Semiconductor Devices and Circuits

Course Number: EET 221
Transcript Title: Semiconductor Devices/Circuits
Created: September 1, 2012
Updated: February 23, 2016
Total Credits: 5
Lecture Hours: 40
Lecture / Lab Hours: 0
Lab Hours: 30
Satisfies Cultural Literacy requirement: No
Satisfies General Education requirement: No
Grading options: A-F (default), audit
Repeats available for credit: 0

Course Description

Examines the characteristics of semiconductor devices and biasing of diodes and transistors. Covers design and analysis of semiconductor circuits using diodes, bipolar transistors, field effect transistors, SCR’s, MOSFET’s, and IGBT’s.  Covers use of transistors as switches. Includes 3 hour lab that explores the application of semiconductor devices, configurations, and computer tools in circuit design, evaluation, and analysis. Prerequisite: EET 113. Audit available.

Intended Outcomes

Upon successful completion of this course, students will be able to:

  1. Apply concepts of semiconductor devices, diodes and transistors, to design and analyze circuits.
  2. Apply fundamentals of semiconductor devices in electronics projects and use computer tools in circuit design, evaluation, and analysis.
  3. Write technical reports using collected experiment data.
  4. Apply concepts of semiconductor devices to troubleshoot circuits.
  5. Apply concepts of semiconductor devices in problem solving.

Outcome Assessment Strategies

Assessment methods are to be determined by the instructor. Typically, in class exams and quizzes, and homework assignments will be used. Lab work is typically assessed by a lab notebook, formal lab reports, performance of experiments, and possibly a lab exam.

Course Activities and Design

Lecture and discussion are the instructional methods used. Weekly homework is assigned. Laboratory activity includes building circuits on solder-less breadboards, making circuit measurements using test equipment, analyzing test data, comparing predictions to theory.

Lab exercises also involve using a PC with spreadsheet, word processor, and circuit simulation software.

Course Content (Themes, Concepts, Issues and Skills)

  1. Semiconductor materials, PN, NPN, and PNP junctions. Simplified description of the operation of diodes and transistors. Diode and transistor characteristic curves. The diode equation. Testing diodes and transistors.
  2. Diode applications as rectifiers, zeners, limiters, clampers, switching, and logic. Light emitting diodes, variable capacitance diodes.
  3. Bipolar junction transistors. Common base, common emitter, and common collector characteristics and biasing circuits. Bias design for BJT's. Bias stabilization using collector and emitter feedback, and voltage dividers. Transistor specifications. The transistor as a switch.
  4. Bipolar junction transistor amplifiers. AC and DC amplifier gain, input and output impedance, and effect of source and load resistance. Brief treatment of h parameters.
  5. Load line analysis of transistor amplifiers.
  6. Field effect transistors (FET's). Junction FET characteristics and biasing. Fixed bias, self-bias, and voltage divider bias. Graphical and algebraic bias solutions. Junction FET specifications.
  7. Metal oxide semi-conductor FET's (MOS-FET's). Enhancement and depletion type MOS-FET characteristics and biasing. Fixed bias, self-bias, voltage divider bias and feedback bias. Graphical and algebraic bias solutions. MOS- FET specifications.