2024
DOI: 10.1587/elex.21.20240043
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RF-DC conversion circuit using quadrature hybrid for complex maximum power point tracking

Kozaburo Tanahashi,
Hiroshi Hirayama

Abstract: This paper proposes the concept of a complex maximum power point tracking (MPPT) circuit for adaptive conjugate impedance matching of wireless power transfer. The proposed circuit consists of an orthogonal power distribution circuit using quadrature hybrid and two rectifier circuits and DC-DC converters. By controlling the input impedance of two DC-DC converters, the complex impedance of RF input can be varied to satisfy complex conjugate matching. This circuit enables high-power and high-frequency handling fo… Show more

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