Abstract
In this paper, an ultra-low-voltage, low-power pseudo-differential CMOS Schmitt trigger is presented. The bulk-driven and sub-threshold techniques are used to achieve low-voltage and low-power circuit. The regenerative current feedback is applied to provide the hysteresis of the op-amp based Schmitt trigger. The proposed Schmitt trigger is designed and simulated in 0.18 μm CMOS technology and it is operated in 0.4 V supply voltage with 150 nW power consumption.
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