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首页> 外文期刊>Applied Computational Electromagnetics Society journal >Single-Chip Two Antennas for MM-Wave Self-Powering and Implantable Biomedical Devices
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Single-Chip Two Antennas for MM-Wave Self-Powering and Implantable Biomedical Devices

机译：用于MM波自动和可植入生物医学设备的单芯片两根天线

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摘要

Implantable biomedical applications arise the need for multi-band sensors with a wideband frequency channel for RF energy harvesting operation. Using a separate antenna for energy harvesting can simplify device circuit complexity and reduces operation frequency bands interference. This paper demonstrates the design of single chip with two separate integrated antennas for implantable biomedical applications. The two antennas have different structures with orthogonal polarization to achieve low mutual coupling and negligible interaction between them. The first antenna is a multi-band meander line (MBML) designed for multiple channels data communication, with quad operating bands in the MM-wave range from 22-64 GHz with area 1150 x 200 mu m(2). The second antenna is a wideband dipole antenna (WBDA) for RF energy harvesting, operates in the frequency range extend from 28 GHz to 36 GHz with area 1300x250 mu m(2). The proposed antennas are designed by using high frequency structure simulator (HFSS) and fabricated by using UMC180nm CMOS technology with total area 0.55 mm(2). The MBML frequency bands operating bandwidths can reach 2 GHz at impedance bandwidth =-10 dB. While, the WBDA antenna has gain-2 dB over the operating band extend from 28 GHz up to 36 GHz. The antenna performance is simulated separately and using the human-body phantom model that describes layers of fats inside body, and shows their compatibility for in body operation. Die measurements is performed using on wafer-probing RF PICOBROBES and shows the matching between simulation and measurement values.
机译：可植入的生物医学应用产生具有具有宽带频道的多频带传感器，用于RF能量收集操作。使用单独的天线进行用于能量收集，可以简化器件电路复杂性并减少操作频带干扰。本文演示了单芯片的设计，具有两个独立的集成天线，可用于可植入的生物医学应用。两个天线具有不同的结构，具有正交偏振，以实现它们之间的低相互耦合和可忽略的相互作用。第一天线是设计用于多个通道数据通信的多频段曲折线（MBML），在MM波范围内的四边形操作带，具有22-64GHz，具有面积1150×200μm（2）。第二天线是用于RF能量收集的宽带偶极天线（WBDA），在频率范围内操作从28GHz到36GHz，具有面积1300x250μm（2）。所提出的天线是通过使用高频结构模拟器（HFSS）设计的，并通过使用UMC180NM CMOS技术制造，总面积为0.55 mm（2）。 MBML频带操作带宽可以在阻抗带宽处达到2 GHz＆ = - 10 dB。虽然，WBDA天线在操作频段上具有增益-2 dB，从28 GHz延伸到36 GHz。天线性能分别模拟，并使用描述身体内部脂肪层的人体幻影模型，并显示它们在体型中的兼容性。使用晶片探测RF Picobrobes进行模具测量，并显示模拟和测量值之间的匹配。

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