This 6-transistor Japanese radio from the 1960s used germanium transistors and had an output power of 180 mW. The circuit is of the superheterodyne type with push-pull class B output.
This circuit can be used in a single optical link or optical communication system and even using an...
This transistor flasher was found in an English magazine that no longer exists from 1975. The...
Found in old documentation, this meter has a high voltage inverter for the Geiger tube. The...