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Author: search.filters.author.Vasantha, M.H.Subject: search.filters.subject.bulk-transconductance

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    0.5 V, 36μW Gm-C butterworth low pass filter in 0.18μm CMOS process
    (2012) Vasantha, M.H.; Laxminidhi, T.
    This paper presents a low voltage, low power continuous-time (G m-C) 4th order low pass Butterworth filter with a 3-dB bandwidth of 1MHz and capable of operating at supply voltage as low as 0.5V in 0.18 μm. The filter uses bulk-driven technique for achieving the necessary head-room. The simulation results show that the filter has a peak-to-peak signal swing of 1.2V (differential) for 1% THD and a dynamic range of 54 dB. The power consumed by the filter is 36μW when operating at a voltage of 0.5 V. The Figure of Merit (FOM) achieved by the filter is 0.05 fJ and is found to be lowest among the similar filters found in the literature. © 2012 IEEE.