Reconfigurable Antennas by RF MEMS Technology

Date

2007-12-05

Author

Topallı, Kaan
Ünlü, Mehmet
İstanbulluoğlu, İpek
Atasoy, H. İ.
Bayraktar, Ömer
Aydın Çivi, Hatice Özlem
Demir, Şimşek
Koç, Seyit Sencer
Akın, Tayfun

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URI

https://hdl.handle.net/11511/84105

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Reconfigurable Antenna Structures Using MEMS Technology Erdil, Emre; Onat, S; Topallı, Kağan; İstanbulluoğlu, İpek; Ünlü, Mehmet; Demir, Şimşek; Aydın Çivi, Hatice Özlem; Alatan, Lale; Koç, Seyit Sencer; Akın, Tayfun (null; 2005-06-23)
Reconfigurable antenna structure for RFID system applications using varactor-loading technique Sevinç, Yusuf; Kaya, Adnan (2012-01-01) A novel method is presented for electrically tuning the frequency of a compact radio-frequency identification (RFID) tag antenna. A tuning circuit, comprising a radio frequency (RF) switch and discrete passive components, was completely integrated into the antenna element, which is thus free of DC wires. The low-profile printed antennas were fabricated together with the layouts of the DC control circuits and other RF/baseband circuit footprints. A surface-mounted varactor was applied as a frequency-tuning e...
Reconfigurable Nested Ring-Split Ring Transmitarray Unit Cell Employing the Element Rotation Method by Microfluidics Erdil, Emre; TOPALLI, KAĞAN; Esmaeilzad, Nasim S.; Zorlu, Ozge; Külah, Haluk; Aydın Çivi, Hatice Özlem (2015-03-01) A continuously tunable, circularly polarized X-band microfluidic transmitarray unit cell employing the element rotation method is designed and fabricated. The unit cell comprises a double layer nested ringsplit ring structure realized as microfluidic channels embedded in Polydimethylsiloxane (PDMS) using soft lithography techniques. Conductive regions of the rings are formed by injecting a liquid metal (an alloy of Ga, In, and Sn), whereas the split region is air. Movement of the liquid metal together with ...
Reconfigurable Microfluidic Transmitarray Unit Cells Erdil, E; Kaan, Topallı; Zorlu, Özge; Toral, T; Yıldırım, E; Külah, Haluk; Özlem, Civi Aydın (2013-07-03)
Reconfigurable reflectarray using RF MEMS technology Bayraktar, Ömer; Topallı, Kaan; Ünlü, Mehmet; İstanbulluoğlu, İpek; Temoçin, Engin Ufuk; Atasoy, Halil İbrahim; Aydın Çivi, Hatice Özlem; Demir, Şimşek; Koç, Seyit Sencer; Akın, Tayfun (2006-11-06) This paper presents the design of a reconfigurable microstrip slot-coupled patch reflectarray using RF MEMS switches. The reflectarray is designed on two back-to-back bonded glass substrates front side of which contains the microstrip patch antenna elements and the backside contains the phase shifting elements. The phase shifting elements consist of microstrip lines the lengths of which are adjusted with MEMS switches resulting with adjustable phase characteristics of each antenna element. A transmission li...

Citation Formats

K. Topallı et al., “Reconfigurable Antennas by RF MEMS Technology,” 2007, Accessed: 00, 2021. [Online]. Available: https://hdl.handle.net/11511/84105.