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Wideband microstrip-fed tapered slot antennas and phased array

✍ Scribed by Wen-Hua Tu; Sang-Gyu Kim; Kai Chang

Publisher: John Wiley and Sons
Year: 2007
Tongue: English
Weight: 297 KB
Volume: 17
Category: Article
ISSN: 1096-4290
DOI: 10.1002/mmce.20217

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✦ Synopsis

Two wideband tapered slot antennas are designed, fabricated, and tested. The first antenna, which is fabricated on a high dielectric constant substrate (e r 5 10.2), shows a measured return loss of better than 10 dB from 1.6 to 12.4 GHz (7.7:1 bandwidth), and an antenna gain varying from 3.6 to 7.8 dBi. The second antenna is built on a low dielectric constant substrate (e r 5 2.2), and demonstrates return loss of better than 10 dB from 1.8 to 15.2 GHz (8.4:1 bandwidth). The second antenna also has improved antenna gain, from 5 to 15.6 dBi, and is used to build a wideband 1 3 4 H-plane phased array with a total gain of 9-17 dBi and a beam steering angle of 6158 from 3 to 12 GHz. V

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