Design and Experiments of Transmitter for Transcutaneous Energy Transmission

Haitao Zhao, Xiaoying Lv, Guiyang Li, Zhigong Wang
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引用次数: 2

Abstract

The design of the RF transmitter for transcutaneous energy transmission is analyzed and experimentally tested. The transmitter consists of a crystal oscillator, a class-E power amplifier, a supply voltage regulator, and a transmitting coil. The transmitting coils made of enameled wire and the receiving coils made on Printed Circuit Board (PCB) were designed simultaneously. In this paper, the compensated methods of transmitting coils and receiving coils are discussed. The topology and working principle of the transmitter are analyzed, the design parameters of the transmitter are calculated. Driven by a crystal oscillator, the class-E power amplifier operates at 13.56 MHz (ISM frequency band). In the conditions of a distance of 10 mm between two coils and 5-9 V DC supply, the voltage measured across the transmitting coil is from 90 V to 130 V, while the voltage across the receiving coil can reach 28 V. The experimental results are in good agreement with the simulating ones. With a distance of 35 mm and a slice of skin between the coils, the receiving voltage reaches still up to 4 V at least, which meets the need of implanted integrated circuits.
经皮能量传输器的设计与实验
对经皮能量传输射频发射机的设计进行了分析和实验测试。发射机由一个晶体振荡器、一个e类功率放大器、一个电源稳压器和一个发射线圈组成。同时设计了用漆包线制作的发射线圈和印制电路板制作的接收线圈。本文讨论了发射线圈和接收线圈的补偿方法。分析了变送器的拓扑结构和工作原理,计算了变送器的设计参数。e类功率放大器由晶体振荡器驱动,工作频率为13.56 MHz (ISM频段)。在两个线圈之间距离为10mm,使用5- 9v直流电源的情况下,发射线圈两端的测量电压为90v ~ 130v,而接收线圈两端的测量电压可达28v。实验结果与模拟结果吻合较好。线圈之间距离为35mm,有一层皮肤,接收电压至少仍可达4v,满足植入集成电路的需要。
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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