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Danville Community College · Courses

ETR

21 courses with the subject ETR, each shown exactly as we captured it from the college's catalog, with every element we hold. Where the wording looks broken, that is our reading of the catalog, not the college's text.

ETR 115D.C. and A.C. Circuits3

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.

Subject
ETR
Credits (min)
3
Credits (max)
3
Credit unit
Credit Hours
Type
course
Edition
2026-2027
Catalog
2026-2027 DCC College Catalog
Source
catalog.danville.edu
Prerequisite
None
ETR 123Electronic Applications I1-2

Provides laboratory and shop experience as applied to basic electronic devices, circuits and systems with emphasis on practical measurements. Part I of II.

Subject
ETR
Credits (min)
1
Credits (max)
2
Credit unit
Credit Hours
Type
course
Edition
2026-2027
Catalog
2026-2027 DCC College Catalog
Source
catalog.danville.edu
Prerequisite
None
ETR 124Electronic Applications II1-2

Provides laboratory and shop experience as applied to basic electronic devices, circuits and systems with emphasis on practical measurements. Part II of II.

Subject
ETR
Credits (min)
1
Credits (max)
2
Credit unit
Credit Hours
Type
course
Edition
2026-2027
Catalog
2026-2027 DCC College Catalog
Source
catalog.danville.edu
Prerequisite
ETR 123
Corequisite
ETR 142 is a
ETR 136General Industrial Electronic Systems3

Studies devices, circuits, power modules, analog and digital, open and closed loop control and servo systems. May include laboratory projects and modular troubleshooting.

Subject
ETR
Credits (min)
3
Credits (max)
3
Credit unit
Credit Hours
Type
course
Edition
2026-2027
Catalog
2026-2027 DCC College Catalog
Source
catalog.danville.edu
Prerequisite
ELE 113, ELE 114, ELE 152, AND ELE 156 are
ETR 140Introduction to Mech3

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. This course is cross-listed with MEC 140 . Credit will not be awarded for both. Lecture 2 hours. Laboratory 2 hours. Total 4 hours per week. 3 credits

Subject
ETR
Credits (min)
3
Credits (max)
3
Credit unit
Credit Hours
Type
course
Edition
2026-2027
Catalog
2026-2027 DCC College Catalog
Source
catalog.danville.edu
ETR 141Electronics I3

Introduces electronic devices as applied to basic electronic circuits and systems. Part I of II.

Subject
ETR
Credits (min)
3
Credits (max)
3
Credit unit
Credit Hours
Type
course
Edition
2026-2027
Catalog
2026-2027 DCC College Catalog
Source
catalog.danville.edu
Prerequisite
None
ETR 142Electronics II3

Introduces electronic devices as applied to basic electronic circuits and systems. Part II of II.

Subject
ETR
Credits (min)
3
Credits (max)
3
Credit unit
Credit Hours
Type
course
Edition
2026-2027
Catalog
2026-2027 DCC College Catalog
Source
catalog.danville.edu
Prerequisite
ETR 141 is a
ETR 149PC Repair3

Teaches the maintenance, troubleshooting and repair of personal computer systems. Uses IBM or compatible computer systems to provide fault isolation drill and practice.

Subject
ETR
Credits (min)
3
Credits (max)
3
Credit unit
Credit Hours
Type
course
Edition
2026-2027
Catalog
2026-2027 DCC College Catalog
Source
catalog.danville.edu
Prerequisite
None
ETR 150Machine Control Using Relay & Programmable Logic3

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.

Subject
ETR
Credits (min)
3
Credits (max)
3
Credit unit
Credit Hours
Type
course
Edition
2026-2027
Catalog
2026-2027 DCC College Catalog
Source
catalog.danville.edu
Prerequisite
None
ETR 151Electronic Circuits and Troubleshooting I2

Studies analog and digital circuits and systems with standard circuit test and troubleshooting procedures. Part I of II.

Subject
ETR
Credits (min)
2
Credits (max)
2
Credit unit
Credit Hours
Type
course
Edition
2026-2027
Catalog
2026-2027 DCC College Catalog
Source
catalog.danville.edu
Prerequisite
None
ETR 152Electronic Circuits and Troubleshooting II2

Studies analog and digital circuits and systems with standard circuit test and troubleshooting procedures. Part II of II.

