The Australian National Standards Laboratory X-Band Radiometer for the Calibration of Noise Sources

The chief possible causes of error in the calibration of microwave noise sources are examined and a radiometer designed to minimize these errors is described. This includes a self-contained hot-load standard, facilities for measuring the hot-guide losses, a synchronously switched broad-band circulat...

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Bibliographic Details
Published in:IEEE transactions on microwave theory and techniques 1968-09, Vol.16 (9), p.664-669
Main Authors: Somlo, P.I., Hollway, D.L.
Format: Article
Language:English
Subjects:
Attenuation measurement
Attenuators
Australia
Calibration
Laboratories
Lamps
Loss measurement
Measurement standards
Microwave radiometry
Noise measurement
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Description
Summary:The chief possible causes of error in the calibration of microwave noise sources are examined and a radiometer designed to minimize these errors is described. This includes a self-contained hot-load standard, facilities for measuring the hot-guide losses, a synchronously switched broad-band circulator, a switchable, high-stability attenuator, provision for measuring this attenuation, and a carbon-filament lamp reference noise source.
ISSN:0018-9480
1557-9670
DOI:10.1109/TMTT.1968.1126769