This 3-transistor buzzer or buzzer is a classic type found in the July 1998 issue of Electronics Now magazine. The power rating depends on the output transistor.
This circuit was found in an American documentation from the 90s. It consists of a variable with a...
The circuit shown in the figure generates a pulse train whose frequency is determined by the...
We found this circuit in a 1994 Linear Applications Handbook by National Semiconductor. The LM10...