Improving the primary power standard below 10 MHz with thermoelectric sensors

Author

Brunetti, L. ; Oberto, L. ; Sellone, M.

Author_Institution

Ist. Naz. di Ricerca in Metrologia, Torino

fYear

2008

fDate

8-13 June 2008

Firstpage

518

Lastpage

519

Abstract

High frequency power standard is quite everywhere implemented using the microcalorimeter technique. At INRiM a twin type coaxial microcalorimeter is used to measure the effective efficiency of thermoelectric detectors from direct current up to 40 GHz. However, below 10 MHz there is a lack of sensitivity that reduces the power standard accuracy. To work around the problem, we propose to calibrate the power detectors trough RF voltage measurements in the lowest frequency band.

Keywords

calibration; calorimetry; measurement standards; microsensors; microwave measurement; power measurement; thermoelectric devices; INRiM; calibration; high-frequency power standard; power detectors; primary power standard; thermoelectric detectors; thermoelectric sensors; trough RF voltage measurement; twin type coaxial microcalorimeter technique; Bolometers; Coaxial components; Detectors; Electromagnetic heating; Hafnium; Power measurement; Radio frequency; Thermal sensors; Thermoelectricity; Voltage measurement;

fLanguage

English

Publisher

ieee

Conference_Titel

Precision Electromagnetic Measurements Digest, 2008. CPEM 2008. Conference on

Conference_Location

Broomfield, CO

Print_ISBN

978-1-4244-2399-6

Electronic_ISBN

978-1-4244-2400-9

Type

conf

DOI

10.1109/CPEM.2008.4574881

Filename

4574881