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Compensation of two-periodic nonuniform holding signal distortions by using a variable FIR filter
2008
2008 International Conference on Signals and Electronic Systems
We introduce a Farrow-based variable FIR filter to compensate distortions in digital-to-analog converters (DACs) that are due to two-periodic nonuniform holding signals. Without compensation such holding signals introduce distortions that reduce the DAC performance considerably. By utilizing a discrete-time model of a zero-order hold, we first derive the ideal frequency responses of the compensation filters. Then we exploit the spectral properties of the ideal frequency responses to introduce
doi:10.1109/icses.2008.4673427
fatcat:pbuayq3dcbaxvnngwgqk4dhfry