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Hi, I am trying to model a 16bit DAC in MATLAB with its nonlinearities and practical impariments. Does anyone have any idea how to do this ? Thanks. Andy This message was sent using the Comp.DSP web interface on www.DSPRelated.com
novice_engineer wrote: > Hi, > > I am trying to model a 16bit DAC in MATLAB with its nonlinearities > and practical impariments. Does anyone have any idea how to do this ? > Thanks. > > Andy > Matlab or Simulink? Simulink has a quantization block, Matlab probably makes you roll your own -- you can just use floor(x) if you don't mind quantizing in steps of 1.0. Integral and differential nonlinearities will be tougher, because a data sheet will only spec the worst-case, and it won't be very forthcoming about the nature of the nonlinearities that you can expect. If you really need accuracy there you have some studying to do. -- Tim Wescott Wescott Design Services http://www.wescottdesign.com