Conical Log Spiral Antenna : 401102 | ETS-Lindgren

The 3102 Conical Log Spiral Antenna (ref. 401102) from ETS‑Lindgren is a broadband, circular-polarized, conical log-spiral antenna designed for high-precision EMC and wireless testing. Featuring spiral semi-rigid coaxial windings on a fiberglass cone, this antenna ensures excellent heat dissipation and rugged, reliable performance.

Benefits :

• Fully individual calibration with signed calibration certificate per SAE ARP 958.
• Low VSWR across 1–10 GHz, facilitating accurate and repeatable measurements.
• Compact and durable design enables use in tight chamber environments and field setups.
• Circular polarization improves immunity testing and over-the-air (OTA) communications applicability.

Key Features :

• Frequency range: 1 GHz–10 GHz
• Polarization: Circular
• Maximum continuous power: 50 W; peak up to 100 W
• VSWR: typically 1.6:1
• Connector: Type N (female)
• Mounting: Base with standard ¼‑20 tripod threading

Typical Applications :

• EMC radiated immunity testing
• Quick spectrum assessments near the DUT
• OTA wireless device communication measurements
• Small chamber or field site surveys requiring circular polarization

Further Information :

• Equipped with spiral coaxial cable windings to enhance thermal performance.
• Includes a fiberglass cone and Delrin support rod with aluminum base.
• Individually factory-calibrated at 1 m per SAE ARP 958 standards.
• Two-year warranty against manufacturer defects.