This 1967 commercial radio covers 6 wave bands selected by appropriate coils. The circuit currently uses critical components, such as coils and transformers.
We found this circuit in a 2003 documentation. The purpose is to make the player choose one or two...
This circuit allows the frequency generated by an oscillator with the 4069 to be divided by two,...
This commercial transistor radio was manufactured by RCA in the 1960s. The circuit has only 4...