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I have big problem with impulse switch signal, about 37kHz on every measurement which should be free from it.
Looking for the source of the interfering signal first I check it in my basement (place without any electric devices, separated via 25 cm of reinforced concrete), then I went to a professional laboratory.
Result: source of this switching about 37kHz signal is... your Hantek DSO2C15!!!
Signal disappears when I turned off your oscilloscope (controlled by other professional oscilloscope).
It seems that the converter in the oscilloscope power supply is the source of the problems.
Of course I tested original and several others oscilloscope probes.
Have you encountered this problem with this model?
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Post time 2024-1-17 07:08:12
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