Frequency-Reconfigurable Archimedean Spiral Antenna

Frequency-Reconfigurable Archimedean Spiral Antenna

In this letter, a frequency-reconfigurable Archimedean spiral antenna is presented. The proposed antenna consists of a two-arm spiral fed by a coplanar waveguide (CPW) feeding line. A pair of meandered slotlines is implemented at both sides of the CPW-fed slot on the spiral antenna to introduce freq...

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Veröffentlicht in:IEEE antennas and wireless propagation letters 2013, Vol.12, p.1504-1507
Hauptverfasser: Dahalan, F. D., Rahim, S. K. A., Hamid, M. R., Rahman, M. A., Nor, M. Z. M., Rani, M. S. A., Hall, P. S.
Format: Artikel
Sprache:eng
Schlagworte:
Antenna measurements
Broadband antennas
Narrowband
p-i-n diode
reconfigurable antenna
Slot antennas
spiral antenna
Spirals
Wideband
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Beschreibung
Zusammenfassung:In this letter, a frequency-reconfigurable Archimedean spiral antenna is presented. The proposed antenna consists of a two-arm spiral fed by a coplanar waveguide (CPW) feeding line. A pair of meandered slotlines is implemented at both sides of the CPW-fed slot on the spiral antenna to introduce frequency reconfiguration. This antenna is able to configure operating frequencies from wideband mode (2-8-GHz band) to narrowband mode, which is at 5.8 GHz WLAN band, by switching the p-i-n diode integrated within the radiating antenna surface. Two p-i-n diode switches are located in the meandered slot to achieve frequency reconfigurability. Simulated and measured data are presented to verify the proposed antenna design.
ISSN:1536-1225
1548-5757
DOI:10.1109/LAWP.2013.2289957