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时间: 2020-1-13 14:31
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信号调理的隔离技术IsolationTechniquesforSignalConditioningIsolationTechniquesforSignalConditioningIndustrialenvironmentspresentaformidablechallengetotheelectronicsystemdesigner.Inparticular,highelectricalnoiselevelsandoftenexcessivecommonmodevoltagesmakesafe,precisemeasurementdifficult.Oneofthebestwaystoovercometheseproblemsisbytheuseofisolatedmeasurementtechniques.Typically,theseapproachesutilizetransformersoroptoisolatorstogalvanicallyisolatetheinputterminalsofthesignalconditioningamplifierfromitsoutputterminal.Thisbreaksthecommongroundconnectionandeliminatesnoiseanddangerouscommonmodevoltages.Theconflictingrequirementsforgoodaccuracyandtotalinput/outputgalvanicisolationrequiresunusualcircuittechniqu……