How to catch a glitch

How to catch a glitch, a forum discussion on Cleverscope Mixed Signal USB Oscilloscopes. Join us for more discussions on How to catch a glitch on our Questions forum.

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26 May 2010

I am using CS328A to analyze I2C lines. I am interested in triggering on a glitch on the SDA line that lasts less than 40 ns.
How should I set up the scope to do that?
rhcarter rhcarter

28 May 2010
Posts: 114

Hi Elizabeth,
You use the Second Trigger by connecting the SDA line to channel A and select Use Trig 1 ~ 2 < min. Set min = 40n

Choose View | Trigger 2 Source and select Trigger 1 inverted

Set the level at whatever level is best for the glitch you want to find

That should find it for you.

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