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ENEX 411Bachelor in Electronics, Communication and Information Engineering ยท Semester 71 Paper Available

RF and Microwave Engineering

Past examination question papers and complete curriculum syllabus for RF and Microwave Engineering (ENEX 411), Bachelor in Electronics, Communication and Information Engineering Semester 7 under Institute of Engineering (IOE), Tribhuvan University.

Sem 7 Subjects (6)View Full Semester Overview โ†’
ENEX 411RF and Microwave EngineeringENEX 412RoboticsENEX 413Digital Signal ProcessingENEX 435-444Elective IIIENEX 414Project IENEX 415Wireless Communication
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Past Question Papers (PDF)

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Note: This question paper file (8th sem) was archived from an IOE exam session for the common RF and Microwave Engineering curriculum.

8th-sem_RF and Microwave Engineering.pdf

IOE Past Examination Paper

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Most Frequently Asked Questions

Top recurring IOE board exam questions for RF and Microwave Engineering with verified mark schemes, formula notation, and recurrence frequency.

Showing 40 of 40 top repeated questions
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Year-wise & Session-wise Exam Papers

Complete questions from each exam session (Regular & Back exams from 2082 to 2069) for RF and Microwave Engineering. Click any session paper to expand.

Showing 55 questions across 7 exam session papers
Institute of Engineering โ€ข 2082 Bhadra Board Examination
Q1[4 Marks]Microwave Passive Components and Scattering Matrix
Compare the behavior of microwave passive components at low frequency bands against microwave bands. Prepare the detail real-world protocols of any three major applications of microwave communication systems.
Q2[10 Marks]Microwave Passive Components and Scattering Matrix
A broadband microstrip antenna with a load exhibiting reflection coefficient of is connected to a transmission patch having impedance of . Design the appropriate matching stubs. Express the appropriate scattering matrix of your designed matched networks.
Q3[4 Marks]Microwave Passive Components and Scattering Matrix
Design a model of a three-port network and define its characteristic parameters. Prepare the S-Matrix of a rectangular magic tee having shorted both E and H-arms and explain how it behaves.
Q4[3 Marks]Waveguides and Cavity Resonators
Prove that the lowest cut-off frequency mode in rectangular waveguides operating in TM mode is . Explain the working principle of any one of circular beam-type microwave cavity-controlled cross-field amplifier.
Q5[12 Marks]Microwave Passive Components and Scattering Matrix
Find the basic differences of the systems having following sets S-Matrix. [4] a) b) Using the given S-Parameters given in (a), determine the stability and compare maximum power gains for unilateral and bilateral modes using supplied formulas.

Curriculum Syllabus & Course Topics

Sourced from TU curriculum portal
Full Syllabus (PDF)
Chapter-wise Units & Micro-Syllabus Topics (6 Units)

  1. 1. Introduction to Microwave Engineering and Transmission Lines

    6

  2. 2. Waveguides and Cavity Resonators

    8

  3. 3. Microwave Passive Components and Scattering Matrix

    8

  4. 4. Microwave Semiconductor Devices

    6

  5. 5. Microwave Tubes (Klystron, TWT, Magnetron)

    8

  6. 6. Microwave Measurements and Applications

    9

Examination Scheme & Marks Distribution

Evaluation Structure

  • Final Board Theory Exam: 60 Marks (Pass mark: 24)
  • Internal Assessment: 40 Marks (Pass mark: 16)
  • Practical / Lab Exam: 25 or 50 Marks (Continuous lab evaluation + viva, where applicable)

* This is the general current IOE 60/40 scheme; verify course-specific details in the syllabus above.

Exam Preparation Guidelines

  • Review the available past examination paper to understand question styling, typical derivation topics, and marks allocation.
  • Cross-reference key answers with official syllabus units, standard textbooks, and lecture notes.
  • Structure answers with labeled diagrams, concise bullet points, and highlight final answers in numerical solutions.
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Curriculum Syllabus & Marking Scheme