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Keysight Technologies
Precise Low Resistance Measurements
Using the B2961A and 34420A
B2961A/B2962A 6.5 Digit Low Noise Power Source
Technical Overview
Introduction
Resistance measurement is one of the most commonly performed tests to characterize electrical
device properties. However, very small resistance measurements require a very precise, low-level
current source to prevent device self-heating or device damage during testing.
There are many factors that need to be considered when making precise low resistance
measurements: