Electronics Technology (ETR) at Patrick Henry Community College


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ETR 95 - Topics In
Provides an opportunity to explore topical areas of interest to or needed by students.
May be used also for special honors courses. May be repeated for credit. Variable hours.
1-5 credits
ETR 96 - On-Site Training
Specializes in career orientation and training program without pay in selected businesses and industry, supervised and coordinated by the college.
Credit/work ratio not to exceed 1:5 hours. May be repeated for credit. Variable hours.
1-5 credits
ETR 100 - Electronic Problem Solving Laboratory
Focuses on enabling the student to improve skills in various areas of study. Includes electronic measurements, circuit assembly, troubleshooting circuits, and computer applications to problem solving.
Lecture 0-1 hours. Laboratory 2-3 hours. Total 3 hours per week.
1 credits
ETR 112 - Math Applications for ELE/ETR Analysis
Presents mathematical applications for ELE/ETR students. Includes mathematical concepts and problems in algebra and trigonometry, and direct application to electronic analysis. Includes a survey of advanced mathematics to develop and reinforce electronic concepts.
Lecture 1 hour. Laboratory 2 hours. Total 3 hours per week.
2 credits
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 115 - D.C. and A.C. Circuits
Studies current flow in direct and alternating current circuits with emphasis upon practical problems. Reviews mathematics used in circuit calculations. Introduces concepts of resistance, capacitance, inductance and magnetism. Focuses on electronics/circuits application.
Lecture 3-4 hours per week.
3-4 credits
ETR 123 - Electronic Applications I
Provides laboratory and shop experience as applied to basic electronic devices, circuits and systems with emphasis on practical measurements. Part I of II.
Lecture 0-1 hours. Laboratory 2-6 hours. Total 2-6 hours per week.
1-2 credits
ETR 140 - Introduction to Mechatronics
Presents foundational concepts in mechatronics including analog and digital electronics, sensors, actuators, microprocessors, and microprocessor interfacing to electromechanical systems. Surveys components and measurement equipment used in the design, installation, and repair of mechatronic equipment and circuits. Prerequisite: divisional approval.
Lecture 2 hours. Laboratory 2 hours. Total 4 hours per week.
3 credits
ETR 141 - Electronics I
Introduces electronic devices as applied to basic electronic circuits and systems. Part I of II.
Lecture 3 hours per week.
3 credits
ETR 142 - Electronics II
Introduces electronic devices as applied to basic electronic circuits and systems. Part II of II.
Lecture 3 hours per week.
3 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 144 - Devices and Applications II
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 II of II.
Lecture 2-3 hours. Laboratory 3 hours. Total 5-6 hours per week.
3-4 credits
ETR 145 - Industrial Electricity Applications
Includes presentation and demonstration on rotating devices, single phase and polyphase distribution, magnetic devices, circuits and systems for industrial applications. May require preparation of a report as an out-of-class activity.
Lecture 2 hours per week.
2 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 151 - Electronic Circuits and Troubleshooting I
Studies analog and digital circuits and systems with standard circuit test and troubleshooting procedures. Part I of II.
Lecture 2 hours per week.
2 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 180 - Industrial Ethernet Networking
Examines the theory and implementation of digital and communications systems. Features OSI model and plant floor networks. May include optical, wireless, satellite and other communications systems.
Lecture 1-2 hours. Laboratory 2-3 hours. Total 3-5 hours per week.
2-3 credits
ETR 195 - Topics In
Provides an opportunity to explore topical areas of interest to or needed by students.
May be used also for special honors courses. May be repeated for credit. Variable hours.
1-5 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 198 - 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
ETR 199 - Supervised Study
Assigns problems for independent study incorporating previous instruction and supervised by the instructor.
May be repeated for credit. Variable hours.
1-5 credits
ETR 225 - Data Communications
Studies computer communication devices including configurations and protocols. May include modems multiplexing, teletex and interfacing with telecommunication systems such as local and area networks, microwave and satellite and delivery systems, fiber optic systems and packet systems.
Lecture 3-4 hours. Laboratory 1-6 hours. Total 4-9 hours per week.
