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janpi

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  1.    attila reacted to an answer to a question: ADP3250 Scope Reading With No Probes Connected
  2. janpi
    Thank you for your feedback and guidance Gentlemen!
  3. janpi
    Thank you for another tip Attila! There is so much to learn in WaveForms, btw it is a great app. I made some progress today. I have used different design probe and with shorted end I am getting noise just < 3 mV pk2pk. See screenshot. Can you please let me know what are you getting on C3 on your ADP3450 with no probes connected?
  4. janpi
    Thank you for your quick feedback and UI tip Attila. I had the similar thought so I took the ADP3250 and the battery powered laptop (no charger connected only the ADP3250) to a room with no plugged electronic/electrical devices and unfortunately saw the same output. The laptop MacBook Air M2. Any thoughts what should I try to troubleshoot?
  5. janpi started following ADP3250 Scope Reading With No Probes Connected
  6. janpi
    I have recently purchased a new ADP3250. I have noticed that if no probes/inputs are connected the scope still shows 3 mV peak to peak reading of what looks as a random noise. If I connect supplied probe and shorten its ends the reading jumps to approximately 20 mV. Screen shot with shorten probe leads is attached. Is this normal? Am I doing anything wrong? It seems high to me as I cannot measure any signal below 20 mV noise level. Thank you for any help.
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