An ac Josephson source for Johnson noise thermometry'

被引：0

作者：

Benz, SP ^{[1
]}

Martinis, JM ^{[1
]}

Dresselhaus, PD ^{[1
]}

Nam, SW ^{[1
]}

机构：

[1] NIST, Boulder, CO 80305 USA

来源：

2002 CONFERENCE ON PRECISION ELECTROMAGNETIC MEASUREMENTS, CONFERENCE DIGEST | 2002年

关键词：

D O I：

10.1109/CPEM.2002.1034907

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 adapted the Josephson arbitrary waveform synthesizer to create a quantized voltage noise source suitable for calibrating the cross-correlation electronics of a Johnson noise thermometer system. The requirements of long term stability and low voltage amplitude allow dramatic simplification of the bias electronics compared to previous circuits. We describe the bias technique and the superconducting integrated circuit used to generate the pseudo-noise waveforms.

引用

页码：436 / 437

页数：2

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