Tune it with a single potentiometer. An ordinary Wien-Bridge oscillator has two resistors and two capacitors, so to make it tunable, one would need to change both capacitors together. Let's build and test a better Wien Bridge oscillator that can be tuned by a single potentiometer.
Aaron Danner is a professor in the Department of Electrical and Computer Engineering at the National University of Singapore.
http://danner.group
Video filmed and edited by Cheryl Lim.
@randomcheryl