What Is a Spiral Antenna?
A spiral antenna features a spiral-shaped conductor that efficiently radiates and receives electromagnetic waves. This unique structure facilitates the generation and propagation of electromagnetic waves in a spiral pattern, enhancing the antenna’s performance.
Spiral antennas are utilized across a broad spectrum of applications, including mobile phones, wireless LAN, radar, and medical devices, due to their versatile design and effective wave handling capabilities.
Based on their construction, spiral antennas are categorized into single-turn and multi-turn types. Single-turn antennas, with their single coil design, are compact and lightweight, ideal for mobile phones and wireless LAN applications. Conversely, multi-turn antennas, consisting of multiple coils, provide broader coverage, making them suitable for radar systems and MRI machines. Their efficiency in managing electromagnetic waves, combined with their ease of installation in confined spaces, marks a significant advantage of this antenna type.