FAQ: What is the difference between an oscilloscope with a current probe and the N6781A Source Measure Unit?

There N6781A source measure unit plugs into the N6705B and is a high resolution device with a seamless ranging feature that provides a 28-bit dynamic range. Most oscilloscope have an 8-bit resolution that cannot measure very small signals in the presence of large signals. For an overview, watch the video on Current Probe w/ Oscilloscope Compared to Seamless Current Measurement on N6781A Source.

Applies to: N6781A, N6782A, N6784A, N6785A, N6786A

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