at Shahid Beheshti University in Iran, demonstrate a comparator-based buffer circuit using a variable ... switched-capacitor circuits for scaled CMOS technologies, IEEE J. Solid-ST. Circ., 41 (2006), ...

This can be accomplished by placing a comparator that looks across the switch node, SW, and compares the voltage across the drain-source node of the low side FET with ground. Figure 2 shows a block ...