Found in old documentation, this circuit makes use of amplifiers of the time, uncommon today. Next to the diagram, the formula for calculating the components.
This precision circuit was found in ancient American documentation. The most critical component is the...
This circuit drives a load with a delay given by the RC timing components. The circuit is from...
This project is from a 1982 documentation, based on an astable multivibrator with two transistors. The...