4-5 credits
ETR 230 - Mechatronic Process Control
Studies systems integrating mechanical components with electrical components and logic devices used to control manufacturing operations. Surveys electromechanical actuators, sensors, digital to analog conversion, and methods of computer control as related to the managing and monitoring of manufacturing processes. Prerequisite: MEC 140 or divisional approval.
Lecture 2 hours. Laboratory 2 hours. Total 4 hours per week.
3 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 241 - Electronic Communications I
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 I of II.
Lecture 2-3 hours. Laboratory 3 hours. Total 5-6 hours per week.
3-4 credits
ETR 243 - Digital, Analog, and Data Comm. Sys. I
Teaches theory and implementation of digital and analog circuits in communication systems. Includes PCM, multiplexing, analog modulation, analysis and performance of transmitters and receivers. Includes optical satellite and other communications systems. Prerequisite: Knowledge of D.C./A.C. theory and devices. Part I of II.
Lecture 3-4 hours. Laboratory 3 hours. Total 7-8 hours per week.
4-5 credits
ETR 246 - Electronic Motor Drives Systems
Introduces advanced operations, setup, programming and troubleshooting of electronic motor drives that are used for the control of industrial AC motors.
Lecture 1 - 2 hours. Laboratory 2 hours. Total 3- 4 hours per week.
2-3 credits
ETR 250 - Solid State Circuits
Teaches theory and application of amplifiers and oscillators. Includes amplifier circuit configurations, amplifier classes, operational amplifiers, power amplifiers, bandwidth distortion, and principles of feedback. Prerequisite: Knowledge of D.C./A.C. theory, and active devices and circuits.
Lecture 3 hours. Laboratory 3 hours. Total 6 hours per week.
4 credits
ETR 259 - Linear Integrated Circuits
Studies linear integrated devices, circuits and applications. Includes analysis of linear ICs, op-amps, op-amp circuits, regulator circuits, oscillatory circuits, waveshaping circuits, active filter, signal processing; A/D and D/A conversion, modulation and demodulation, timers, special analog circuits, new topics and troubleshooting methods. Prerequisite: Knowledge of D.C./A.C. theory.
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 266 - Microprocessor Applications
Teaches fundamentals of microprocessors including architecture, internal operations, memory, I/O devices, machine level programming and interfacing.
Lecture 3 hours per week.
3 credits
ETR 267 - Microprocessor Applications I
Includes interfacing the CPU to peripheral equipment, displays, control circuits and systems. Teaches sequential operation, the programming, and analysis of microprocessor and complementary chips. Emphasizes instrumentation and microprocessor. May require preparation of a report as an out-of-class activity. Part I of II.
Lecture 2 hours. Laboratory 2 hours. Total 4 hours per week.
3 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 281 - Digital Systems
Includes basic numbering systems, Boolean algebra, logic circuits and systems, pulse circuits and pulse logic systems as applied to computer and microprocessor technology.
Lecture 2 hours. Laboratory 3 hours. Total 5 hours per week.
3 credits
ETR 282 - Digital Systems I
Includes programming, circuitry, logic, operation interfacing of computer and microprocessing systems. Includes pulse circuits and pulse logic systems as applied to computer and microprocessor technology. Part I of II.
Lecture 2-3 hours. Laboratory 3 hours. Total 5-6 hours per week.
3-4 credits
ETR 283 - Digital Systems II
Includes programming, circuitry, logic, operation interfacing of computer and microprocessing systems. Includes pulse circuits and pulse logic systems as applied to computer and microprocessor technology. Part II of II.
Lecture 2-3 hours. Laboratory 3 hours. Total 5-6 hours per week.
3-4 credits
ETR 286 - Principles and Applications of Robotics
Provides an overview of terminology, principles, practices, and applications of robotics. Studies development, programming; hydraulic, pneumatic, electronic controls; sensors, and system troubleshooting.
Lecture 1-2 hours. Laboratory 2 hours. Total 3-4 hours per week.
2-3 credits
ETR 295 - Topics In
Provides an opportunity to explore topical areas of interest to or needed by students.
May be used also for special honors courses. May be repeated for credit. Variable hours.
1-5 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
ETR 299 - Supervised Study
Assigns problems for independent study incorporating previous instruction and supervised by the instructor.
May be repeated for credit. Variable hours.
1-5 credits