Found in a 90s 303 Circuits, this circuit aims to provide a soft start for a low voltage halogen lamp. The MOSFET supports an equivalent.
This circuit was found in a 1967 General Electric manual. It shows a SCR control with unijunction...
This circuit produces a low frequency magnetic field used in old inductive remote controls with a...
Found in an old Radio Electronics, this circuit is intended for the modulation of composite video...