This paper reviews recent developments of interleaved Successive Approximation Analog-to-Digital converters (SAR) in deep sub-micron CMOS technologies. The discussion covers design tradeoffs and degrees of freedom related to the impact of extensive interleaving with many SAR units on bandwidth, noise, linearity, and spurious performance. The impact of interleaving mismatches on representative broadband and multi-carrier narrowband signals is also discussed. Next, two examples are given demonstrating how interleaving with many ADCs can be transformed from a weakness to a strength. The first example concerns low spurious performance enabled by redundant SAR converters and randomization of their operation. The second example presents spectral sensing techniques.
This book addresses the challenges of designing high performance analog-to-digital converters (ADCs) based on the “smart data converters” concept, which implies context awareness, on-chip intelligence and adaptation. Readers will learn to exploit various information either a-priori or a-posteriori (obtained from devices, signals, applications or the ambient situations, etc.) for circuit and architecture optimization during the design phase or adaptation during operation, to enhance data converters performance, flexibility, robustness and power-efficiency. The authors focus on exploiting the a-priori knowledge of the system/application to develop enhancement techniques for ADCs, with particular emphasis on improving the power efficiency of high-speed and high-resolution ADCs for broadband multi-carrier systems.
This book examines in detail the diagnostic approach to manic depressive (bipolar) illness, with special reference to the borderline zones with unipolar depression and schizoaffective disorder. Among other diagnostic issues considered are mixed episodes (often misdiagnosed by psychiatrists), rapid cycling, and the confusion with personality disorders. Within the context of diagnosis and understanding of the dynamics of bipolar disorder, temperament, character, and personality are all extensively discussed. Neurocognitive deficit and disability are covered, as are elements of evolutionary biology and behavior. With regard to treatment, the major focus is on evidence-based therapy, with reference to the results of randomized controlled trials and meta-analyses; in addition, contemporary guidelines and future trends are examined. Careful consideration is also given to the psychosocial treatment approach and issues relating to societal and economic costs and burdens.
This book is an ambitious synthesis of the social, economic, political and cultural interactions between Greeks and non-Greeks in the Mediterranean world during the Archaic, Classical and Hellenistic periods. Instead of traditional and static distinctions between Greeks and Others, Professor Vlassopoulos explores the diversity of interactions between Greeks and non-Greeks in four parallel but interconnected worlds: the world of networks, the world of apoikiai ('colonies'), the Panhellenic world and the world of empires. These diverse interactions set into motion processes of globalisation; but the emergence of a shared material and cultural koine across the Mediterranean was accompanied by the diverse ways in which Greek and non-Greek cultures adopted and adapted elements of this global koine. The book explores the paradoxical role of Greek culture in the processes of ancient globalisation, as well as the peculiar way in which Greek culture was shaped by its interaction with non-Greek cultures.
This book addresses the challenges of designing high performance analog-to-digital converters (ADCs) based on the “smart data converters” concept, which implies context awareness, on-chip intelligence and adaptation. Readers will learn to exploit various information either a-priori or a-posteriori (obtained from devices, signals, applications or the ambient situations, etc.) for circuit and architecture optimization during the design phase or adaptation during operation, to enhance data converters performance, flexibility, robustness and power-efficiency. The authors focus on exploiting the a-priori knowledge of the system/application to develop enhancement techniques for ADCs, with particular emphasis on improving the power efficiency of high-speed and high-resolution ADCs for broadband multi-carrier systems.
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