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.
Although it is a common configuration today, this circuit was taken from an old publication. The...
The CMOS 4046 integrated circuit is not very common today, consisting of a very efficient PLL for...
This 16-bit circuit was found in a 2005 Linear Technology application manual. The circuit uses...