Superconducting Kinetic-Inductance Microwave Filters

被引：7

作者：

Carroll, Kenneth R. ^{[1
]}

Pond, Jeffrey M. ^{[1
]}

Cukauskas, Edward J. ^{[1
]}

机构：

[1] Naval Res Lab, Div Elect Sci & Technol, Washington, DC 20375 USA

来源：

IEEE TRANSACTIONS ON APPLIED SUPERCONDUCTIVITY | 1993年 / 3卷 / 01期

关键词：

D O I：

10.1109/77.233664

中图分类号：

TM [电工技术]; TN [电子技术、通信技术];

学科分类号：

0808 ; 0809 ;

摘要：

Several kinetic-inductance microstrip filters have been designed and tested. The microstrip consists of a superconducting niobium carbon nitride (NbCN) strip separated from a NbCN ground plane by an amorphous hydrogenated-silicon dielectric. The circuits investigated include an interferometer, a stepped-impedance, a low-frequency stub, and a high-frequency stub filter. Generally, for frequencies below 20 GHz, good transmission characteristics were measured for these structures. A simple physical model is used to determine the major features of the transmission characteristics over a wide temperature and frequency range. Other important issues such as the superconductor and dielectric losses, impedance matching, and film uniformity are addressed for these structures.

引用

页码：8 / 16

页数：10

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