This circuit was found in a 1964 Electronic Design. The circuit delays the firing of a load for a time given by RC. The SCR must be in accordance with the controlled load.
Found in documentation from the 90s, this circuit can employ other comparators in the series such as...
This circuit was found in a PE Hobbyst Handbook from 1992. The second oscillator is a VFO. The...
This motor control using transistors was found in a recent English publication. The circuit is for...