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This book presents a novel logarithmic conversion architecture based on cross-coupled inverter. An overview of the current state of the art of logarithmic converters is given where most conventional logarithmic analog-to-digital converter architectures are derived or adapted from linear analog-to-digital converter architectures, implying the use of analog building blocks such as amplifiers. The conversion architecture proposed in this book differs from the conventional logarithmic architectures. Future possible studies on integrating calibration in the voltage to time conversion element and work on an improved conversion architecture derived from the architecture are also presented in this book.
List of contents
Introduction.- Nonlinear A/D Converters.- Proposed Logarithmic ADC.- Logarithmic VTC Design.- Circuit and Layout Level Validation.- Evaluation of the Prototype.- Future Work and Conclusions.
About the author
Mauro Santos (IEEE S'08-M'18) concluded his PhD from Instituto Superior Tecnico, Lisbon in 2018 in the area of microelectronics. His research interests are mainly in analog-to-digital signal conversion, analog and mixed signal IC design and power electronics.
Jorge Manuel Guilherme is a professor at the Instituto Politecnico Tomar since 1996. He works at the Integrated Circuits Group of Instituto de Telecomunicações since 2004. His scientific interests are in the areas of microelectronics, data conversion and power management.
Nuno Horta (S’89–M’97–SM’11) is an Associate Professor at IST Electrical and Computer Engineering Department. He is a Senior Researcher at Instituto de Telecomunicações, where he is the head of the Integrated Circuits Group. His research interests are mainly in analog and mixed-signal IC design, analog IC design automation, soft computing and data science.
Summary
This book presents a novel logarithmic conversion architecture based on cross-coupled inverter. An overview of the current state of the art of logarithmic converters is given where most conventional logarithmic analog-to-digital converter architectures are derived or adapted from linear analog-to-digital converter architectures, implying the use of analog building blocks such as amplifiers. The conversion architecture proposed in this book differs from the conventional logarithmic architectures. Future possible studies on integrating calibration in the voltage to time conversion element and work on an improved conversion architecture derived from the architecture are also presented in this book.
