Briliant idea, but still not there just yet...

This is an idea of a current-sensing-powered-from-the-driver-circuit from my supervisor, which i tried to implement:



And this is what the test results looks like:


(the wire is a 1um wide 3mm long metal, with a full swing CMOS driver)

Looks ugly? Yup. You can say that again. Especially the triangle wave... that's horrible.

Very well. I'll keep trying.