Found in Electronics Now, this circuit generates signals for testing like a signal injector. The frequency will be between 20 Hz and 10 kHz with the indicated components.
We found this configuration in a Radio Electronics from 1989. The circuit can be designed with...
This interesting configuration was found in a 1965s Electronic Design. It makes use of components of...
This circuit is from old American documentation intended to trigger the flash of a camera flash with...