Thoughts on this waveform

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vteazr
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Posts: 2
Joined: Tue Nov 26, 2019 6:56 am

Thoughts on this waveform

Post by vteazr »

Hi all,
Looking for thoughts on this waveform, taken from B+ on alternator (ford smart charge system), 1volt, 2ms, AC coupling with car at idle.
Also attached is a waveform from another car, same settings. So I believe the scope is fine is this looks very normal, but I am concerned about the first one.

Welcome any thoughts!
Attachments
Normal.png
Funky.png
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vteazr
Newbie
Posts: 2
Joined: Tue Nov 26, 2019 6:56 am

Re: Thoughts on this waveform

Post by vteazr »

Took this this morning.
same config except for a shorter time base of 100 us.
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uS.png
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