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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