This 12 V to 110 V inverter with 100 W was found in a 1977 Signetics manual. The transformer must be rated according to the desired power and the output transistors admit equivalents.
This basic configuration can be found in a lot of articles on this site. In this case, the relay...
This high pass filter was found in the February 1996 Electronics Now magazine. The circuit...
Found in General Electric documentation from 1967, this circuit uses an unusual PUT today. The...