ITU R SM 328:2006
ITU R SM 328:2006 Spectra And Bandwidth Of Emissions
Table of Contents
1ClassesofemissionA1AandA1Bwithfluctuations1.1Necessarybandwidth
1.2Shapeofthespectrumenvelope
1.3Occupiedbandwidth
1.4Out-of-bandspectrum
1.5Build-uptimeofthesignal
1.6Adjacent-channelinterference
2ClassesofemissionA1AandA1Bwithoutfluctuations
3Shapingofthetelegraphsignalbymeansoffilters
4ClassesofemissionA2AandA2B
4.1Necessarybandwidth
4.2Out-of-bandspectrum
5Amplitude-modulatedradiotelephoneemission,excluding
emissionsforsoundbroadcasting
5.1Typeofmodulationsignalandadjustmentofthe
inputsignallevel
5.2ExtractfromITU-TRecommendationG.227
5.3ClassofemissionA3Edouble-sidebandtelephony
5.3.1Necessarybandwidth
5.3.2Powerwithinthenecessaryband
5.3.3Out-of-bandspectrum
5.3.4Relationshipsbetweenthe0dBreferencelevel
fordeterminingtheout-of-bandspectrumand
thelevelsofotherspectralcomponentsofthe
emission
5.4Single-sideband,classesofemissionR3E,H3EandJ3E
(reduced,fullorsuppressedcarrier)and
independent-sidebandclassofemissionB8E
5.4.1Necessarybandwidth
5.4.2Powerwithinthenecessaryband
5.4.3Out-of-bandspectrumforclassofemissionB8E;
fourtelephonychannelssimultaneouslyactive
6Amplitude-modulatedemissionsforsoundbroadcasting
6.1Typeofmodulationsignalandadjustmentoftheinput
signallevel,classofemissionA3EGN,soundbroadcasting
6.2Noisesignalformodulatingthesignalgenerators(extract
fromRecommendationITU-RBS.559,section1.3)
6.3ClassofemissionA3E,double-sidebandsoundbroadcasting
6.3.1Necessarybandwidth
6.3.2Powerwithinthenecessaryband
6.3.3Out-of-bandspectrum
6.3.4Relationshipbetweenthe0dBreferencelevelfor
determiningtheout-of-bandspectrumandthelevels
ofotherspectralcomponentsoftheemission