DSP 硬件设计技术.pdf
嵌入式硬件设计参考系列之DSP硬件设计技术.pdfHARDWAREDESIGNTECHNIQUESSECTION10HARDWAREDESIGNTECHNIQUESILowVoltageInterfacesIGroundinginMixedSignalSystemsIDigitalIsolationTechniquesIPowerSupplyNoiseReductionandFilteringIDealingwithHighSpeedLogic10.aHARDWAREDESIGNTECHNIQUES10.bHARDWAREDESIGNTECHNIQUESSECTION10HARDWAREDESIGNTECHNIQUESWaltKesterLOWVOLTAGEINTERFACESEthanBordeaux,JohannesHorvath,WaltKesterForthepast30years,thestandardVDDfordigitalcircuitshasbeen5V.Thisvoltagelevelwasusedbecausebipolartransistortechnologyrequired5Vtoallowheadroomforproperoperation.However,in
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