Electronics Technology (ETR) at Lord Fairfax Community College
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Distance Learning
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Time of Day
Term
- ETR 113 - D.C. and A.C. Fundamentals I
- Studies D.C. and A.C. circuits, basic electrical components, instruments, network theorems, and techniques used to predict, analyze and measure electrical quantities. Part I of II.Lecture 2-3 hours. Laboratory 3 hours. Total 5-6 hours per week.
3-4 credits - ETR 143 - Devices and Applications I
- Teaches theory of active devices and circuits such as diodes, power supplies, transistors (BJTs), amplifiers and their parameters, FETs, and operational amplifiers. May include UJTs, oscillators, RF amplifiers, thermionic devices and others. Corequisite: knowledge of D.C./A.C. theory or permission of instructor. Part I of II.Lecture 2-3 hours. Laboratory 3 hours. Total 5-6 hours per week.
3-4 credits - ETR 150 - Machine Control Using Relay & Programmable Logic
- Provides an introduction to hardwired relay logic and the programmable logic controller (PLC) as utilized in a variety of different control tasks. Covers different types of inputs and outputs in control system. Teaches practical troubleshooting strategies.Lecture 2 hours. Laboratory 2 hours. Total 4 hours per week.
3 credits - ETR 168 - Digital Circuit Fundamentals
- Covers the fundamentals of digital logic and the study of digital circuits and their applications.Lecture 2-3 hours per week.
2-3 credits - ETR 197 - Cooperative Education
- Supervises in on-the-job training for pay in approved business, industrial and service firms, coordinated by the college's cooperative education office. Is applicable to all occupational- technical curricula at the discretion of the college.Credit/work ratio not to exceed 1:5 hours. May be repeated for credit. Variable hours.
1-5 credits - ETR 280 - Introduction to Digital Logic Circuits and Computers
- Studies digital logic, Boolean algebra, and arithmetic circuits, using standard integrated circuits and the functional block approach. Introduces concepts of computers, the internal operation and control language.Lecture 3 hours. Laboratory 3 hours. Total 6 hours per week.
4 credits