The pot is a variable resistor that allows the ratio of the two resistors to change in a complementary and continuous fashion. That is, as one resistor increases in value the other resistor is made to ...

Adjusting the volume dial on a sound system, sensing your finger position on a touch screen, and knowing when someone’s in the car are just a few examples of where you encounter variable resistors in ...

Digital potentiometers are resistive elements that are controlled by digital codes. They differ from their analog counterparts in that they are silicon-based rather than mechanical devices. Instead of ...

Norwood, Mass.—Analog Devices Inc. (ADI) has introduced a digital potentiometer (digiPot) family with what it says offers the industry's best resistor tolerance, allowing designers of industrial and ...

For many variable resistor (rheostat) applications, one of the device’s terminals is connected to a voltage source VS. Such a source might be a reference DC voltage, an op amp output carrying an AC ...

An electronic component that is used to vary the amount of current that flows through a circuit. It works by sliding a wiper terminal across a resistive material, typically a thin film or chunk of ...