The most accurate generation of dc currents in the lower ranges is performed with the capacitance-charging technique. Implementations of the method are typically limited to an upper current in the 100 pA range. Here we present a range extender which can be employed as plug-in in existing setups. The extender permits to scale the current of a ×10 factor and reach the nA range. Results of calibration of low-current meters with and without the use of the extender are reported.
Calibration of low-current meters at nA level with the capacitance-charging method / Callegaro, Luca; D'Elia, V.. - (2013). (Intervento presentato al convegno 19th IMEKO TC4 Symposium Measurements of Electrical Quantities tenutosi a Barcelona, Spain nel 18-19 Sep 2013).
Calibration of low-current meters at nA level with the capacitance-charging method
CALLEGARO, LUCA;
2013
Abstract
The most accurate generation of dc currents in the lower ranges is performed with the capacitance-charging technique. Implementations of the method are typically limited to an upper current in the 100 pA range. Here we present a range extender which can be employed as plug-in in existing setups. The extender permits to scale the current of a ×10 factor and reach the nA range. Results of calibration of low-current meters with and without the use of the extender are reported.I documenti in IRIS sono protetti da copyright e tutti i diritti sono riservati, salvo diversa indicazione.
