Miniaturized active stepped impedance planar inverted-F antenna using common ground - ScienceDirect
Distance an inverted F antenna should be from the bottom and side edges of a PCB? - Electrical Engineering Stack Exchange
Create inverted-F antenna over rectangular ground plane - MATLAB - MathWorks América Latina
6 Basic layout of the planar inverted-F antenna. | Download Scientific Diagram
Inverted-F Antenna Design For a PCB | RF Design
Planar Inverted 'F' Antenna (PIFA) 2.4 GHz | 3D CAD Model Library | GrabCAD
Meandered Inverted F Antenna Impedance question using CC2530 on a custom PCB - Other wireless technologies forum - Other wireless - TI E2E support forums