IEVref:161-06-06ID:
Language:enStatus: Standard
Term: spurious frequency
Synonym1:
Synonym2:
Synonym3:
Symbol: fs
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 f0, many spurious frequencies fs can be found from the following formulae:

f s = 1 m ( n f L ± f I ) MathType@MTEF@5@5@+= feaagKart1ev2aaatCvAUfeBSjuyZL2yd9gzLbvyNv2CaerbbjxAHX garuavP1wzZbItLDhis9wBH5garmWu51MyVXgaruWqVvNCPvMCG4uz 3bqee0evGueE0jxyaibaieYdi9WrpeeC0lXdi9qqqj=hEeeu0lXdbb a9frFj0xb9Lqpepeea0xd9s8qiYRWxGi6xij=hbba9q8aq0=yq=He9 q8qiLsFr0=vr0=vr0db8meaabaGacmGadiWaaiWabaabaiaafaaake aacaWGMbWaaSbaaSqaaiaabohaaeqaaOGaeyypa0ZaaSaaaeaacaaI XaaabaGaamyBaaaadaqadaqaaiaad6gacaWGMbWaaSbaaSqaaiaabY eaaeqaaOGaeyySaeRaamOzamaaBaaaleaacaqGjbaabeaaaOGaayjk aiaawMcaaaaa@46AD@

or

f s = f 0 h MathType@MTEF@5@5@+= feaagKart1ev2aaatCvAUfeBSjuyZL2yd9gzLbvyNv2CaerbbjxAHX garuavP1wzZbItLDhis9wBH5garmWu51MyVXgaruWqVvNCPvMCG4uz 3bqee0evGueE0jxyaibaieYdi9WrpeeC0lXdi9qqqj=hEeeu0lXdbb a9frFj0xb9Lqpepeea0xd9s8qiYRWxGi6xij=hbba9q8aq0=yq=He9 q8qiLsFr0=vr0=vr0db8meaabaGacmGadiWaaiWabaabaiaafaaake aacaWGMbWaaSbaaSqaaiaabohaaeqaaOGaeyypa0ZaaSaaaeaacaWG MbWaaSbaaSqaaiaab+gaaeqaaaGcbaGaamiAaaaaaaa@3FB9@

where

fL is the local oscillator frequency,
fI is the intermediate frequency,
m, n, and h are integers.


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
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