This circuit was found in the 1990 Motorola Dataar Linear. We can mount it with more modern equivalent transistors. Output transistors shall be provided with heat radiators.
This powerful FM transmitter with FET can reach more than 1 km in favorable conditions. L1...
Found in Popular Electronics from the 90s, this circuit generates two tones that are selected by a...
Found in a 73 magazine for radio amateurs of the 90s, this circuit provides a 2 kV voltage with 7.5...