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Germanna 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 I4

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)
4
Credits (max)
4
Credit unit
Credits
Type
course
Edition
2026-2027
Catalog
2026-2027 Catalog
Source
catalog.germanna.edu
Prerequisite
MDE 10 or equivalent
ETR 114D.C. and A.C. Fundamentals II4

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)
4
Credits (max)
4
Credit unit
Credits
Type
course
Edition
2026-2027
Catalog
2026-2027 Catalog
Source
catalog.germanna.edu
Prerequisite
ETR 113
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
Credits
Type
course
Edition
2026-2027
Catalog
2026-2027 Catalog
Source
catalog.germanna.edu
ETR 143Devices and Applications I4

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)
4
Credits (max)
4
Credit unit
Credits
Type
course
Edition
2026-2027
Catalog
2026-2027 Catalog
Source
catalog.germanna.edu
Prerequisite
ETR 114
ETR 150Machine Control Using Relay and 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
Credits
Type
course
Edition
2026-2027
Catalog
2026-2027 Catalog
Source
catalog.germanna.edu
Prerequisite
ETR 167
ETR 167Logic and Systems3

Studies digital switching and logic circuits, numbering systems, Boolean algebra, logic gates and families. Includes fundamental concepts of microprocessor operation and interface circuitry.

Subject
ETR
Credits (min)
3
Credits (max)
3
Credit unit
Credits
Type
course
Edition
2026-2027
Catalog
2026-2027 Catalog
Source
catalog.germanna.edu
Prerequisite
ETR 114

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