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Design of a new impedance tuning network by using RC mutator

✍ Scribed by Adnan Kaya; E. Yesim Yuksel


Publisher
John Wiley and Sons
Year
2006
Tongue
English
Weight
334 KB
Volume
49
Category
Article
ISSN
0895-2477

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✦ Synopsis


Abstract

The design of broadband active‐compensated antenna system is an important problem in commercial satellite, military, and high‐speed communication systems. And so, impedance matching networks are used extensively in radio transmission and receiving systems. In this paper, broadband impedance matching is proposed as a method to improve the matching level of microstrip antennas. The theoretical design, fabrication, and experimental implementation of compensated rectangular microstrip antenna with new configuration π‐matching network were presented. A new compensation network consisting of RC mutator circuit and discrete capacitors are employed at the input of the microstrip antenna operating at 2.5 GHz. The performance parameters of the designed microstrip antenna with and without compensation network were compared. The results show that compensation network can improve the return loss level from −5.9 to −13.01 dB and the resonant frequency can be controlled in a wide RF band. © 2006 Wiley Periodicals, Inc. Microwave Opt Technol Lett 49: 298–302, 2007; Published online in Wiley InterScience (www.interscience.wiley.com). DOI 10.1002/mop.22118


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