Wei Thesis.Pdf
UNIVERSITY OF CALIFORNIA Santa Barbara Wide Bandwidth Power Heterojunction Bipolar Transistors and Amplifiers A Dissertation submitted in partial satisfaction of the requirements for the degree Doctor of Philosophy in Electrical and Computer Engineering by Yun Wei Committee in charge: Professor Mark Rodwell, Chair Professor Steve Long Professor Umesh Mishra Professor Robert York March, 2003 The dissertation of Yun Wei is approved. _____________________________________________ Professor Steve Long _____________________________________________ Professor Umesh Mishra _____________________________________________ Professor Robert York _____________________________________________ Professor Mark Rodwell, Committee Chair November, 2002 ii Wide Bandwidth Power Heterojunction Bipolar Transistors and Amplifiers Copyright © 2003 by Yun Wei iii To my wife and daughter. iv ACKNOWLEDGEMENTS I would like to say that I feel lucky of being a student of Prof. Rodwell. I am always indebted to him for his advice and assistance during my graduate school career. I have learned not only the knowledge, but also gained a lot from his enthusiasm for scientific research and willingness to help others. I would also like to thank my committee members Prof. Umesh Mishra, Prof. Stephen Long and Prof. Robert York for their patience, encouragement and support. It was my greatest pleasure of working with my colleagues, who gave me both helps and friendliness. Thanks to Dino, James, Shri, Tomas and PK, who gave me the first laboratory training. Special thanks to Paidi, Miguel and Dennis; this thesis would not have been possible without their contributions. Also thanks to Sangmin, Zach, Shouxuan, Mattias, and Navin for their suggestions and support during this work. The excellent support received from Jack Whaley, Mike Anzlowar, Bob Hill, and Neil Baker led to the successful fabrication of the devices and MMICs described in this work.
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