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Automatic voltage regulator using an AC voltage-voltage converter [PDF]

open access: possibleIEEE Transactions on Industry Applications, 2000
Voltage sags and extended undervoltages are one of the main concerns of industry today. These voltage sags could cause high negative impact on productivity, which is certainly an undesirable aspect in industrial and commercial applications. Current tap-changing transformers used in distribution systems have proven to be inadequate in solving these ...
S.M. Hietpas, M. Naden
openaire   +2 more sources

CMOS voltage reference based on threshold voltage and thermal voltage [PDF]

open access: possibleAnalog Integrated Circuits and Signal Processing, 2009
A fully CMOS based voltage reference circuit is presented in this paper. The voltage reference circuit uses the difference between gate-to-source voltages of two MOSFETs operating in the weak-inversion region to generate the voltage with positive temperature coefficient. The reference voltage can be obtained by combining this voltage difference and the
Chung-Chih Hung   +2 more
openaire   +1 more source

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