Lecture 14 - BJT Nonidealities and Equivalent Model

Lecture 14 - BJT Nonidealities and Equivalent Model -...

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1 Introduction to Semiconductor Devices Instructor : Ridha Kamoua Stony Brook University Lecture Notes BJT Nonidealities and Equivaelnt Model
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2 All federal and state copyright interests are reserved for all original material presented in this course through any medium, including lecture, electronic transmission or print. Individuals may not sell, be paid or receive anything of value for class notes made during this course from any person or entity without the express written permission of (author). In addition to legal sanctions, violation of these copyright prohibitions may result in University disciplinary action The Teach Act: Fair Use and Copyright Protection for Digital Media
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3 Learning Outcomes: 1. Nonidealities: a. Current Crowding b. Breakdown c. Emitter Bandgap Narrowing 2. Describe small signal hybrid model 3. Describe cutoff frequency
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4 Current Crowding + The base has a nonzero resistance there is a lateral potential difference under the emitter region (potential decreases from base to the center of the emitter).
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Lecture 14 - BJT Nonidealities and Equivalent Model -...

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