like dendad said the scope displays the positive width cant i use that to calculate duty cycle with the equation D= (pw(positive witdh)/T)*%?Duty Cycle, in %, = [ Th / ( Tl + Th ) ] * 100, one cycle/period of waveform.
So measure high time, low, time, and plug into equation.
Many scopes do the measurement directly from a measurement menu selection.
Regards, Dana.
yes i can get the negative width tooIt will be easier to expand the display to show just one complete cycle then you can get a better measurement of the Time High and Time Low for your calculations.
The scope looks to display the Positive Width, so see if you can get the negative Width too.