Subject
ETR
Credits (min)
2
Credits (max)
2
Credit unit
Credit Hours
Type
course
Edition
2026-2027
Catalog
2026-2027 DCC College Catalog
Source
catalog.danville.edu
Prerequisite
ETR 151 is
ETR 177Industrial Robotics and Robotics Programming3

Prepares the student to safely operate and maintain a robot and develop and maintain basic robot programs.

Subject
ETR
Credits (min)
3
Credits (max)
3
Credit unit
Credit Hours
Type
course
Edition
2026-2027
Catalog
2026-2027 DCC College Catalog
Source
catalog.danville.edu
Prerequisite
None
ETR 180Industrial Ethernet Networking2

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.

Subject
ETR
Credits (min)
2
Credits (max)
2
Credit unit
Credit Hours
Type
course
Edition
2026-2027
Catalog
2026-2027 DCC College Catalog
Source
catalog.danville.edu
Prerequisite
None
ETR 241Electronic Communications I3-4

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.

Subject
ETR
Credits (min)
3
Credits (max)
4
Credit unit
Credit Hours
Type
course
Edition
2026-2027
Catalog
2026-2027 DCC College Catalog
Source
catalog.danville.edu
Prerequisite
ELE 114, ETR 141, & ETR 142 are
ETR 242Electronic Communications II3-4

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.

Subject
ETR
Credits (min)
3
Credits (max)
4
Credit unit
Credit Hours
Type
course
Edition
2026-2027
Catalog
2026-2027 DCC College Catalog
Source
catalog.danville.edu
Prerequisite
ETR 241 is a
ETR 246Electronic Motor Drives Systems3

Introduces advanced operations, setup, programming and troubleshooting of electronic motor drives that are used for the control of industrial AC motors.

Subject
ETR
Credits (min)
3
Credits (max)
3
Credit unit
Credit Hours
Type
course
Edition
2026-2027
Catalog
2026-2027 DCC College Catalog
Source
catalog.danville.edu
Prerequisite
None
ETR 255Active Devices and Circuits3

Teaches theory of active devices and circuits, devices and circuit parameters, semiconductor characteristics and the application of circuits to active systems. Includes testing and analysis of active devices and circuits.

Subject
ETR
Credits (min)
3
Credits (max)
3
Credit unit
Credit Hours
Type
course
Edition
2026-2027
Catalog
2026-2027 DCC College Catalog
Source
catalog.danville.edu
Prerequisite
ELE 113, ELE 114, ELE 123, ELE 124, ELE 152, ELE 153, & ELE 154 are
ETR 282Digital Systems I3-4

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.

Subject
ETR
Credits (min)
3
Credits (max)
4
Credit unit
Credit Hours
Type
course
Edition
2026-2027
Catalog
2026-2027 DCC College Catalog
Source
catalog.danville.edu
Prerequisite
ELE 113, ELE 123, ELE 124, & ELE 152 are
ETR 283Digital Systems II3-4

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.

Subject
ETR
Credits (min)
3
Credits (max)
4
Credit unit
Credit Hours
Type
course
Edition
2026-2027
Catalog
2026-2027 DCC College Catalog
Source
catalog.danville.edu
Prerequisite
ETR 282 is a
ETR 286Principles and Applications of Robotics3

Provides an overview of terminology, principles, practices, and applications of robotics. Studies development, programming; hydraulic, pneumatic, electronic controls; sensors, and system troubleshooting.

Subject
ETR
Credits (min)
3
Credits (max)
3
Credit unit
Credit Hours
Type
course
Edition
2026-2027
Catalog
2026-2027 DCC College Catalog
Source
catalog.danville.edu
Prerequisite
None
ETR 295Topics In1-5

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.

Subject
ETR
Credits (min)
1
Credits (max)
5
Credit unit
Credit Hours
Type
course
Repeatable
May be repeated for credit.
Edition
2026-2027
Catalog
2026-2027 DCC College Catalog
Source
catalog.danville.edu
Prerequisite
None

Source: Danville Community College's catalog, linked per course · table learning_unit · CourseShelf publish 59