Study of current voltage characteristics of open base transistors in current mode second breakdown

Abstract

The author wishes to express his heartiest gratitude and profound indebtedness to his supervisor Dr. M. M. Shahidul Hassan, Associate Professor of the department of Electrical and Electronic Engineering, Bangladesh University of Engineering and Technology, Dhaka for his supervision, interest, contribution to new ideas and constant guidance throughout the course of this work. Without his whole hearted supervision, this work would not have been done. The author also wishes to express his thanks and gratitude to Dr. Md. Abdul Matin, Professor and Head of the department of Electrical and Electronic Engineering, BUET for allowing the author to work with the departmental facilities and providing him every help and. co-operation at every stage. The author acknowledges the help and suggestions offered to him by his colleagues of the faculty. In particular, the names of Mr. A. H. M. Zahirul Alam and Mr. Monjurul Haque are to be mentioned and he is indebted to them for their timely help and valuable suggestions. Acknowledgement is also due for .t.hestaffs of the faculty of Electrical and Electronic Engineering who took the trouble of helping the author in preparing the manuscript of the work.