Abstract
An integrating pulse-number analog-to-digital converter (ADC) is discussed that differs from its analogs in increased (by no less than one order of magnitude) noise, temporal, and temperature stability of characteristics. The schematic diagram of the device, timing diagrams of signals, and basic design ratios with and without a zero-drift signal in a voltage-to-pulse-rate converter are presented. The dynamics of the ADC is analyzed by transmitting a harmonic signal in the case of in-phase and out-of-phase amplitude modulation of the input signal. Considerable advantages of the in-phase amplitude modulation are demonstrated. A schematic way of doubling the frequency of carrier oscillations in the voltage-to-pulse-rate converter is proposed, which provides an improved noise stability of the ADC.
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Original Russian Text © L.I. Tsytovich, M.M. Dudkin, O.G. Brylina, A.V. Tyugaev, 2015, published in Avtomatika i Vychislitel’naya Tekhnika, 2015, No. 2, pp. 56–64.
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Tsytovich, L.I., Dudkin, M.M., Brylina, O.G. et al. Integrating pulse-number ADC with high temporal and temperature stability of characteristics. Aut. Control Comp. Sci. 49, 103–109 (2015). https://doi.org/10.3103/S014641161502008X
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DOI: https://doi.org/10.3103/S014641161502008X