The circuit is from 1980s Linear Technology documentation. The components are of the time and circuit behavior curve is given along the diagram.
Found in Electronics Now this circuit can generate signals up to a few tens of Megahertz. The circuit...
Texas Instruments UCC21225A is available from Mouser Electronics. It is an isolated gate driver...
This simple circuit with transistors turns on a small lamp when it gets dark. The sensor is an LDR...