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A Compact Single-Layer Dual-Band Microstrip Antenna for Satellite Applications

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3 Author(s)
Esfahlani, S.H.S. ; Dept. of Electr. Eng., Amirkabir Univ. of Technol., Tehran, Iran ; Tavakoli, A. ; Dehkhoda, P.

In this letter, a compact single-layer, single-feed, dual-frequency microstrip antenna with a high frequency ratio is proposed. This antenna has a broadside and symmetrical radiation patterns suitable for space-borne applications. The prototype was fabricated on a Rogers RT/duroid 5880 substrate with a relative permittivity of 2.2 and thickness of 1.58 mm. The dual-band behavior is achieved by a shorting pin at 1.7-1.706 and 8.011-8.277 GHz with the frequency ratio of 4.75. In addition, the antenna is miniaturized by 46% compared to the conventional rectangular patch.

Published in:

Antennas and Wireless Propagation Letters, IEEE  (Volume:10 )