YANG Hong-guan, ZHU Kun-shun, ZHU Xiao-jun. A Technique for Extracting the Threshold Voltage of MOSFET Based on Savitzky-Golay Filter[J]. Acta Electronica Sinica, 2013, 41(11): 2242-2246.
YANG Hong-guan, ZHU Kun-shun, ZHU Xiao-jun. A Technique for Extracting the Threshold Voltage of MOSFET Based on Savitzky-Golay Filter[J]. Acta Electronica Sinica, 2013, 41(11): 2242-2246. DOI: 10.3969/j.issn.0372-2112.2013.11.020.
Originally from the noise and errors in measurement
the fluctuations make the extraction of MOSFET's threshold voltage unstable
which will become worse in the case of the derivation operation.We proposed that the Savitzky-Golay filtering algorithm could be introduced into the derivation process in order to alleviate the influence of fluctuations effectively.A criterion for assessing the goodness of filtering was presented
and then the extraction of threshold voltage of MOSFET could be achieved stably and automatically
which will be in favor of the characterizing MOS devices and designing integrated circuits.