2.4GHz Inverted-F PCB Antenna (IFA) Footprint

Overview

This KiCad footprint provides a 2.4GHz Inverted-F antenna designed for 2-layer 1.6mm PCB (JLCPCB stackup). The antenna is tuned in the 2.4GHz ISM band.

Specifications

• Type: Inverted-F Antenna (IFA)
• Frequency: 2.4GHz ISM band
• PCB: 2-layer, 1.6mm thickness
• Impedance: 50Ω matched

Design

Footprint

Sketch

Tuning Parameters

Z-Parameters

• Center frequency: 2.4460 GHz
• Real impedance: 50.0875 Ω
• Imaginary impedance: 0.0621 Ω

S-Parameters

• Center frequency (2.4460 GHz): -59.3942 dB
• 2.4 GHz: -22.4248 dB
• 2.4875 GHz: -23.71 dB
• 2.2480 GHz: -9.7640 dB
• 2.6680 GHz: -10.0289 dB
• Bandwidth (S11 < -10dB): 0.4200 GHz

Smith Chart Parameters

• Frequency: 2.446 GHz
• Angle: 35.3197°
• Magnitude: 0.0011
• Normalized impedance: 1.0018 + 0.0012i