A SERIES ARRAY OF DC SQUIDS

被引：151
|
作者：
WELTY, RP [1 ]
MARTINIS, JM [1 ]
机构：
[1] NATL INST STAND & TECHNOL,BOULDER,CO 80303
来源：
IEEE TRANSACTIONS ON MAGNETICS | 1991年 / 27卷 / 02期
关键词：
D O I：
10.1109/20.133821
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 have fabricated a series array of 100 dc SQUIDs using trilayer Nb-AlO(x)-Nb junctions. The SQUIDs are modulated with a common flux bias line and produce an output voltage swing of several millivolts across the array. The large output voltage will allow direct connection to room temperature electronics without the transformer coupling and resulting frequency limitations commonly associated with dc SQUID amplifiers. We have measured a bandwidth of dc to at least 175 MHz for a 100-SQUID array. The series array will be used as the output stage for a multistage integrated SQUID amplifier.
引用
收藏
页码：2924 / 2926
页数：3
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