ee348_Experiment08 - Laboratory Experiment 8 EE348L...

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University of Southern California. EE348L page1 Lab 8 Laboratory Experiment 8 EE348L B.Madhavan Revised by: Aaron Curry
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University of Southern California. EE348L page2 Lab 8 Table of Contents 8 Experiment #8: Introduction to the Bipolar Junction Transistor ....................... 4 8.1 Introduction ............................................................................................................................. 4 8.2 Bipolar Junction Transistor Theory: ....................................................................................... 4 8.2.1 Linear Region of operation: ................................................................................................... 5 8.2.2 Biasing and general BJT operating point considerations ....................................................... 8 8.2.3 Choice of collector current and beta ...................................................................................... 9 8.2.4 Biasing a common-emitter amplifier with emitter degeneration resistor ............................... 9 8.2.5 Determinitaion of V CE …………………………………………………………………… ...11 8.2.6 Wilson Current Source ........................................................................................................ 14 8.3 BJT simulation in HSpice .................................................................................................... 15 8.4 BJT Spice models ................................................................................................................ 19 8.4.1 Device Specifications: ......................................................................................................... 19 8.5 Conclusion ........................................................................................................................... 19 8.6 Revision History .................................................................................................................. 19 8.7