A wireless power telemetry with self-calibrated resonant frequency

2009 International Symposium on VLSI Design, Automation and Test Pub Date : 2009-04-28 DOI:10.1109/VDAT.2009.5158100

Wei-Jen Huang, Chein-Lung Chen, Shen-Iuan Liu

引用次数: 1

Abstract

A wireless power telemetry with self-calibrated resonant frequency is presented. The proposed calibration scheme adjusts the resonant frequency of inductively secondary coil to match the incident frequency of inductively primary coil. To adjust the resonant frequency of the secondary coil, the received power efficiency is improved. By experimented results, the overall power efficiency with frequency calibration is improved by a factor of 33%, compared with that one without frequency calibration. This wireless power telemetry has been fabricated in a standard 0.35µm CMOS process, and the chip area is 1.536mm2 including I/O pads.

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具有自校准谐振频率的无线电力遥测装置

提出了一种自校准谐振频率的无线电力遥测技术。该校正方案通过调整感应次级线圈的谐振频率，使之与感应初级线圈的入射频率相匹配。通过调整二次线圈的谐振频率，提高了接收功率效率。实验结果表明，与不进行频率校准相比，进行频率校准后的整体功率效率提高了33%。这种无线电力遥测技术采用标准的0.35 μ m CMOS工艺制造，芯片面积为1.536mm2，包括I/O垫。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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2009 International Symposium on VLSI Design, Automation and Test

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