This timer for long time intervals is from the 1990 Motorola Linear Databook. The setting applies to other operational ones and component values are given below the diagram.
S The purpose of this circuit, found in a 1975 publication, is to suppress the noise that occurs when...
This medium wave radio with germanium transistors is from a 1957 Raytheon publication. Modern...
This circuit was found in an American documentation from the 90s. It consists of a variable with a...