Found in a Motorola documentation from the 70s, this circuit makes use of transistors of the time. Modern equivalents can be used. The diode also supports an equivalent.
This small MW transmitter emits its signals at a distance of a few tens of meters, depending on the...
Found in a 90s 303 Circuits, this circuit has an output power of 100 mW. L1 consists of 890 turns...
The coil and sockets of this circuit found in a QST depend on the frequency band that is intended...