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Laurel Ridge Community College · Courses

ETR

6 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 113D.C. and A.C. Fundamentals I (Check Availability)3

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.

Subject
ETR
Credits (min)
3
Credits (max)
3
Credit unit
Hours
Type
course
Edition
2026-2027
Catalog
2026-27 Academic Catalog
Source
catalog.laurelridge.edu
ETR 114D.C. and A.C. Fundamentals II (Check Availability)3

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.

Subject
ETR
Credits (min)
3
Credits (max)
3
Credit unit
Hours
Type
course
Edition
2026-2027
Catalog
2026-27 Academic Catalog
Source
catalog.laurelridge.edu
ETR 143Devices and Applications I (Check Availability)3

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. Part I of II.

Subject
ETR
Credits (min)
3
Credits (max)
3
Credit unit
Hours
Type
course
Edition
2026-2027
Catalog
2026-27 Academic Catalog
Source
catalog.laurelridge.edu
Corequisite
Knowledge of D.C./A.C. theory or permission of instructor.
ETR 144Devices and Applications II (Check Availability)3

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. Part II of II.

Subject
ETR
Credits (min)
3
Credits (max)
3
Credit unit
Hours
Type
course
Edition
2026-2027
Catalog
2026-27 Academic Catalog
Source
catalog.laurelridge.edu
Corequisite
Knowledge of D.C./A.C. theory or permission of instructor.
ETR 177Industrial Robotics and Robotics Programming (Fall Only)3

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
cr.
Type
course
Edition
2026-2027
Catalog
2026-27 Academic Catalog
Source
catalog.laurelridge.edu
ETR 286Principles and Applications of Robotics (Spring Only)3

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
cr.
Type
course
Edition
2026-2027
Catalog
2026-27 Academic Catalog
Source
catalog.laurelridge.edu

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