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 circuit was found in the November 1992 issue of Radio Electronics magazine. It uses...
This multivibrator has its frequency controlled by a crystal. Other frequencies can be generated by...
We found this preamplifier circuit with high input resistance, on the order of 30 M ohms, in an...