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.
This audio oscillator circuit was found in a 1992 publication. In the original article it is...
This low displacement circuit was found in American documentation from the 90s. Operational...
This crystal oscillator uses a common transistor and its frequency depends on the crystal used. We...