We found this circuit in an old English documentation. Transistors support modern equivalents. The circuit converts signals in the 5 to 15 MHz band for tuning into a common medium wave radio.
This circuit uses separate sources for the power supply and the operational stage. The output...
This is the well-known lightning lamp that was published in the March 1988 issue of Saber...
This circuit is from the time when cars used contact breakers. This 80's version measures the dwell...