SYNTHESIS OF ∑Δ-ADC WITH MULTI-LEVEL D/A CONVERTER BASED ON PULSE-WIDTH MODULATION

Ashanin Vasily Nikolaevich, Candidate of engineering sciences, professor, head of sub-department of electrical engineering and transport electrical equipment, Penza State University, eltech@pnzgu.ru 

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The article suggests a method of Δ-ADC synthesis with multilevel DAC based on pulse-width modulator. The method is developed according to the theory of analog-digital systems. The Δ-modulators have high linearity of conversion. The author presents the results of simulation modeling. 

Δ-ADC, analog-digital system, analog-to-digital converter, digitalanalog converter, pulse-width modulator, transfer function.