This is one of the channels of an amplifier suggested by Westinghouse in 1970s documentation. The circuit uses components from the era and no information about the transformer is given.
We found this circuit in a Japanese publication from the 60s. The transistors are made of...
Launched in 2017 the Microchip CL88020 is an LED driver optimized for 120 VAC input applications with an...
This circuit is from old documentation, using a component that cannot be found easily today. The...