minoru MIZUTANI
  Toyohashi University of Technology
Masaya TAMURA
  Toyohashi University of Technology
Takashi OHIRA
  Toyohashi University of Technology

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