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Design equation: |
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This is a novel multi-band
multiple circular ring monopole antenna. The outer loops have a size ratio
of 2 while the feed monopole is a disc, resulting in a quasi-log periodic
performance. This discretisation enables control of the radiation pattern,
which gives better results than the circular disc monopole at higher operating
frequencies. The antenna is an alternative to the fractal Sierpinski gasket
or Parany monopole antenna
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Parany monopole antenna is a patent pending configuration from (FRACTUS) by C. Puente |
Simulation of a 3 ring antenna. The antenna height is published in Electronics letters |
Simulated and experimental input return loss
Simulation of a 3 ring antenna. The antenna height is published in AP2000 conference |
Comparision of different antennas
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The set of antennas for comparison (a) Multiple ring monpole; (b) Circular disc monopole; (c) Sierpinski gasket monopole; (d) Parany monopole |