Found in 1966 General Electric documentation, this circuit uses solicon unilateral switches (SUS) switches that are uncommon components today.
This circuit simulates the actual departure of a train as the speed increases slowly. The power...
The basis of this circuit is an LM380 that drives a speaker that emits sound when moisture is...
This circuit can be adjusted between 0.2 and 2 V to trigger with chosen voltages comparing them with...