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ELEC ENG 4106 - Radio Frequency Systems

North Terrace Campus - Semester 2 - 2025

This course introduces the basics of RF Engineering. It covers a broad range of topics around RF devices and systems. The course illustrates how different building blocks such as amplifiers, oscillators and mixers, as well as guiding structures including transmission lines and waveguides, work together to build RF transmitters and receivers. It introduces important parameters and concepts related to these components, such as scattering matrices, impedance matching and non-linearities. The course shows how the electromagnetic theory applies to RF systems, and is a pathway towards more advanced courses on antennas & propagation and telecommunications.

  • General Course Information
    Course Details
    Course Code ELEC ENG 4106
    Course Radio Frequency Systems
    Coordinating Unit Electrical and Electronic Engineering
    Term Semester 2
    Level Undergraduate
    Location/s North Terrace Campus
    Units 3
    Contact Up to 4 hours per week
    Available for Study Abroad and Exchange Y
    Prerequisites ELEC ENG 2101
    Incompatible ELEC ENG 3106, ELEC ENG 3018
    Assumed Knowledge ELEC ENG 3103
    Assessment Tests, practicals, and written exam
    Course Staff

    Course Coordinator: Professor Withawat Withayachumnankul

    Course Timetable

    The full timetable of all activities for this course can be accessed from .

  • Learning Outcomes
    Course Learning Outcomes
    On successful completion of this course students will be able to:

    1 Examine characteristics of guided waves with transmission line theory;
    2 Analyse and design common transmission lines and waveguides;
    3 Analyse RF sub-systems with microwave network analysis;
    4 Calculate impedance matching network for RF systems;
    5 Explain operation of nonlinear devices with small-signal approximation;
    6 Examine characteristics of mixers;
    7 Explain different types of nonlinear distortion with small-signal approximation;
    8 Discuss how RF components constitute RF transmitters and receivers.

     
    The above course learning outcomes are aligned with the Engineers Australia . The course develops the following EA Elements of Competency to levels of introductory (A), intermediate (B), advanced (C):  
     
    1.11.21.31.41.51.62.12.22.32.43.13.23.33.43.53.6
    C C C C
    University Graduate Attributes

    This course will provide students with an opportunity to develop the Graduate Attribute(s) specified below:

    University Graduate Attribute Course Learning Outcome(s)

    Attribute 1: Deep discipline knowledge and intellectual breadth

    Graduates have comprehensive knowledge and understanding of their subject area, the ability to engage with different traditions of thought, and the ability to apply their knowledge in practice including in multi-disciplinary or multi-professional contexts.

    1-8

    Attribute 2: Creative and critical thinking, and problem solving

    Graduates are effective problems-solvers, able to apply critical, creative and evidence-based thinking to conceive innovative responses to future challenges.

    1-8

    Attribute 3: Teamwork and communication skills

    Graduates convey ideas and information effectively to a range of audiences for a variety of purposes and contribute in a positive and collaborative manner to achieving common goals.

    8

    Attribute 4: Professionalism and leadership readiness

    Graduates engage in professional behaviour and have the potential to be entrepreneurial and take leadership roles in their chosen occupations or careers and communities.

    1-8
  • Learning & Teaching Activities
    Learning & Teaching Modes
    • Lectures will be in-class twice a week for the entire semester. Records will be available.
    • Pracs will be in-class for five sessions.
    • Tutorials will be in-class for five sessions.
    Workload

    The information below is provided as a guide to assist students in engaging appropriately with the course requirements.

    • Lectures 2 hrs per week
    • Pracs 3 hours per session for 5 sessions
    • Tute 1 hour per session for 5 sessions
    Learning Activities Summary
    Tentative activity schedule

    Activity

    Week

    Topic

    Lecture

    1-3

    Transmission line theory

    4-6

    Waveguiding structures

    6-7

    Network analysis

    7-8

    Impedance matching and tuning

    9-10

    Nonlinear RF components

    10-11

    Mixers

    12

    Nonlinear distortion

    Tests

    8

    Transmission lines theory

    11

    Waveguiding structures

    Tutorials

    3

    Introduction to RF Engineering

    5

    Transmission line theory

    7

    Waveguiding structures

    9

    Network analysis

    11

    Impedance matching, nonlinearity & mixers

  • Assessment

    The University's policy on Assessment for Coursework Programs is based on the following four principles:

    1. Assessment must encourage and reinforce learning.
    2. Assessment must enable robust and fair judgements about student performance.
    3. Assessment practices must be fair and equitable to students and give them the opportunity to demonstrate what they have learned.
    4. Assessment must maintain academic standards.

    Assessment Summary
    Assessment Task Weighting (%) Individual/ Group Formative/ Summative 
    Due (week)*
    Hurdle criteria Learning outcomes
    Test 1 10 Individual Summative Week 5 1. 2.
    Test 2 10 Individual Summative Week 11 3. 4.
    Practicals 20 Group Formative Weeks 1-8 Min 40% 8.
    Exam 60 Individual Summative End of Semester Min 40% 1. 2. 3. 4. 5. 6. 7. 8.
    Total 100
    * The specific due date for each assessment task will be available on MyUni.
      
    This assessment breakdown is registered as an exemption to the University's . The exemption is related to the Procedures clause(s): 1. b. 3.    
      
    This course has a hurdle requirement. Meeting the specified hurdle criteria is a requirement for passing the course.
    Assessment Detail
    • Test 1 - In-class 50 mins on transmission line theory
    • Test 2 - In-class 50 mins on waveguiding structures
    • Pracs - In-person attendance and summative assignment
    • Exam - On-site at the end of semester
    Submission
    Submission instructions will be provided in MyUni.
    Course Grading

    Grades for your performance in this course will be awarded in accordance with the following scheme:

    M10 (Coursework Mark Scheme)
    Grade Mark Description
    FNS   Fail No Submission
    F 1-49 Fail
    P 50-64 Pass
    C 65-74 Credit
    D 75-84 Distinction
    HD 85-100 High Distinction
    CN   Continuing
    NFE   No Formal Examination
    RP   Result Pending

    Further details of the grades/results can be obtained from Examinations.

    Grade Descriptors are available which provide a general guide to the standard of work that is expected at each grade level. More information at Assessment for Coursework Programs.

    Final results for this course will be made available through .

  • Student Feedback

    The University places a high priority on approaches to learning and teaching that enhance the student experience. Feedback is sought from students in a variety of ways including on-going engagement with staff, the use of online discussion boards and the use of Student Experience of Learning and Teaching (SELT) surveys as well as GOS surveys and Program reviews.

    SELTs are an important source of information to inform individual teaching practice, decisions about teaching duties, and course and program curriculum design. They enable the University to assess how effectively its learning environments and teaching practices facilitate student engagement and learning outcomes. Under the current SELT Policy (http://www.adelaide.edu.au/policies/101/) course SELTs are mandated and must be conducted at the conclusion of each term/semester/trimester for every course offering. Feedback on issues raised through course SELT surveys is made available to enrolled students through various resources (e.g. MyUni). In addition aggregated course SELT data is available.

  • Student Support
  • Policies & Guidelines
  • Fraud Awareness

    Students are reminded that in order to maintain the academic integrity of all programs and courses, the university has a zero-tolerance approach to students offering money or significant value goods or services to any staff member who is involved in their teaching or assessment. Students offering lecturers or tutors or professional staff anything more than a small token of appreciation is totally unacceptable, in any circumstances. Staff members are obliged to report all such incidents to their supervisor/manager, who will refer them for action under the university's student鈥檚 disciplinary procedures.

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