Intercomparison of Precision Current Sources in the Range From 10 fA to 10 pA Between PTB and VNIIM

An intercomparison of precision current sources was carried out for currents between 10 fA to 10 pA. The current sources of both PTB and VNIIM were based on the principle of charging a capacitor using a linear voltage ramp (Rozhdestvenskaya et al., 1979) and (Willenberg et al., 2003). The relative d...

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Bibliographic Details
Main Authors: Willenberg, G.-D., Tauscher, H.N., Pavlov, O.M., Korotkova, I.
Format: Conference Proceeding
Language:English
Subjects:
Calibration
Capacitors
Current measurement
Gain measurement
Instruments
Measurement standards
Metrology
Performance evaluation
Standards development
Voltage
Online Access:Request full text
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Summary:An intercomparison of precision current sources was carried out for currents between 10 fA to 10 pA. The current sources of both PTB and VNIIM were based on the principle of charging a capacitor using a linear voltage ramp (Rozhdestvenskaya et al., 1979) and (Willenberg et al., 2003). The relative deviation for the values of the sources were found to be between 2.8middot10 -4 and 3.1middot10 -3 , depending on the current range
DOI:10.1109/CPEM.2004.305559