Planar Printed Meandered Inverted-F
Image of the Planar Printed Meandered Inverted-F.

The Meandered IFA is similar to the printed IFA except that a meandered element is used to reduce its size. A substantial size reduction compared to the printed IFA can be seen for a design at the same frequency and with the same substrate parameters.

Reflection coefficient and 3D radiation pattern of the printed meandered inverted-F antenna.