This 1960s Japanese receiver uses 6 germanium transistors, being powered by a 6 V voltage obtained from large batteries. The circuit is for the medium wave range of the superheterodyne type.
This circuit show the performance of a GraetzBridge or Diode Bridge usedin full-wave rectifers....
This circuit, for automotive use, was obtained in a European publication from the 1980s. The...
We found this circuit in an old American documentation from years 80. The diode determines the frequency...