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首页> 外文期刊>IEEE Journal of Solid-State Circuits >Simultaneous Transmission of Up To 94-mW Self-Regulated Wireless Power and Up To 5-Mb/s Reverse Data Over a Single Pair of Coils
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Simultaneous Transmission of Up To 94-mW Self-Regulated Wireless Power and Up To 5-Mb/s Reverse Data Over a Single Pair of Coils

机译:同时传输高达94兆瓦的自控无线电源,在一对线圈上通过高达5 MB / s反向数据

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摘要

A method to transmit power and to communicate data in the reverse direction over only one pair of inductive coils is described. The system self-regulates the delivered load voltage, with no monitoring of or explicit feedback from the power receiver. Up to 94 mW of power can be transmitted over distances as large as 4.2 cm using coils of 3 cm diameter. The received voltage is unaffected by changes in coil separation up to a certain limit and also by changes of up to 40x in load current demand. A constant envelope frequency-shift keying (FSK) modulation is also described to transmit data in the reverse channel that exploits mode-selection properties of a free-running oscillator. This allows smooth, uninterrupted delivery of power while data is being transmitted.
机译:描述了一种用于发送功率的方法并仅通过一对电感线圈在反向中传送数据。系统自动调节输送的负载电压,没有监控电源接收器的或明确反馈。高达94兆瓦的功率可通过3厘米直径为4.2厘米的距离传输。接收的电压不受线圈分离的变化的影响,直到一定限度,并且在负载电流需求中的变化也可以变化高达40倍。还描述了恒定的包络频移键控(FSK)调制以在反向信道中发送利用自由运行振荡器的模式选择属性的反向信道中的数据。这允许在传输数据时平滑,不间断地输送电源。

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