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Number 3281
Making Low Current Measurements
Application Note with a Series 2280S Precision
Series
Measurement DC Power Supply
Introduction burden created by the DMM. Even though the voltage at the
output of the power supply may be at the programmed value, the
Given today's focus on going green and on creating mobile voltage at the DUT is actually lower than the programmed value
devices and devices for the Internet of Things (IoT), minimizing due to the voltage burden created by the DMM. Rather than the
the power consumption of integrated circuits and electronic programmed voltage, the voltage seen at the DUT's terminals is
sub-assemblies is a major focus for manufacturers of these equal to the programmed voltage minus the voltage across the
components. Minimizing power consumption means minimizing DMM (V DUT = VSET