Found in a 1964 Electronic Design, this circuit suppresses arcs that occur in contacts when a relay switches inductive loads.
This oscillator for Morse code training was found in a Popular Electronics from the 90s. The...
We found this protection circuit for power supplies with the 12 V power supply itself in a 1982...
This 1970 circuit triggers a load when it receives a signal. Components are common and SCR admits...