This circuit was found in an American publication from 1965. The circuit uses components from that time. No information was given about the excitation transformer. Observe the high input power.
June 2017 - Mouser Electronics has a broad line of Cree products for use in horticulture, such as...
Based on common operational amplifiers, this circuit was found in Texas Instruments documentation. The power...
This is an old circuit with a feature that most modern oscilloscopes have. We found it in a Radio...