EEVblog #662- How & Why to use Integration on an Oscilloscope

In this tutorial Dave demonstrates the seldom used and often little understood mathematical integration function available on your modern digital oscilloscope. And demonstrates a practical example use for it in accurately measuring the total power consumption of a microcontroller that sleeps and then wakes up and does some processing before shutting down again. By getting the total area under the current curve.

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  1. Hi Dave, You should be able to set the MSO3054 probe input to convert the voltage from the uCurrent to a current (eg 1mV=100uA) That way all the waveforms will be in Amperes and the integrated calcs in Ampere*Seconds. Cheers, Kym

  2. I screamed when you used the marker on the screen! 🙂

  3. You can go all the way and even use the math menu to multiply that integral by (1A/1000V) to convert that uVs to nAs eliminate any silly human units errors.

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