University of Toronto
Alan Stummer designs and makes custom equipment for the physics research labs at the University of Toronto, Canada. He was previously a telecom RF engineer during the boom years, and before that did equipment design for steel mills, offshore oil, and mining. He can be reached at [email protected].
Alan’s Recent activity
By using a constant-current source along with a ratiometric DAC configuration, the output intensity of a laser diode can be carefully set and controlled using this simple circuit.
Use a basic op amp and discrete components to drive a piezoelectric motor and provide circuit protection.