An Accurate ADC Model in Radar System Simulation

Kalle Folkesson, Christer Svensson

Abstract

To show the usefulness of performing system simulations with an accurate ADC model, some simulations of a radar receiver are presented. The accurate model gives very different results than simple characterization with SNR and SFDR. System performance varies quite much for ADCs with the same specified performance in terms of SNR or SFDR depending on which error mechanism is active in the ADC. With this detailed knowledge of how the ADC affects system performance, the ADC requirement margin can be reduced thus saving cost and power consumption.

Keywords

ADC, modeling

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DOI

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IMEKO TC

TC4 - Measurement of Electrical Quantities

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