ECET 2026 ECE ECET 2026 ECE LearnNewThings September 13, 2025 0 Comments Day 5 ECET 2026 ECE – Antennas Introduction, Formulas & Basics Concept Notes 1. What is an Antenna? 2. Basic Principle 3. Important Parameters of Antennas Gain (G): where = efficiency, = directivity. Directivity (D): Efficiency (η): Effective Aperture (Ae):...