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.
By polarizing the reference with the supply voltage we can use these amplifiers in logic circuits....
This circuit is used to test SCRs like the ones of TIC series. The simulation shows the power line...
September 2017 - Mouser Electronics announces the availability of new MIC28514T series DC-DC...