This receiver was found in a Japanese publication in 1967. The circuit uses germanium transistors and details of the coils are not given. Power is supplied by a 9 V battery.
This is the typical circuit of a 60's tape recorder. The circuit uses only two transistors and has a...
Found in a QST from the 90's this circuit is suitable for the medium and short-wave range. |...
The shunt type regulators are connected in parallel with the load, deflecting the current to...