Design and realization of a novel planar array antenna and low power LNA for Ku-band small satellite communications

Kouhalvandi, Lida; Ceylan, Osman; Paker, Selçuk; Yagci, H. Bulent

doi:10.3906/elk-1509-148

Cited by 6 publications

(5 citation statements)

References 8 publications

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“…In [65,[125][126][127][128], antenna designs and shapes are characterized by iterating antenna shapes. For illustrating this optimization, the applied method in [129] is depicted detaily in Fig. 12.…”

Section: Shape Optimizationmentioning

confidence: 99%

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Optimization techniques for analog and RF circuit designs: an overview

Kouhalvandi

Ceylan²,

Özoğuz

2020

Analog Integr Circ Sig Process

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Optimizations have gained much consideration from the researchers working in the domains of analog and radio frequency (RF), recently. Dealing with highly nonlinear behavior of active components and aiming to meet design specifications are common issues in all nonlinear circuit designs. As a consequence and accordingly, many studies have been conducted on diverse optimization methods and algorithms for tackling the design problems and meeting optimal solutions with high accuracy. The main purpose of this article is to provide a comprehensive and systematic literature review for the optimization approaches applied by the researchers for designing various analog and microwave circuits. We focus on considering the existing optimization methods from the newly published optimization methods in the last decade. Thus, this study can guide and enlighten complementary metal-oxide-semiconductor analog and RF microwave circuit designers to consider optimization methods commonly used in both areas and to expand conventional performance figures used in their area.

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Section: Shape Optimizationmentioning

confidence: 99%

“…Fig. 12 Antenna shape iteration presented in [129] by researchers and are applied to sophisticated systemlevel designs to handle the process. The main driving forces continue to high accuracy output results that are targeted to design goals with time-to-market optimization techniques.…”

Section: First Iteration Second Iteration Third Iterationmentioning

confidence: 99%

Optimization techniques for analog and RF circuit designs: an overview

Kouhalvandi

Ceylan²,

Özoğuz

2020

Analog Integr Circ Sig Process

Self Cite

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“…Modern yaşam ile birlikte özel firmaların, bireylerin ve askeri birliklerin gerek şehir yaşamında gerekse de yerleşim yerlerinden uzak noktalarda kesintisiz iletişim kurma ihtiyaçları ortaya çıkmaktadır [1][2]. Son yıllardaki teknolojik gelişmeler uydu haberleşme sistemlerine olan ihtiyacı her geçen gün artırmaktadır [3][4][5]. Haberleşme teknolojileri ile ilgili gelişmeler gün geçtikçe artmaktadır [6][7][8].Gerek sivil gerekse de askeri kullanıcılara haberleşme hizmeti sağlayabilmek amacıyla çeşitli kurum ve kuruluşlar internet, telefon, faks, veri aktarımı vb.…”

Section: Gi̇ri̇ş (Introduction)unclassified

Uydu Haberleşme Sistemleri için 8025-8400 MHz Düşük Gürültülü Kuvvetlendirici Tasarımı

DÖKMETAŞ,

AKÇAM

2024

Journal of Polytechnic

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Gelişen uydu haberleşme sistemleri ile birlikte düşük gürültülü kuvvetlendirici (Low Noise Amplifier-LNA) ve alt sistemlerine gösterilen ilgi her geçen gün artmaktadır. Düşük gürültülü kuvvetlendirici alt sistemleri uydu haberleşmesinde düşük güçlü sinyalleri kuvvetlendirerek gürültü seviyesini en düşük seviyede tutmakta önemli bir rol oynamaktadır. Bu çalışma kapsamında, uydu haberleşme uygulamalarında kullanılabilecek 8025-8400 MHz frekans bandına sahip iki katlı düşük gürültülü kuvvetlendirici tasarımı gerçekleştirilmiştir. Tasarımda RT5880 alttaşı üzerine mikroşerit teknolojisi ve CE3512K2 transistörü kullanılmıştır. Tasarımda uyumlama devreleri mikroşerit hatlar ve paketli radyo frekansı (Radio Frequency-RF) malzemeleri ile gerçeklenmiştir. Geliştirilen LNA devresinin S-parametresi ölçüm sonuçlarına göre, giriş ve çıkış geri yansıma katsayıları sırasıyla -14 dB ve -15 dB’den daha iyi olduğu görülmüştür. Ölçülen kazanç değeri ise 21.9 dB’den iyi olarak elde edilmiştir. Ek olarak, 2 katlı LNA devresinin 40 mW güç tükettiği durumda gürültü figürü değerinin çalışma bandı içerisinde 1.1 dB’den düşük olduğu ve 1-dB bastırma noktasındaki çıkış gücünün ise +14.6 dBm olduğu görülmüştür.

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“…Also, microstrip patch antennas can be used with a low noise amplifier. In this way, the effect of noise in satellite systems and UAVs is minimized (Kouhalvandi et al, 2017;.…”

Section: Introductionmentioning

confidence: 99%

Microstrip Patch Antenna Design at 10 GHz for X Band Applications

Karahan,

Inal,

Dilmen

et al. 2024

ejtas

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Microstrip patch antennas are used in satellite imaging systems, wireless communication equipment, military radios, GPS (Global Positioning System) and GSM (Global System for Mobile Communications) applications. Its advantages are its small size and light weight, thin structure, low power consumption, use in dual frequency applications, and patching in various geometric shapes. Developing technology has facilitated and accelerated the production of microstrip antennas. In this study, microstrip antenna design operating at 10 GHz frequency for X band applications has been made. X band is used for air traffic control, weather traffic control, vessel traffic control, defense tracking and vehicle speed detection, terrestrial communications and networking, space communications and amateur radio. HFSS program was used in antenna design. AWR program was used to find transmission line parameters. In addition, MATLAB program was used to calculate some parameters. First of all, information is given about the working principle of the antenna, the selected dielectric layer and the working frequency. Schematic drawings of the designed antenna were made from above and from the side. S11 reflection coefficient magnitude graphs are drawn below and above the operating frequency. The radiation pattern is drawn for the E-plane and H-plane at the operating frequency. 3-D (dimensional) plot of antenna gain at operating frequency is drawn. The simulations performed have shown that the designed antenna works successfully.

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Design and realization of a novel planar array antenna and low power LNA for Ku-band small satellite communications

Cited by 6 publications

References 8 publications

Optimization techniques for analog and RF circuit designs: an overview

Optimization techniques for analog and RF circuit designs: an overview

Uydu Haberleşme Sistemleri için 8025-8400 MHz Düşük Gürültülü Kuvvetlendirici Tasarımı

Microstrip Patch Antenna Design at 10 GHz for X Band Applications

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