spurious emission

{{Short description|Radio frequency not deliberately created}}

{{Antennas|characteristics}}

In radio communication, a spurious emission is any component of a radiated radio frequency signal, the complete suppression of which, would not impair the integrity of the modulation type, or the information being transmitted.[https://www.ecfr.gov/cgi-bin/text-idx?SID=4772a4845c7f324465067a46baed1dd2&mc=true&node=pt47.5.97&rgn=div5#se47.5.97_13 47 USC §97.3(43)] A radiated signal outside of a transmitter's assigned channel is an example of a spurious emission.Rudolf F. Graf, Modern Dictionary of Electronics, 7th ed., Woburn, Massachusetts: Butterworth-Heinemann, 1999, p. 724 Spurious emissions can include harmonic emissions, intermodulation products and frequency conversion products.[http://www.itu.int/dms_pubrec/itu-r/rec/sm/R-REC-SM.329-7-199707-S!!PDF-E.pdf ITU, 1.145 Spurious emission]