lw1ecp
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I wasn't referring to the interferences. I simply wanted to point to the fact, that the remarkable clear waveform is showing an inversed polarity of the part modelled as self-inductance. Negative mutual inductance is a simple explanation. But I don't know the complete circuit, it may be the real current waveform (and an inappropriate simulation model)."Far from resembling the simulated effect of self inductance"
Unfiltered supply would be a simple (and satisfying in my opinion) explanation for the waveform of course. Nice, that you finally mention this point. In this case, the only remaining question is, why no amplitude modulation can be seen with the 10x shunt measurement. Either the supply is different, or the CRO trigger.AND, most important of all, pure DC supply, not unfiltered fullwave.
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