Electronics Technology (ETR) at Virginia Highlands Community College
Distance Learning
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 114 - D.C. and A.C. Fundamentals II
- Studies D.C. and A.C. circuits, basic electrical components, instruments, network theorems, and techniques used to predict, analyze and measure electrical quantities. Part II of II.Lecture 2-3 hours. Laboratory 3 hours. Total 5-6 hours per week.
3-4 credits - ETR 149 - PC Repair
- Teaches the maintenance, troubleshooting and repair of personal computer systems. Uses IBM or compatible computer systems to provide fault isolation drill and practice.Lecture 1-2 hours. Laboratory 2-6 hours. Total 3-7 hours per week.
2-3 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 164 - Upgrading and Maintaining PC Hardware
- Teaches upgrading of the system CPU, memory, drives, multimedia components, modem, and video card in a microcomputer. Covers hardware as well as software related maintenance issues.Lecture 2 hours. Laboratory 2-3 hours. Total 4-5 hours per week.
3 credits - ETR 166 - Fundamentals of Computer Technology
- Introduces computer use and literacy. Includes operating systems, high level language programming, word processors, spreadsheets and other generic software. Uses engineering terms, standards and methods.Lecture 2-3 hours. Laboratory 1-3 hours. Total 3-6 hours per week.
3-4 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 203 - Electronic Devices I
- Studies active devices and circuits such as diodes, power supplies, transistors, amplifiers and others. Part I of II.Lecture 2-3 hours. Laboratory 3 hours. Total 5-6 hours per week.
Prerequisite: Knowledge of D.C./A.C. theory.3-4 credits - ETR 218 - Industrial Electronics Circuits
- Introduces the principles of industrial measurements and control: electrical, electronic, mechanical, thermal, and optical measuring and records, and actuators, electronic instrumentation control devices and circuits.Lecture 3 hours. Laboratory 3 hours. Total 6 hours per week.
4 credits - ETR 221 - Electronic Controls I
- Discusses characteristics and performance of linear control systems with one or more feedback loops. Includes functions and properties of various components encountered in control systems including servo-amplifiers and error detectors, machine synchronization for automatic operations. Part I of II.Lecture 3 hours. Laboratory 3 hours. Total 6 hours per week.
4 credits - ETR 228 - Computer Troubleshooting and Repair
- Teaches procedures for isolating and correcting problems in computers and computer-related hardware. Emphasizes operational concepts, use of diagnostic software and troubleshooting equipment.Lecture 1-3 hours. Laboratory 3-6 hours. Total 6-7 hours per week.
3-4 credits - ETR 231 - Principles of Lasers and Fiber Optics I
- Teaches the theory and application of lasers and fiber optics. Includes optics, fiber optic cables and connectors, photo detectors, optical pulse generation, sensors, multiplexers, lasers, gas lasers, semiconductor lasers, laser safety and laser test instruments. May include preparation of a report as an out-of-class activity.Lecture 2-3 hours. Laboratory 2-4 hours. Total 4-6 hours per week.
3-4 credits - ETR 242 - Electronic Communications II
- Studies noise, information and bandwidth, modulation and demodulation, transmitters and receivers, wave propagation, antennas and transmission lines. Includes broad band communication systems, microwave, both terrestrial and satellite, fiber optics, multiplexing and associated hardware. Part II of II.Lecture 2-3 hours. Laboratory 3 hours. Total 5-6 hours per week.
3-4 credits - ETR 261 - Microprocessor Application I
- Teaches the fundamentals of microprocessors including architecture, internal operations, memory, I/O devices machine level programming and interfacing. Emphasizes instrumentation and microprocessor. Part I of II.Lecture 2-3 hours. Laboratory 3 hours. Total 5-6 hours per week.
3-4 credits - ETR 279 - Digital Principles, Terminology and Applications
- Studies digital principles, terminology and applications covering number systems, arithmetic, Boolean algebra, Karnaugh maps and advanced logic circuits. Includes the study of registers, encoding and decoding, and multiplexing; A/D, D/A, displays and others.Lecture 3 hours. Laboratory 3 hours. Total 6 hours per week.
4 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 - ETR 290 - Coordinated Internship
- Supervises on-the-job training in selected business, industrial or service firms coordinated by the college.Credit/practice ratio not to exceed 1:5 hours. May be repeated for credit. Variable hours.
1-5 credits - ETR 297 - 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.
1-6 credits - ETR 298 - Seminar and Project
- Requires completion of a project or research report related to the student's occupational objectives and a study of approaches to the selection and pursuit of career opportunities in the field.May be repeated for credit. Variable hours.
1-5 credits