This balance control for the channels of a stereo system was found in a 1969 Mullard documentation. The transistors may be the modern BC548 equivalents.
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...