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PSpice; Simple ADC/DAC model for DSP modelling

Discussion in 'CAD' started by Klaus Kragelund, Feb 9, 2006.

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  1. Hi

    I would like to simulate a FIR filter in Orcad PSpice and the method I
    have found is to:

    1 Add a sample/hold circuit
    2 Add a ADC
    3 Feed ADC directly to DAC
    4 Use some transmission lines to get the delayed filter variables
    5 Apply the filter to these variable

    But, is there a simpler way to do this. Perhaps some fancy ABM block to
    do the zero order hold and quantization of the converter?

    Thanks

    Klaus
     
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