Search found 2 matches

by gary_gary
Wed Dec 08, 2021 10:16 am
Forum: USB PC Oscilloscopes
Topic: Big negative spikes when mesuring regulated voltages
Replies: 8
Views: 7162

Re: Big negative spikes when mesuring regulated voltages

Did you manage to work out what was causing this? I'm also measuring very similar negative voltage spikes with a picoscope 2405a, from several different sources and using different laptops, which makes me think I have a problem with the picoscope itself.
by gary_gary
Wed Dec 08, 2021 9:36 am
Forum: Getting Started
Topic: Strange voltage spikes/reversal. Damaged picoscope 2405a?
Replies: 0
Views: 3185

Strange voltage spikes/reversal. Damaged picoscope 2405a?

Hello, I've been trying to diagnose some issues using a picoscope 2405A, but keep seeing some strange intermittent signals. Attached is the data file. I've seen this same stepped signal at approximately 2MHz frequency in all my measurements, the attached data file was found when attached to a 18V wa...