Abstract
AbstractA frequency reconfigurable antenna using log‐periodic technique is reported. A 13 square patches fed by inset feed line technique are connected with a single transmission line by a log‐periodic array formation to form a wideband frequency from 3 to 6 GHz. By applying 13 PIN diodes at the transmission line with a quarter wavelength radial stub biasing, three different sub‐band frequencies (3–4, 3.7–5, and 4.8–6 GHz) are configured by switching ON and OFF the PIN diodes. The antenna has a directive radiation pattern and gain about 6–8 dB at all sub‐bands. Simulated and measured results with antenna design are presented and they show that a good agreement in term of return loss. © 2012 Wiley Periodicals, Inc. Microwave Opt Technol Lett 54:1407–1412, 2012; View this article online at wileyonlinelibrary.com. DOI 10.1002/mop.26826
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