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stepless frequency control (SFS)

Contributor(s): Kenneth Metcalf

Stepless frequency selection (SFS) is a technology that makes it possible to adjust the system bus frequency of a computer in increments of 1 MHz over a specified range. SFS is appreciated by advanced computer users who like to overclock their systems (that is, set the clock frequency higher than the frequency selected by the manufacturer). Several vendors offer motherboard s with SFS technology.

In wireless communications and general electronics applications, the term SFS is sometimes used in reference to analog frequency control, in which the frequency of reception or transmission is adjustable over a continuous range. Analog frequency control is rarely employed these days, except in low-end or older radio broadcast receivers.

This was last updated in March 2011

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