This converter converts a signal in the 200 kHz to 3.8 MHz band into frequency signals that can be tuned on a 3.5 MHz receiver. Coil data not provided.
Found in a 1964 Electronic Design, this circuit uses transistors from that time. Equivalent...
This circuit allows fluorescent lamps to be powered up to 40 W from 12 V car batteries. The...
This simple signal injector oscillator was found in a 1981 documentation. The coil can be made...