Title :
Improvements on INRIM coaxial microcalorimeter
Author :
Brunetti, L. ; Oberto, L. ; Sellone, M. ; Shoaib, Nosherwan ; Vremera, E.
Author_Institution :
Ist. Naz. di Ricerca Metrol. (INRIM), Turin, Italy
Abstract :
This paper describes hardware and software improvements of the INRIM coaxial microcalorimeter together with their effect on the primary power standard realization in the frequency band 0.05 - 40 GHz. A better temperature and power stabilization turned out to provide an improved signal/noise ratio and a drift reduction in every working condition of the microcalorimeter. Results are presented in form of a 2.92 mm thermoelectric power sensor calibration together with graphs that show the improved stability and repeatability of the measurement system.
Keywords :
UHF measurement; calibration; calorimeters; microsensors; microwave measurement; millimetre wave measurement; power measurement; thermoelectric devices; INRIM coaxial microcalorimeter; drift reduction; frequency 0.05 GHz to 40 GHz; power stabilization; primary power standard; signal-noise ratio; size 2.92 mm; temperature stabilization; thermoelectric power sensor calibration; Calibration; Microwave measurement; Microwave theory and techniques; Power measurement; Standards; Temperature measurement; Thermal stability; Broadband microcalorimeter; microwave measurements; microwave standards; power measurement; thermoelectric devices;
Conference_Titel :
Precision Electromagnetic Measurements (CPEM 2014), 2014 Conference on
Conference_Location :
Rio de Janeiro
Print_ISBN :
978-1-4799-5205-2
DOI :
10.1109/CPEM.2014.6898603
