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EHB 231E - Electronics I

Course Objectives

This course aims to give the following abilities to the students:
1. Conduction mechanism in solid materials,
2. Transistor models and biasing,
3. Basic switch applications of transistors.

Course Description

Conduction. Semiconductors, carriers, p-type and -type doping, drift and diffusion mechanisms, physical structure and
behavior of the pn junction. Ideal diode, practical diode, electrical behavior and current-voltage curve. Diode model. DC
analysis methods for diode circuits (constant voltage drop model, fixed point iteration with the exponential model).
Small signal approximation, diode small signal equivalent and AC analysis of the diode circuits, DC power supply design
(rectifiers, analysis of the topology with filter capacitor). Zener diode and regulation. Body resistance and parasitic
capacitors. Other diode types. Physical structure and behavior of the bipolar-junction transistor (BJT), the Early
phenomenon, BJT operation regions, electrical model (Ebers-Moll) and characteristics. DC biasing and thermal stability
of BJT circuits. Physical structure and behavior of MOSFET, operation regions, characteristics, important secondary
effects (channel length modulation, body effect). DC biasing and thermal stability of MOSFET circuits. Switching
applications of BJT and MOSFET, the conceptual usage in digital circuits

Course Coordinator
Onur Kurt
Course Language
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