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Design equation:

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

Parany monopole antenna is a patent pending configuration from (FRACTUS) by C. Puente

A picture of us at AP2000 conference.

 

Simulated E-Field strength

 

Simulation of a 3 ring antenna. The antenna height is published in Electronics letters

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Simulated and experimental input return loss

 

Simulation of a 3 ring antenna. The antenna height is published in AP2000 conference

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Comparision of different antennas

 

The set of antennas for comparison

(a) Multiple ring monpole; (b) Circular disc monopole; (c) Sierpinski gasket monopole; (d) Parany monopole

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