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IEVref: | 161-06-06 | ID: | |

Language: | en | Status: Standard | |

Term: | spurious frequency | ||

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Symbol: | f_{s}
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Definition: | frequency of an electromagnetic disturbance causing an unintended response from a given equipment
Note 1 to entry: In the case of a receiver tuned to frequency ${f}_{\text{s}}=\frac{1}{m}\left(n{f}_{\text{L}}\pm {f}_{\text{I}}\right)$ or $f}_{\text{s}}=\frac{{f}_{0}}{h$ where
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Publication date: | 2016-07 | ||

Source: | |||

Replaces: | 161-06-06:1990-08 | ||

Internal notes: | 2015-12-10: Missing equations added and tagging of variables aligned. "may" replaced by "can" (x2) and leading "the" deleted. JGO | ||

CO remarks: | |||

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VT remarks: | |||

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Note 1 to entry: In the case of a receiver tuned to frequency *f*_{0}, many spurious frequencies *f*_{s} can be found from the following formulae:

${f}_{\text{s}}=\frac{1}{m}\left(n{f}_{\text{L}}\pm {f}_{\text{I}}\right)$

or

$f}_{\text{s}}=\frac{{f}_{0}}{h$

where

*f*_{L} is the local oscillator frequency,

*f*_{I} is the intermediate frequency,

*m*, *n*, and *h* are integers.