A high-temperature superconducting monolithic microwave integrated Josephson down-converter with high conversion efficiency

被引：18
|
作者：
Du, J. [1 ]
Zhang, T. [2 ,3 ]
Guo, Y. J. [2 ]
Sun, X. W. [3 ]
机构：
[1] CSIRO Mat Sci & Engn, Lindfield, NSW 2070, Australia
[2] CSIRO ICT Ctr, Epping, NSW 1710, Australia
[3] Chinese Acad Sci, Shanghai Inst Microsyst & Informat Technol, Shanghai, Peoples R China
来源：
APPLIED PHYSICS LETTERS | 2013年 / 102卷 / 21期
关键词：
MIXER;
D O I：
10.1063/1.4808106
中图分类号：
O59 [应用物理学];
学科分类号：
摘要：
A compact high-T-c superconducting monolithic microwave integrated circuit Josephson down-converter is presented. The circuit consists of a single Josephson junction mixer, a bandpass filter, a lowpass filter, and a resonator for local oscillator fabricated on a single 10 mm x 20 mm chip of YBa2Cu3O7-x film on MgO substrate. The down-converter demonstrates superior performance in terms of conversion efficiency, dynamic range, linearity, and low local oscillator power with stable operation from 20 to 77 K. A maximum conversion gain of -4.7 dB was measured at 20 K and -12.8 dB at 70 K.
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页数：4
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