This Intersil circuit was found in a 1980s documentation. Operational are of the time, but current equivalents can be experienced. The graph with the circuit performance is given next to the diagram.
Luminus SST 20 Deep Red LED Mouser Electronics is announcing in its stock the SST-20, a 60%...
This circuit uses common transistors for a fault indicator that turns on an LED and provides an...
Found in an ancient American documentation, this circuit has the basic configuration of a crystal...