Abstract
In this paper, the design of a low profile circularly tapered antipodal Vivaldi antenna for array-based UWB nearfield imaging is presented. The proposed circular termination at the end of radiating flare and optimization of the feeding transition result in extension of the operational bandwidth and improvement of antenna impulse response. The antenna design with dimensions of 45×48.5 mm achieves satisfactory impedance matching and radiation across the frequency band from 2.7 to 35 GHz with more than 170% fractional bandwidth. Both SMA and 2.4 mm connectors are tested with the manufactured antenna in order to confirm its UWB performances.
| Original language | English |
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| Title of host publication | EuCAP 2010 - The 4th European Conference on Antennas and Propagation |
| State | Published - 2010 |
| Externally published | Yes |
| Event | 4th European Conference on Antennas and Propagation, EuCAP 2010 - Barcelona, Spain Duration: 12 Apr 2010 → 16 Apr 2010 |
Publication series
| Name | EuCAP 2010 - The 4th European Conference on Antennas and Propagation |
|---|
Conference
| Conference | 4th European Conference on Antennas and Propagation, EuCAP 2010 |
|---|---|
| Country/Territory | Spain |
| City | Barcelona |
| Period | 12/04/10 → 16/04/10 |
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