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.
Found in an American publication in 1967, this circuit generates pulses for the triggering of a LASER of...
The maximum current of this circuit is 1.5 A. The circuit has the formulas next to the diagram to...
This biestable vox circuit was found in an old documentation. The circuit makes use of components of...