We found this circuit in an old documentation. The circuit can supply loads up to 10W with the original components. The circuit can be designed based on modern components.
This circuit, found in an American publication from the 1970s, produces an audible tone in a...
This circuit was found in a 2006 publication. It can serve as the basis for a microcontrolled...
By adding a transistor to the output and some polarization features we can obtain a higher output...