DocumentCode
82338
Title
A Thermal Noise Measurement System for Noise Temperature Standards in 
-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., Daejeon, South Korea
Volume
64
Issue
6
fYear
2015
fDate
Jun-15
Firstpage
1741
Lastpage
1747
Abstract
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.
Keywords
cryogenics; measurement standards; measurement uncertainty; noise measurement; radiometers; temperature measurement; thermal noise; W-band waveguide thermal noise measurement system; ambient temperature termination; commercial waveguide noise source; device under test; horn type cryogenic noise source; liquid nitrogen temperature; measurement uncertainty; noise temperature standard; standard noise source; total power waveguide radiometer; Noise; Noise measurement; Radiometers; Standards; Switches; Temperature measurement; Uncertainty; Measurement standards; measurement uncertainty; noise; noise measurement; thermal noise; thermal noise.;
fLanguage
English
Journal_Title
Instrumentation and Measurement, IEEE Transactions on
Publisher
ieee
ISSN
0018-9456
Type
jour
DOI
10.1109/TIM.2015.2398957
Filename
7051211
Link To Document