RF Principles, Antenna Design & Feedline Dynamics

📡 Course Overview: RF Principles, Antenna Design & Feedline Dynamics

From dipole wire physics to directional multi-element Yagis, ground-plane verticals, coaxial feedlines, baluns, and matching networks, this course delivers the definitive practical engineering foundation for mastering RF radiation.

Course Enrollment Fee: $5.00 USD (Special Affordable Pricing)
Curriculum Workload: 5 Comprehensive Academic Modules | 14 Practical English Lessons | 5 Modular Quizzes (50 Questions Each, 30 Minutes Exam Time)
Final Evaluation: 1 Final Comprehensive Mock Examination (100 Questions, 60 Minutes Exam Time)
Total Question Bank: Exactly 350 Verified Questions in this Course (6 Quizzes total)
Interactive Tools Included: S21AMF Antenna Wire Length Calculator & SWR Dynamics Estimator directly integrated into the platform
Student Support Desk: Integrated 24/7 Ticketing Helpdesk & AI Study Assistant for instant antenna design guidance
Lead Instructor: Dr. Sheikh Md. Mahtabur Rahman (Callsign: S21AMF), Rangpur, Bangladesh

Core Competencies You Will Develop

✓ Wire Antennas & Polarization

Half-wave dipoles, Inverted-Vees, full-wave loops, traps, and end-fed half-wave (EFHW) antennas.

✓ Verticals & Low-Angle DX Radiation

Quarter-wave monopoles, 35-ohm feedpoint dynamics, elevated vs. buried radial ground return systems.

✓ Directional Beams & Yagi-Uda Arrays

Driven elements, reflectors, directors, forward gain (dBi vs dBd), Front-to-Back ratio, and gamma matches.

✓ Feedlines, SWR & Smith Chart Analysis

Coaxial cable attenuation, velocity factors, 1:1 and 4:1 baluns, antenna tuners, and Vector Network Analyzers (VNA).

Curriculum & Examination Syllabus

Module 1: Electromagnetic Radiation & Wire Antenna Physics 3 Lessons + 50-Question Quiz

Lesson 1.1: Electromagnetic Fields & Antenna Polarization

Lesson 1.2: Half-Wave Resonant Dipole Engineering & Radiation Patterns

Lesson 1.3: Inverted-Vees, Multi-Band Traps & Full-Wave Horizontal Loops

📝 Module 1 Assessment: 50 Questions (Exam Duration: 30 Minutes)

Module 2: Vertical Antennas & Ground Radial Systems 3 Lessons + 50-Question Quiz

Lesson 2.1: The Quarter-Wave Monopole & Low-Angle DX Radiation

Lesson 2.2: Ground Return Systems: Elevated Radials vs. Buried Screen

Lesson 2.3: End-Fed Half-Wave (EFHW) & VHF J-Pole Antennas

📝 Module 2 Assessment: 50 Questions (Exam Duration: 30 Minutes)

Module 3: Directional Beam Antennas & The Yagi-Uda Array 3 Lessons + 50-Question Quiz

Lesson 3.1: The Physics of Parasitic Elements (Driven, Reflector, Director)

Lesson 3.2: Forward Gain (dBi/dBd) & Front-to-Back (F/B) Ratio

Lesson 3.3: Feeding & Matching Directional Beams (Gamma Match & Hairpin)

📝 Module 3 Assessment: 50 Questions (Exam Duration: 30 Minutes)

Module 4: Transmission Lines, SWR Physics & Balun Matching 3 Lessons + 50-Question Quiz

Lesson 4.1: Coaxial Cable Loss, Velocity Factors & Connectors

Lesson 4.2: Demystifying SWR: Forward vs. Reflected Power Dynamics

Lesson 4.3: Balun Architectures (1:1 Current Choke vs. 4:1 Voltage Baluns)

📝 Module 4 Assessment: 50 Questions (Exam Duration: 30 Minutes)

Module 5: Advanced Antenna Modeling & Smith Chart Mastery 2 Lessons + 50-Question Capstone Quiz

Lesson 6.1: Take-Off Angle Physics, Ground Reflection & dBi vs dBd Standards

Lesson 6.2: Transmission Line Impedance Matching & Smith Chart Graphical Analysis

📝 Module 5 Capstone Assessment: 50 Questions (Exam Duration: 30 Minutes)

Final Module: Course Certification Examination Final Mock Exam

Comprehensive Evaluation: 100 Randomly Selected Questions covering all antenna and transmission modules.

🎓 Final Examination: 100 Questions (Duration: 60 Minutes, 80% passing grade to receive certificate)