This circuit was obtained from Dutch documentation from 1964. The components are of the time, but current equivalents such as BC548 to BC108 can be used.
This circuit was obtained from old documentation using Intersil components. The circuit provides...
This circuit was found in a 1965 US documentation. The circuit converts a DC signal to a 400 Hz AC...
We found this circuit in the October 1992 Radio Electronics magazine. The frequency is given by C1...