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Power density and energy dissipation of digital ICs' has become one of the main concerns during the recent years. With the increased usage of battery powered devices, ubiquitous computing, and increase in implantable biomedical applications, …

With the recent advancements in integrated circuit technology, digital CMOS circuits have been exponentially scaled according to Moore’s Law over the last three decades. Because analog circuits cannot be scaled down as easy as the digital circuits, …