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时间:2019-07-14
《CFR-2009-title47-vol1-part15_24.pdf》由会员上传分享,免费在线阅读,更多相关内容在学术论文-天天文库。
1、§15.10747CFRCh.I(10–1–09Edition)Internet,theinformationrequiredbyapplytocarriercurrentsystemsoper-thissectionmaybeincludedintheatingasunintentionalradiatorsonfre-manualinthatalternativeform,pro-quenciesbelow30MHz.Inlieuthereof,videdtheusercanreasonablybeex-thesecarriercurrentsystemsshallbepecte
2、dtohavethecapabilitytoaccesssubjecttothefollowingstandards:informationinthatform.(1)Forcarriercurrentsystemscon-tainingtheirfundamentalemission[54FR17714,Apr.25,1989,asamendedat68FR68546,Dec.9,2003]withinthefrequencyband5351705kHzandintendedtobereceivedusinga§15.107Conductedlimits.standardAMbro
3、adcastreceiver:no(a)ExceptforClassAdigitaldevices,limitonconductedemissions.forequipmentthatisdesignedtobe(2)Forallothercarriercurrentsys-connectedtothepublicutility(AC)tems:1000μVwithinthefrequencypowerline,theradiofrequencyvoltageband5351705kHz,asmeasuredusingathatisconductedbackontotheAC50μH
4、/50ohmsLISN.powerlineonanyfrequencyorfre-(3)Carriercurrentsystemsoperatingquencieswithintheband150kHzto30below30MHzarealsosubjecttothera-MHzshallnotexceedthelimitsinthediatedemissionlimitsin§15.109(e).followingtable,asmeasuredusinga50(d)MeasurementstodemonstrateμH/50ohmslineimpedancestabiliza-c
5、ompliancewiththeconductedlimitstionnetwork(LISN).CompliancewitharenotrequiredfordeviceswhichonlytheprovisionsofthisparagraphshallemploybatterypowerforoperationbebasedonthemeasurementoftheandwhichdonotoperatefromtheACradiofrequencyvoltagebetweeneachpowerlinesorcontainprovisionsforpowerlineandgro
6、undatthepowerter-operationwhileconnectedtotheACminal.Thelowerlimitappliesatthepowerlines.Devicesthatinclude,orbandedges.makeprovisionfor,theuseofbatterychargerswhichpermitoperatingwhileFrequencyofemis-Conductedlimit(dBμV)charging,ACadaptorsorbatteryelimi-sion(MHz)Quasi-peakAveragenatorsorthatco
7、nnecttotheACpowerlinesindirectly,obtainingtheirpower0.150.5...................66to56*.............56to46*throughanotherdevicewhichiscon-0.55........................56.......................46530.........................60.........
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