标签: guarding

AN_347_sheildingandguardingANALOGDEVICESONETECHNOLOGYWAYP.O.BOX9106AN-347APPLICATIONNOTENORWOOD,MASSACHUSErrS02062-91066171329-4700ShieldingandGuardingHowtoExcludeInterference-TypeNoiseWhattoDoandWhytoDoIt-ARationalApproachbyAlanRichThisisthesecondoftwoarticlesdealingwithinterferencenoise.InthelastissueofAnalogDialogue(Vol.16,No.3,pp.16-19),wediscussedthenatureofinterference,describedtherelationshipbetweensources,couplingchannels,andreceivers,andconsideredmeansofcombattinginterferenceinsystemsbyreducingoreliminatingoneofthosethreeelements.Oneofthemeansofreducingnoisecouplingisshielding.Ourpurposeinthisarticleistodescribethecorrectusesofshieldingtoreducenoise.Themajortopicswewilldiscussinclud……