Naslov
High accuracy digital nanovoltmeter for maintenance of voltage standards

Autori
Šala, Alan ; Ilić, Damir ; Leniček, Ivan

Vrsta, podvrsta i kategorija rada
Radovi u zbornicima skupova, cjeloviti rad (in extenso), znanstveni

Izvornik
Proceedings of the 1st International Symposium RMO 2008 & 20th International Metrology Symposium / Ilić, Damir ; Boršić, Mladen ; Jurčević, Marko - Cavtat : International Measurement Confederation (IMEKO) ; Hrvatsko mjeriteljsko društvo, 2008, 159-163

ISBN
978-953-95179-1-3

Skup
1st International Symposium RMO 2008 - Regional Metrology Organizations & 20th International Metrology Symposium

Mjesto i datum
Cavtat, Hrvatska, 12.11.2008. - 15.11.2008

Vrsta sudjelovanja
Predavanje

Vrsta recenzije
Međunarodna recenzija

Ključne riječi
voltage comparator; nanovoltmeter; Allan deviation

Sažetak
At the Primary Electromagnetic Laboratory, which is a part of the Faculty of Electrical Engineering and Computing of the University of Zagreb, the maintenance of the unit of volt is one of its important tasks, due to its role as a holder of national standards of voltage. For the comparison of voltage standards (primary Zener references) a direct method is used, in which a digital nanovoltmeter is essential part for accurate measurement of small voltage differences. Developed digital nanovoltmeter is based on the use of sigma-delta (Σ -Δ ) ADC and simultaneously measurement on two input channels, taking the role of comparator as well. It has a very high resolution, stability and input resistance, and has been tested and used in such application, which is presented in this paper

Izvorni jezik
Engleski

Znanstvena područja
Elektrotehnika

POVEZANOST RADA