The transistor in this project found in the July 1994 issue of Electronics Now magazine can be any general-purpose type. The circuit is powered by the relay voltage up to 12 V.
This circuit reverses the signal if both positive and negative. We found it in an American...
This circuit was found in a 1967 documentation. The switch diode is a component of the time and is...
The presented circuit generates a pulse whose delay in relation to the input depends on RC. These...