This was posted earlier by Bill.A very simple op amp will do this...
Current must be going to ground though.
I don't recall you telling us what the output impedance (Zo) of your current source is. I believe the opamp gain will be R/Zo.
This was posted earlier by Bill.A very simple op amp will do this...
Current must be going to ground though.
by Don Wilcher
by Robert Keim
by Aaron Carman
by Jake Hertz