This low-power benchtop circuit has an output for external use and other features. The circuit is from the 1995 Encyclopedia of Electronic Circuits Volume 5.
A way to avoid the influence of ambient light, or even the action of external light sources on the...
We found this simple oscillator in a publication for radio amateurs in 1974. The transistor can be...
This circuit was found in the Radio Electronics magazine in an article about emitter-coupled...