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A Discussion on the Performance of Impedance Matched Antenna System and Considerations for a Better Performance by Adnan Kaya; E. Yesim Yüksel is a Engineering article available to read on EtoBox.

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## Abstract Impedance matching networks are used extensively in radio communications. In this study, π‐matching circuit has been used as a matching network. The return loss level of several impedance matched microstrip antennas are compared as a function of matching techniques. The π‐matching device is used to construct the antenna tuning units, which is only used to match the front module and the antenna. This circuit impedance region has been investigated analytically under the variable load condition. When the mismatch is occurred, the result is an increase in the energy consumption or transmission quality deterioration. In addition, the input module in antenna system could be damaged if reflection of the signal levels is excessively high. This is interesting application because antennas cannot be considered alone as component with changing electromagnetic properties. The rectangular microstrip antenna was designed at 2.5 GHz frequency by using microstrip feed line. Better return loss level which is −16.86 dB has been obtained for this antenna using π‐matching circuit. It is shown that theoretical, simulation, and laboratory results are good agreement. © 2007 Wiley Periodicals,

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Author

Adnan Kaya; E. Yesim Yüksel

Publisher

John Wiley and Sons; Wiley (John Wiley & Sons); John Wiley & Sons Inc.; Wiley (ISSN 0895-2477)

Published

2007

Language

EN

Field

Engineering (Physical Sciences)