Title :
Novel digital voltage ramp generator for picoammeter calibrations
Author :
Willenberg, G.D. ; Tauscher, H.N.
Author_Institution :
Phys.-Tech. Bundesanstalt, Braunschweig
Abstract :
For the calibration of picoammeters a novel highly linear voltage ramp generator has been constructed which is based on digital electronics and two digital-to-analog-converters (DACs). In contrast to our previous ramp generator constructed entirely in analog electronics the new design allows for the first time to perform dynamic measurements without any sacrifice of linearity.
Keywords :
ammeters; calibration; digital-analogue conversion; ramp generators; calibration; digital electronics; digital voltage ramp generator; digital-analog converters; dynamic measurements; linear voltage ramp generator; picoammeter; Calibration; Capacitance; Capacitors; Linearity; Microcontrollers; Performance evaluation; Prototypes; Stability; Time measurement; Voltage;
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
DOI :
10.1109/CPEM.2008.4574760
