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Generalized Inverted Ladder Digital-to-Analog Converter

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Abstract

Recently, a generalized ladder digital-to-analog converter (DAC) for any radix has been proposed with analog voltage output. In this paper, a new generalized inverted ladder DAC with analog current output is proposed. Analog voltage output is also obtained using a current-to-voltage converter. Spread relations for this DAC are derived. Interestingly, the DACs with radices 2 and 3 have the same spread of 2. As the radix increases, the switching arrangement becomes more and more complex. Practical results obtained for radices 3 and 4 almost tally with the theoretically expected results.

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Authors and Affiliations

  1. School of Electrical Engineering Sciences, IIT Goa, Farmagupdi, Ponda, Goa, 403401, India

    T. S. Rathore

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  1. T. S. Rathore
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Correspondence to T. S. Rathore.

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Rathore, T.S. Generalized Inverted Ladder Digital-to-Analog Converter. Circuits Syst Signal Process 38, 1374–1384 (2019). https://doi.org/10.1007/s00034-018-0917-2

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  • DOI: https://doi.org/10.1007/s00034-018-0917-2

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