Second order sigma-delta control of charge trapping for MOS capacitors

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hdl:2117/115875
Document typeArticle
Defense date2017-09-01
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Abstract
This paper presents the circuit topology of a second order sigma-delta control of charge trapping for MOS capacitors. With this new topology it is possible to avoid the presence of plateaus that can be found in first-order sigma-delta modulators. Plateaus are unwanted phenomena in which the control is locked for a certain time interval (of unknown duration). In this case the control output is constant and therefore the controlled device is in fact in open-loop configuration. It is shown that the presence of plateaus is avoided in MOS capacitors using the proposed approach.
CitationBheesayagari, C., Gorreta, S., Pons, J., Dominguez, M. Second order sigma-delta control of charge trapping for MOS capacitors. "Microelectronics reliability", 1 Setembre 2017, vol. 76-77, p. 635-639.
ISSN0026-2714
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