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A $125 Curve Tracer that is functional

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mawyatt:
Here's a link to using a AWG and DSO for a crude curve tracer we did awhile back.

https://www.eevblog.com/forum/testgear/fooln-around-with-dso-awg/msg4421209/#msg4421209

Another link to a Curve Tracer concept for a more advanced Curve Tracer, we are way delinquent in finishing this project as other work took a precedent.

https://www.eevblog.com/forum/projects/dso-awg-based-curve-tracer/

Best

watchmaker:

--- Quote from: mawyatt on February 29, 2024, 01:57:25 pm ---Here's a link to using a AWG and DSO for a crude curve tracer we did awhile back.

https://www.eevblog.com/forum/testgear/fooln-around-with-dso-awg/msg4421209/#msg4421209

Another link to a Curve Tracer concept for a more advanced Curve Tracer, we are way delinquent in finishing this project as other work took a precedent.

https://www.eevblog.com/forum/projects/dso-awg-based-curve-tracer/

Best

--- End quote ---

Thank you. Here is my expedient.  My AFG has a max of 10 volts which means low voltage zeners only. But it should work for most of us amateurs.

Over time I may add an amplifier.

My Kikusui cannot even really pick up the knee.  But the venerable Siglent 1104XE can. I took photos instead of screen shots to better show the setup.

Also,as noteself and a breadcrumb,  the hi current output is 13.3 X the low output. This makes little sense to me at the moment.  I will change the 7.5K resistors to 10K for a useable 10X scale.











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