Developing a thermal noise measurement system in W-band

Author

Tae-Weon Kang ; Jeong-Hwan Kim ; No-Weon Kang ; Jin-Seob Kang

Author_Institution

Center for Electromagn. Wave, Korea Res. Inst. of Stand. & Sci. (KRISS), Daejeon, South Korea

fYear

2014

fDate

24-29 Aug. 2014

Firstpage

176

Lastpage

177

Abstract

A thermal noise measurement system in W-band has been developed for noise standards. A horn-type cryogenic noise source operating at liquid nitrogen boiling temperature and an ambient temperature termination have been employed as reference noise sources for two distinct standard noise temperatures. In order to measure noise power radiated from the noise sources, a W-band waveguide radiometer was designed and constructed. Preliminary results of a waveguide diode noise source were presented.

Keywords

boiling; cryogenics; electric noise measurement; measurement standards; millimetre wave measurement; radiometers; temperature measurement; thermal noise; W-band waveguide radiometer; ambient temperature termination; distinct standard noise temperature; horn-type cryogenic noise source; liquid nitrogen boiling temperature; noise standard; reference noise source; thermal noise measurement system; waveguide diode noise source; Electromagnetic waveguides; Noise; Noise measurement; Radiometry; Standards; Temperature measurement; Thermal noise; Noise; noise figure; noise temperature; waveguide;

fLanguage

English

Publisher

ieee

Conference_Titel

Precision Electromagnetic Measurements (CPEM 2014), 2014 Conference on

Conference_Location

Rio de Janeiro

ISSN

0589-1485

Print_ISBN

978-1-4799-5205-2

Type

conf

DOI

10.1109/CPEM.2014.6898316

Filename

6898316