This very detailed Dimmer was found in an English documentation from the 90's. The SCR could be a modern equivalent like the TIC106. The circuit is only suitable for incandescent lamps.
This amplifier for a sinusoidal function generator uses a 741 integrated circuit. The circuit is...
This circuit is from Motorola's Linear Interface ICs of 1993. The circuit can be powered by...
This circuit is from 2005 documentation. It automatically starts an irrigation pump when the...