How to Design an Antenna That Actually Works | All Steps Explained

Why It Matters

Understanding matching, efficiency and real-world integration is crucial for reliable wireless performance, battery life and regulatory safety; designers who test antennas in their actual enclosures and environments avoid costly failures and poor range. Effective prototyping and measurement workflows shorten development time and improve product connectivity outcomes.

Summary

The video walks through practical antenna design from theory to measurement, presented by Quarterwave co-founder Nicola. It explains key RF concepts—S11 reflection coefficient, 50-ohm matching, Smith chart matching techniques, radiation efficiency and directivity—and demonstrates rapid prototyping, simulation, and real-world integration tests. Nicola emphasizes the importance of matching and efficiency for power delivery, range, and battery life, and shows how enclosure and environment affect antenna performance. The session also compares measurement tools from inexpensive DIY methods to professional equipment and highlights iterative tuning in the product’s intended environment.

Original Description

Steps taken when designing an antenna. Many thanks to Nikola Dobric.

Links:

- Nikola's LinkedIn: https://www.linkedin.com/in/nikola-dobric-bb8324131/

- Nikola's company: https://www.quarterwave.net/

- FEDEVEL courses: https://fedevel.com/courses

Chapters:

00:00 What is this video about

00:35 About Nikola

01:39 Antenna Basics

11:33 Antenna Simulation

31:06 Building an Antenna

33:41 Measuring Antenna

36:16 Calibrating and measuring S-parameters

45:23 Measuring fields around antenna using ESP32

54:51 About Nikola's company

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(C) FEDEVEL by Robert Feranec

https://fedevel.com