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Can You Do Component Testing On Digital Oscilloscopes?
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FrancisM:
This is what you can expect from a well known brand on this board, pretty usable.
I wanted to show the effect of using high voltage transistors in a Wilson current mirror or cascoded at a very low Vce.

Francis

themadhippy:
Another diy option
https://sound-au.com/project119.htm
Darkover:

> My comments were to the compatibility of a curve tracer to a digital scope.

I would say a curve tracer and a component tester (subject) ist something complete different isn't?

Olaf
Swainster:
I think that the OP is talking about analog signature analysis rather than what is typically understood by the term curve tracing (at least in the sense of accurately characterising a particular component). ASG can be done on a populated board, but then it tests the characteristics between 2 circuit nodes rather than a specific component. Of course, this characteristic may well be dominated by a particular component, but this isn't always the case. The main thing is that by comparing the signature between a good board and bad one (or from a reference document), it helps to locate a fault in a circuit.
bdunham7:

--- Quote from: james_s on April 19, 2023, 02:28:20 am ---That's been my experience as well, however I suspect that plotting semiconductor curves is far less demanding of the XY capabilities than drawing complex vector graphics.

--- End quote ---

You don't need Z-axis control for one thing, and that's probably the most important.  The only remaining issue would be getting your acquisition period right and I think very fast and short might be good enough for a 60Hz or 1kHz based component tester.
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