Implants

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A Single-Transducer Ultrasound System for Concurrent Power Harvesting and Adaptive Backscatter Communication in Bio-Implants

A Single-Transducer Ultrasound System for Concurrent Power Harvesting and Adaptive Backscatter Communication in Bio-Implants 150 150
Author(s): Conghao Gao, Weiran Chen, Zhenghao Li, Yiqing Lan, Chenyuan Zhang, Yida Li, Yipeng Lu, Longyang Lin, Jiamin Li

Abstract:

Bioelectronic implants have enabled precise and closed-loop interfacing with biological systems to diagnose, monitor, and treat disorders. A critical challenge for these chronically implanted systems is the design of a robust, real-time wireless data uplink and a continuous, efficient wireless power delivery link within a severely constrained form factor. Ultrasound, …

Published in: IEEE Journal of Solid-State Circuits
Page(s): 1 – 12
Year of Publication: 2026
Electronic ISSN: 1558-173X
DOI: 10.1109/JSSC.2026.3690876
Publisher: IEEE

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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
Author(s): Tianqi Lu, Sijun Du

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 …

Published in: IEEE Journal of Solid-State Circuits
Page(s): 1 – 14
Year of Publication: 2025
Electronic ISSN: 1558-173X
DOI: 10.1109/JSSC.2025.3617375
Publisher: IEEE

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