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GROUNDINGINMIXEDSIGNALSYSTEMSHARDWAREDESIGNTECHNIQUESGROUNDINGINMIXEDSIGNALSYSTEMSWaltKester,JamesBryantToday'ssignalprocessingsystemsgenerallyrequiremixed-signaldevicessuchasanalog-to-digitalconverters(ADCs)anddigital-to-analogconverters(DACs)aswellasfastdigitalsignalprocessors(DSPs).RequirementsforprocessinganalogsignalshavingwidedynamicrangesincreasestheimportanceofhighperformanceADCsandDACs.Maintainingwidedynamicrangewithlownoiseinhostiledigitalenvironmentsisdependentuponusinggoodhigh-speedcircuitdesigntechniquesincludingpropersignalrouting,decoupling,andgrounding.Inthepast,"highprecision,low-speed"circuitshavegenerallybeenvieweddifferentlythanso-called"high-speed"circuits.WithrespecttoADCsandDACs,thesampling……