Farklı pin konfigürasyonlarina sahip mantar benzeri elektromanyetik bant aralığı yapıları ile geliştirilmiş yeni bir mikroşerit yama anten tasarımı

Yıl 2024, Cilt: 30 Sayı: 7, 884 - 890, 28.12.2024

Nigar Berna Teşneli , Cemile Tangel Ahmet Yahya Teşneli

Öz

Bu çalışmada, bir mikroşerit yama anten ve farklı pin konumlarına
sahip mantar benzeri EBG yapıların uygun kombinasyonlarıyla
tasarımlar sunulmuştur. Referans antenin performansı kaldırılan
ve/veya merkezden kaydırılan pin konfigürasyonarına sahip
tasarımlarla geliştirilmiştir. Özelikle antenin yayın yapan yamasına en
yakın olan EBG yapıların birinci sırasından kaldırılan ve/veya
kaydırılan pinlerin anten performansı üzerindeki etkisinin daha
belirgin olduğu farklı tasarımlarla gözlenmiştir. Önerilen tasarımlarla,
referans antene göre %32’ye kadar bant genişliği iyileştirmesi ve
2.9 dBi’ye kadar kazanç arttırımı sağlanmıştır. Referans antenin
16.9 dB olan ön/arka (F/B) oranı sunulan tasarımlarla 26 ile 29 dB
arasındaki değerlere iyileştirilmiştir. Ayrıca, sunulan antenlerin tek
katmanlı basit tasarımları üretimlerini kolaylaştırırken, 0.05 ile iyi bir
ince profil değeri (h/𝜆0, 𝜆0 merkez frekanstaki boş uzay dalga boyudur)
de sağlar.

Anahtar Kelimeler

Mikroşerit yama anten, Elektromanyetik bant araliği yapılar, Pin konumları, Bant genişliği, Kazanç

A novel microstrip patch antenna design enhanced by mushroom like electromagnetic band gap structures with different via configurations

Öz

In this study, the designs with suitable combinations of a microstrip
patch antenna and mushroom like EBG structures having different via
locations are presented. The performance of the reference antenna is
improved with the designs having removed and/or offset via
configuration. It has been experienced with different designs that the
vias removed and/or shifted from the first row of EBG structures, which
are closest to the radiating patch of the antenna, have a significant
effect on antenna performance. With the proposed designs, up to 32%
bandwidth enhancement and up to 2.9 dBi gain increment are achieved
according to the reference antenna. Moreover, the front to back ratio
(F/B) of the reference antenna is enhanced to values between 26 and
29 dB from the 16.9 dB by the presented designs. In addition, while the
simple single layer designs of the presented antennas facilitate their
manufacturing, they also achieve a good thin profile merit (h/𝜆0 , 𝜆0 is
the free-space wavelength at the centre frequency) with a value of 0.05.

Anahtar Kelimeler

Microstrip patch antenna, Electromagnetic band gap structures, Via locations, Bandwidth, Gain

Kaynakça

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