With this circuit you can produce the sound effect passing from one channel to another. The circuit is from Mullard documentation from the 1960s. The transistors may be the BC548.
Found in a 1965 Electronic Design, this circuit produces a signal with the waveform shown in the...
This is a circuit that should not be used for readers interested in a fair game. The circuit...
This circuit receives the signals from the previous circuit (CB19055E) by activating an electric lock...