Found in the 1990 special issue of Radio Electronics Experimenter magazine, this circuit uses an automobile ignition coil. Adjustments can be made to suit the coil.
Radio Electronics published this circuit in a 90's edition. The circuit makes use of an uncommon...
The circuit is simple, as it uses only one transistor and a relay that can be MC2RC1 or MC2RC2,...
This small transmitter for the medium wave range (MW) was found in a 1980 publication. Its signals...