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Does polarity of scope probe matter when measuring ripple of the power supply module?

Measuring ripple of 28V/12V power supply module across +/- output pins. Does the probe tip have to be placed at +pin and probe gnd to -pin, or it can be reversed? Having inverted readings when ...
DenR's user avatar
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1 vote
1 answer
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Measuring Output Ripple Voltage

Please check the below waveform of my 5V output ripple of the buck converter. I am measuring the output ripple across the output capacitor of the converter. Why are these spikes coming while ...
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1 answer
356 views

Understanding ripple in oscilloscope

I have a linear (non-switched) power supply that states in the specs a ripple of 10 mV p-p Measuring it with the oscilloscope, as you can see in the image it measures Vpp = 30mV. The oscilloscope is ...
Mario's user avatar
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