Sazegar, M. ; Giere, A. ; Zheng, Y. ; Maune, H. ; Moessinger, A. ; Jakoby, Rolf (2009)
Reconfigurable Unit Cell for Reflectarray Antenna Based on Barium-Strontium-Titanate Thick-Film Ceramic.
Conference or Workshop Item, Bibliographie
Abstract
Reconfigurable unit cells based on the ferroelectric thick-film ceramic of Barium-Strontium-Titanate (BST) are presented in this paper which enable the realization of lowprofile, cost-effective and fast steerable reflectarray antennas in X-band. A microstrip patch antenna partitioned into two halves is patterned on top of a screen printed BST thick-film. By applying a variable DC bias voltage between the halves, the resonance frequency of the capacitively loaded patch is shifted, and in the same time, a phase shift of the reflected wave is achieved. The method of using a waveguide simulator as the periodic boundaries in both simulation and measurement is also addressed.
| Item Type: | Conference or Workshop Item |
|---|---|
| Erschienen: | 2009 |
| Creators: | Sazegar, M. ; Giere, A. ; Zheng, Y. ; Maune, H. ; Moessinger, A. ; Jakoby, Rolf |
| Type of entry: | Bibliographie |
| Title: | Reconfigurable Unit Cell for Reflectarray Antenna Based on Barium-Strontium-Titanate Thick-Film Ceramic |
| Language: | English |
| Date: | 2009 |
| Abstract: | Reconfigurable unit cells based on the ferroelectric thick-film ceramic of Barium-Strontium-Titanate (BST) are presented in this paper which enable the realization of lowprofile, cost-effective and fast steerable reflectarray antennas in X-band. A microstrip patch antenna partitioned into two halves is patterned on top of a screen printed BST thick-film. By applying a variable DC bias voltage between the halves, the resonance frequency of the capacitively loaded patch is shifted, and in the same time, a phase shift of the reflected wave is achieved. The method of using a waveguide simulator as the periodic boundaries in both simulation and measurement is also addressed. |
| Divisions: | 18 Department of Electrical Engineering and Information Technology > Institute for Microwave Engineering and Photonics (IMP) > Microwave Engineering 18 Department of Electrical Engineering and Information Technology > Institute for Microwave Engineering and Photonics (IMP) 18 Department of Electrical Engineering and Information Technology |
| Date Deposited: | 27 Jan 2012 15:20 |
| Last Modified: | 24 Oct 2017 12:50 |
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