We found this circuit in an American documentation from the 60s. The circuit can be made with equivalent transistors. It basically consists of a monostable.
This 4-transistor signal tracer or follower was found in Radio Electronics magazine from May 1960....
This sound effect circuit uses only one integrated. We found it in a 90's EDN. The effects can be...
This is one of many power control or dimmer configurations that we have found on this site and in...