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时间: 2020-1-2 02:23
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Acquiringdatafromsensorsinvolvesmeasurementandprocessingofrealworldanalogvoltagesandcurrents.Typicaldevicesusedinthedataacquisitionsignalchainareamplifiers,multiplexers,isolators,andADC’s.InsomecasesmeasurementaccuracycanbeimprovedbyprovidinganoffsetvoltageviaaDAC.Systemrequirementsforaccuracy,bandwidthandinputrangedictatetheselectionofamplifiersandADCs.ADSPorμ-controllerisusedtoprocessthedigitalsignalsfordisplayoranalysis. ……