A Thermal Noise Measurement System for Noise Temperature Standards in W-Band

被引：5
|
作者：
Kang, Tae-Weon [1 ,2 ]
Kim, Jeong-Hwan [1 ]
Kang, No-Weon [1 ]
Kang, Jin-Seob [1 ]
机构：
[1] Korea Res Inst Stand & Sci, Ctr Electromagnet Wave, Div Phys Metrol, Taejon 305340, South Korea
[2] Univ Sci & Technol, Dept Med Phys, Taejon 305350, South Korea
来源：
IEEE TRANSACTIONS ON INSTRUMENTATION AND MEASUREMENT | 2015年 / 64卷 / 06期
关键词：
Measurement standards; measurement uncertainty; noise; noise measurement; thermal noise; SET; GHZ;
D O I：
10.1109/TIM.2015.2398957
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：
A W-band waveguide noise measurement system has been developed for noise temperature (NT) standards. The system consists of two standard noise sources and a waveguide radiometer. A horn-type cryogenic noise source operating at the liquid nitrogen temperature and an ambient temperature termination have been employed as standard noise sources. To measure noise power radiated from the noise sources including a device under test, a total-power waveguide radiometer has been constructed and its performance has been evaluated. Measured NT of a commercial waveguide noise source is presented with the measurement uncertainty of 0.10-0.13 dB (k = 2) in W-band.
引用
收藏
页码：1741 / 1747
页数：7
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