ACKNOWLEDGEMENTS

I would like to thank my advisor, Dr. Un-Ku Moon, for his patience and valuable guidance throughout my graduate study. His criticism and advice made me grow not only as an engineer, but as a person. I would also like to thank the members of my thesis committee for their helpful feedback Thanks to Gil-Cho Ahn for his insights and helpful comments on the pipelined ADC as well as a wide range of subjects in the analog field. Thanks to Dong-Young Chang for helping me start in the beginning of the research. Thanks to my friends Pavan Hanumolu, Jipeng Li, Anurag Pulincherry and José Silva for their patience and accessibility whenever I had technical questions. I would like to thank the members of Korean Student Association of Computer Science and Electrical and Computer Engineering for their social contribution to my experience as a graduate student at Oregon State University. I would like to thank my roommates Chi-Young Lim and Ki-Seok Yoo for being cool to live under the same roof. I would like to thank my family for their endless support. I would like t