Based on the BA1404 integrated circuit, this circuit was found in the July 1992 issue of Radio Electronics magazine. The circuit is short range, but a power amplifier stage can be used.
This 1-transistor reflex receiver was found in a 1963 publication. The coil is for the mid wave...
We found this circuit in an American 80's documentation. The circuit can be adapted to function as a...
This circuit can be used as a shield as long as the power is supplied with voltage equal to that...