US Department of Transportation

A 40.68-MHz Dual-Output Wireless Power Transfer System for Millimeter-Scale Biomedical Implants

A 40.68-MHz Dual-Output Wireless Power Transfer System for Millimeter-Scale Biomedical Implants 150 150

Abstract:

This article presents a single-link, dual-output wireless power transfer (WPT) system operating at 40.68 MHz for miniature, high-power biomedical implants. The elevated carrier frequency enables a millimeter-scale receiver (RX) coil while maintaining link efficiency and output power comparable to low-frequency WPT designs. End-to-end (E2E) efficiency is optimized through global power …

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