This high-power flasher for incandescent signaling lamps was found in a 1980s General Electric documentation. The circuit has a photoelectric control and is powered by the 110V grid.
The figure shows how to implement a filter against interference caused by the switching of a...
The integrated circuit used in this application is the National Semiconductor's LM2907, the...
This simple source uses two 2N3055 transistors that must be equipped with good heat sinks. The...