This anti-bounce circuit was found in a 1967 US documentation. Modern transistors such as the 2N2222 can be used. The circuit acts as a shield.
We found this circuit in a 1983 English magazine, but it can be easily assembled today, as all...
This interesting Walk-talkie circuit for the FM band using a tunnel diode appeared in the Radio...
This is another of the Star Trek red alert circuit that you can find on this site. We took this...