Design of Circular Stud Antenna and Parametric Analysis

S. KHAN, N. AHMAD, M. WAHID, M. NAEEM, B. BALOCH

Abstract


This paper presents the use of stud (Cup link), a part of daily wears as antenna. The studs are available in various shapes and designs. Circular stud is main consideration of this paper, to investigate  the  electromagnetic  behavior  of  circular  stud and its use as antenna. The analysis shows  that  bends  and  truncation  in  the  structure  of  circular  studs causes the acceleration and deceleration of charge carriers along its structure and set condition for electromagnetic radiation in free space. The circular stud antenna is analyzed to calculate different  antenna  parameters  e.g. resonant frequency, directivity, radiation efficiency and half power beam width. The effects on resonant frequency, directivity, radiation efficiency of dimensions, i.e. radius, width and thickness of conductor and substrate, is also analyzed. It has been observed that these parameters can be modified by changing the dimensions of circular stud antenna.

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