In this phase shift circuit, the transistor can be any general-purpose transistor. The circuit is from an Electronics Now issue of June 1993.
This low-current control circuit has a lamp as a load, but can have other types of devices, such...
The values of the components of this Mullard (Philips) circuit depend on the desired voltages. The...
This dimmer for 12 V incandescent lamps was found in a 1966 General Electric documentation. The circuit has...