This power source was found in a 1968 Electronics World. The transistors are from that time. The current of each output is limited by the transformer.
The transmission range of this transmitter can be between medium and short waves depending on the...
This is a traditional complementary-output transistor amplifier sourcing 2 to 4 watts to a 4 ohm...
This circuit is from a 1980s Signetics documentation but is valid for modern operating. Next to...