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首页> 外文期刊>Physica, C. Superconductivity and its applications >Design optimization for microwave coupling structures of a digital-to-analog converter based on series arrays of high-temperature superconducting Josephson junctions
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Design optimization for microwave coupling structures of a digital-to-analog converter based on series arrays of high-temperature superconducting Josephson junctions

机译:基于高温超导约瑟夫逊结串联阵列的数模转换器微波耦合结构的设计优化

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摘要

A new coupling scheme of the external microwave signal for a digital-to-analog converter based on series arrays of high-temperature superconducting Josephson junctions has been proposed. It is suggested to couple the meander-like array inductively to a parallel microwave transmission line. Within the resistively shunted junction model different types of microwave coupling structures were analyzed with the goal to reduce the mutual phase locking and to achieve high output power and phase-locking stability. A harmonic balance technique was used to derive an analytic expression connecting We amplitudes of microwave voltages and currents in the array and the frequency of the external signal. Numerical simulations were performed to determine the boundaries of stable locking as a function of circuit parameters. (C) 2001 Elsevier Science B.V. All rights reserved. [References: 8]
机译:提出了一种基于高温超导约瑟夫森结串联阵列的数模转换器外部微波信号耦合新方案。建议将曲折状阵列感应耦合至平行的微波传输线。在电阻分流结模型中,分析了不同类型的微波耦合结构,目的是减少相互锁相并实现高输出功率和锁相稳定性。谐波平衡技术被用于导出一个解析表达式,该表达式将阵列中微波电压和电流的幅度与外部信号的频率连接起来。进行数值模拟以确定稳定锁定的边界,该边界是电路参数的函数。 (C)2001 Elsevier Science B.V.保留所有权利。 [参考:8]

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