This circuit simulates a resistor controlled by digital signals. We found it in American documentation from the 90s. The basic component is a CMOS 4016 or 4066 digital switch.
We found this circuit in a Radio Electronics from October 1963. The circuit uses an output...
This circuit from an American documentation from the 70s, indicates a photodiode to generate...
This circuit uses components that are still common despite being from 1995 documentation. The circuit can...