The Distributed Josephson Inductance Phase Shifter

被引：24

作者：

Durand, Dale J. ^{[1
]}

Carpenter, James ^{[1
]}

Ladizinsky, Eric ^{[1
]}

Lee, L. ^{[1
]}

Jackson, Charles M. ^{[1
]}

Silver, Arnold ^{[1
]}

Smith, Andrew D. ^{[1
]}

机构：

[1] TRW Space & Technol Grp, Redondo Beach, CA 90278 USA

来源：

IEEE TRANSACTIONS ON APPLIED SUPERCONDUCTIVITY | 1992年 / 2卷 / 01期

关键词：

D O I：

10.1109/77.124932

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：

We report on a novel microwave phase shifter featuring rapid electronic adjustment, continuous phase control, true time delay operation, high device fault tolerance, and very broad-band operation. By coupling a large number of superconducting quantum interference devices (SQUID's) to a superconducting microstrip transmission line, we create a variable magnetic medium in which the wave velocity is controlled electronically. We have measured 60 degrees phase shift at 10 GHz, and wideband operation from 5 to 15 GHz for an 8-cm long Nb transmission line coupled to 1600 SQUID's, each containing a single Nb/AlOx/Nb tunnel junction. The observed phase shift corresponds to a change in wave velocity of about 1 part in 60.

引用

页码：33 / 38

页数：6

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