Matrix-Based Formulation and Plane-Geometrical Expression of Class-E Synchronous RF Rectifiers

Honda, Ryoya; Mizutani, Minoru; Tamura, Masaya; Ohira, Takashi

doi:10.23919/apmc55665.2022.9999970

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2023

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“…This paper attempts to formulate class-E synchronous RF rectifiers from a new viewpoint [21]. The viewpoint stems from a recent article [22] on class-E power amplifiers.…”

Section: Introductionmentioning

confidence: 99%

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

Honda

Mizutani

Tamura

et al. 2023

IEICE Trans. Electron.

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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 (6.78 MHz, 100 W). 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 planegeometrical expression.

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“…This paper attempts to formulate class-E synchronous RF rectifiers from a new viewpoint [21]. The viewpoint stems from a recent article [22] on class-E power amplifiers.…”

Section: Introductionmentioning

confidence: 99%