Communications and Telephone Electronics

I.     Course Prefix/Number: ELT 222

       Course Name: Communications and Telephone Electronics

       Credits: 3 (2 lecture; 2 lab)

II.    Prerequisite

ELT 106

III.   Course (Catalog) Description

Student will learn:

  • Define the theory of operation of transmitters, receivers and power supplies.
  • Identify and demonstrate modulation techniques and the measurement of selectivity and sensitivity.
  • List various communication protocols and their applications
  • Utilize computer simulation software to model circuits
  • Communicate effectively in a technical and non-technical environment

IV.   Learning Objectives

Student will learn to:

  1. Design digital circuits using different numbering systems.
  2. Examine the difference between analog and digital circuits
  3. Utilize computer simulation software to model digital circuits
  4. Communicate effectively in a technical and non-technical environment
  5. Identify and demonstrate the purpose and application of various type of gates.
  6. Explain the important electrical characteristics of digital gates and signals
  7. Use Boolean logic concepts to design and construct simple digital circuits.

V.    Academic Integrity and Student Conduct

Students and employees at Oakton Community College are required to demonstrate academic integrity and follow Oakton's Code of Academic Conduct. This code prohibits:

• cheating,
• plagiarism (turning in work not written by you, or lacking proper citation),
• falsification and fabrication (lying or distorting the truth),
• helping others to cheat,
• unauthorized changes on official documents,
• pretending to be someone else or having someone else pretend to be you,
• making or accepting bribes, special favors, or threats, and
• any other behavior that violates academic integrity.

There are serious consequences to violations of the academic integrity policy. Oakton's policies and procedures provide students a fair hearing if a complaint is made against you. If you are found to have violated the policy, the minimum penalty is failure on the assignment and, a disciplinary record will be established and kept on file in the office of the Vice President for Student Affairs for a period of 3 years.

Please review the Code of Academic Conduct and the Code of Student Conduct, both located online at

VI.   Sequence of Topics

See separate page from instructor.

VII.  Methods of Instruction

The course will include lectures, lab and problem sessions.  The lecture will be question and answer oriented with emphasis placed upon questions from the text.  The lab will include testing equipment pertinent to the subject area.

Course may be taught as face-to-face, hybrid or online course.  [Note: the last part of this sentence – starting with “face-to-face” – may be shortened as appropriate.]

Course may be taught as face-to-face, hybrid or online course.

VIII. Course Practices Required

  1. The students are required to attend all class lectures and lab sessions.
  2. To do all assigned homework and lab projects.

IX.   Instructional Materials

Note: Current textbook information for each course and section is available on Oakton's Schedule of Classes.

X.    Methods of Evaluating Student Progress

Tests on assigned material 80%
Lab projects 20%

XI.   Other Course Information

If you have a documented learning, psychological, or physical disability you may be entitled to reasonable academic accommodations or services. To request accommodations or services, contact the Access and Disability Resource Center at the Des Plaines or Skokie campus. All students are expected to fulfill essential course requirements. The College will not waive any essential skill or requirement of a course or degree program.

Oakton Community College is committed to maintaining a campus environment emphasizing the dignity and worth of all members of the community, and complies with all federal and state Title IX requirements.

Resources and support for
  • pregnancy-related and parenting accommodations; and
  • victims of sexual misconduct
can be found at

Resources and support for LGBTQ+ students can be found at

Electronic video and/or audio recording is not permitted during class unless the student obtains written permission from the instructor. In cases where recordings are allowed, such content is restricted to personal use only. Any distribution of such recordings is strictly prohibited. Personal use is defined as use by an individual student for the purpose of studying or completing course assignments.

For students who have been approved for audio and/or video recording of lectures and other classroom activities as a reasonable accommodation by Oakton’s Access Disabilities Resource Center (ADRC), applicable federal law requires instructors to permit those recordings. Such recordings are also limited to personal use. Any distribution of such recordings is strictly prohibited.

Violation of this policy will result in disciplinary action through the Code of Student Conduct.