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Ripple Calculation with a Hantek Oscilliscope

ACharnley

Member
I've a couple buck/boosts that I need to inspect the ripple on. Voltage is 5V max. The oscilloscope I have is a Hantek DSO5102P.

With channel 1 at ground and 2v the ripple isn't measuring well.

pic_44_1.png

I bump the accuracy to 100mA and there's a relay click, and the ripple becomes more accurate.

pic_44_2.png

However now I can only measure about -/+ 400mV before it disappears off the screen.

pic_44_3.png

I figure it doesn't have the resolution?
 

JimB

Super Moderator
Most Helpful Member
Sounds like you had an "Oooo, I never thought of that!" moment. :)

JimB
 

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