This circuit was found in the January 1980 issue of Radio Electronics magazine. It is a digital slot machine using common logic circuits. It can still be easily assembled today.
We found this circuit recent English documentation. The circuit uses a common transformer and can...
This 90's Electronic Design circuit converts the period of a signal into a frequency. The...
This circuit, shown in the figure, can operate from 4 to 100 MHz, based on a 2N2222 transistor or...