相干取样计算器（ CSC ）

摘要：本计算器提供了一个快速简便的方法，选择正弦输入的模拟到数字（ADC）转换器测试的测试音。基于对相干抽样理论，计算器允许用户选择输入和采样频率以及数量的整数周期内的采样窗口和决议的FFT（数据点的数量）。

Maxim>AppNotes>BASESTATIONS/WIRELESSINFRASTRUCTUREHIGH-SPEEDSIGNALPROCESSINGKeywords:coherentsamplingcalculator,coherent,coherentsampling,high-speedanalog-to-digitalconverter,Apr16,2004ADC,high-speedADC,FFT,fastfouriertransform,samplingfrequency,inputfrequency,samplingwindowAPPLICATIONNOTE3190CoherentSamplingCalculator(CSC)Abstract:Thiscalculatorprovidesaquickandeasywaytoselectsinusoidalinputtesttonesforthetestofanalog-to-digital(ADC)converters.Basedonthetheoryofcoherentsampling,thecalculatorallowsausertochoseinputandsamplingfrequenciesaswellasnumberofintegercycleswithinthesamplingwindowandtheresolution(numberofdatapoint)oftheFFT.Whenevaluatingthedynamicperformanc