一种铁磁流体驱动的液态金属射频开关

2018 IEEE MTT-S International Microwave Workshop Series on Advanced Materials and Processes for RF and THz Applications (IMWS-AMP) Pub Date : 2018-07-01 DOI:10.1109/IMWS-AMP.2018.8457161

A. Combs, Kevin A. Kam, A. Ohta, W. Shiroma

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引用次数: 1

摘要

液态金属的铁磁流体驱动首次在射频设备上得到演示，它利用低损耗烃基铁磁流体的磁响应来实现简单的射频开关。与现有液态金属驱动方法中常用的有损耗水溶液相比，铁磁流体在50 MHz至20 GHz范围内平均减少了4.9 dB的损耗。这些结果为液态金属可重构射频电路提供了一个有希望的替代方案。

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A Ferrofluidically Actuated Liquid-Metal RF Switch

Ferrofluidic actuation of liquid metal, demonstrated for the first time on an RF device, employs the magnetic response of a low-loss hydrocarbon-based ferrofluid for a simple RF switch. The ferrofluid is shown to reduce losses by an average of 4.9 dB from 50 MHz to 20 GHz compared to a lossy aqueous solution commonly used in existing actuation methods for liquid metal. These results offer a promising alternative for liquidmetal reconfigurable RF circuits.

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来源期刊

2018 IEEE MTT-S International Microwave Workshop Series on Advanced Materials and Processes for RF and THz Applications (IMWS-AMP)

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