Broadband calibration of long lossy microwave transmission lines at cryogenic temperatures using nichrome films

被引:25
|
作者
Stutzman, ML [1 ]
Lee, M
Bradley, RF
机构
[1] Univ Virginia, Dept Phys, Charlottesville, VA 22903 USA
[2] Lucent Technol, Bell Labs, Murray Hill, NJ 07974 USA
[3] Natl Radio Astron Observ, Charlottesville, VA 22903 USA
来源
REVIEW OF SCIENTIFIC INSTRUMENTS | 2000年 / 71卷 / 12期
关键词
D O I
10.1063/1.1322577
中图分类号
TH7 [仪器、仪表];
学科分类号
0804 ; 080401 ; 081102 ;
摘要
A one-port method to calibrate the S parameters of a long, lossy microwave transmission line in a cryogenic system is presented. This method exploits the relative temperature independence and frequency stability of nichrome thin films used as a known termination load. We have used the calibration on coaxial lines 1.2 m long from 0.5 to 12 GHz and at temperatures down to 100 mK. (C) 2000 American Institute of Physics. [S0034-6748(00)02712-X].
引用
收藏
页码:4596 / 4599
页数:4
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