This 25 W phase photo control was found in a 1965 General Electric publication. The circuit uses a LASCR which is an unusual SCR photo today.
This useful benchtop power supply uses a single LM350 integrated circuit as a regulator. The...
This circuit is for the system that has the receiver CB17134E. The emitting LED must be installed in a...
This circuit generates signals that depend on Ct and the 10k trimpot adjustment. See the math...