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The paper describes a novel inverted-L antenna which comprises a short planar monopole loaded with two linear elements. This small antenna is shown to have impedance bandwidth up to 100 % for 6 dB return loss. Antenna parameters such as impedance bandwidth, gain and pattern stability are examined and the measured data are in good agreement with a MoM/UTD analysis.
Ammann, M., Evans, J., Wu, Z.: A novel hybrid inverted-L antenna with wide bandwidth. ICAP 2003: Twelfth International Conference on Antennas and Propagation, Vol.2, pp.720-722. 31 March - 3 April, 2003.