This untuned circuit uses one of the world's first commercial transistors, the CK722, having been found in a 1966 publication. Equivalent modern types can be used.
The circuit shown is intended for the control of stepper motors, producing a pulse sequence...
This receiver, called Peace, was manufactured in the 1960s in Japan and was powered by a 9 V...
This operational clamping circuit was found in an American documentation from the 1980s. The...