This optically coupled circuit was found in the February 1968 Radio Electronics magazine. The circuit uses an LDR in modulation. Transistors are types of the time.
This circuit was found in a 90s Signetics documentation. The circuit is switched based on...
This switch is bounce free and is recommended for the control of CMOS circuits. The switch must be...
In the figure we have the way to add hysteresis to an operational amplifier. The relationship...