Found in a 1968 US publication, this circuit can operate on any power grid. The thickness of the wire depends on the load current.
Found in an Electronics World of 1966 this circuit can be made with current power transistors. It causes...
This simple clock can be used to generate signals up to 100 kHz, depending on the crystal. We found...
We found this circuit in a 1964 Electronic Design. It divides the frequency of a 20 MHz signal by...