Hughes suggests this circuit in a 1968 documentation. The circuit uses old transistors that can be replaced with equivalents. MOSFET is the critical component of the circuit.
This power control circuit was found in an article in the June 1995 Electronis Now magazine. The...
This simple MW radio was found in a 1975 publication, but it can be mounted with BC548...
This circuit provides a signal that is twice the frequency of the input signal. The circuit was...