This circuit for the 60 kHz range was found in 73 magazine and published in 1995. The circuit uses a ferrite rod. Note the direction of the coil windings.
We found this circuit in a technical documentation from the 70s. It can be implemented with more...
This simple MW radio circuit with two transistors was obtained in an Argentine publication from...
The LM12 integrated circuit can provide a maximum current of 4 A with a symmetrical supply of 40...