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A digital nanovoltmeter

  • Electronics and Radio Engineering
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Abstract

The dynamic cancellation algorithm of the temperature error of the chopped-stabilized amplifier (modulation-demodulation (MDM) amplifier) is described. The digital voltmeter, which is based on this algorithm, features a sensitivity threshold of 0.1 nV, when the time constant is 850 s, and the temperature drift of the bias voltage is 40 pV/°C in a 400-μV dynamic range.

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Authors and Affiliations

  1. Physical-Technical Institute, Volgograd State University, Radiophysics Department, Universitetskii pr. 100, Volgograd, 400062, Russia

    V. K. Ignat’ev, A. V. Nikitin, S. V. Perchenko & D. A. Stankevich

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  1. V. K. Ignat’ev
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  2. A. V. Nikitin
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  3. S. V. Perchenko
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  4. D. A. Stankevich
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Additional information

Original Russian Text © V.K. Ignat’ev, A.V. Nikitin, S.V. Perchenko, D.A. Stankevich, 2012, published in Pribory i Tekhnika Eksperimenta, 2012, No. 1, pp. 50–55.

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Ignat’ev, V.K., Nikitin, A.V., Perchenko, S.V. et al. A digital nanovoltmeter. Instrum Exp Tech 55, 44–48 (2012). https://doi.org/10.1134/S0020441212010162

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  • DOI: https://doi.org/10.1134/S0020441212010162

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