This reflex receiver for the mid-wave range employs germanium transistors of the time. We found it in an English documentation from 1967.
We found this circuit in a French publication from the 1980s. The coils L1 and L2 are formed by 4...
Found in documentation from the 1960s, this circuit uses general purpose transistors that can...
This 100 kHz oscillator was found in a 1966 Motorola publication. The transistors are of types...