Elektor Team
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Digitally-controlled potentiometers:

with integrated voltage comparators

Digitally-controlled potentiometers:
Although microprocessors are integrated into more and more electronic circuits, there remain requirements for analogue components and devices. One such is the potentiometer, which, until now, has been difficult to emulate by a digital equivalent. Xicor have overcome this difficulty with their X9440 and X9448. These devices combine the flexibility of an analogue product with the power of digital communications.
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