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 sequential circuit with an optical coupler was found in a Popular Electronics from the 90s to...
This power supply originally created for the CB16776E project but can be used for any type of 12 V...
We found this circuit in a 1989 publication. Its purpose is to produce noise in the VHF or UHF...