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Transient analysis of reconfigurable polarization antenna

Published online by Cambridge University Press:  18 February 2013

Manoj S. Parihar ,
Ananjan Basu  and
Shiban K. Koul
Manoj S. Parihar*
Affiliation:
Centre for Applied Research in Electronics (CARE), Indian Institute of Technology Delhi, Hauz Khas, New Delhi, India- 110016.
Ananjan Basu
Affiliation:
Centre for Applied Research in Electronics (CARE), Indian Institute of Technology Delhi, Hauz Khas, New Delhi, India- 110016.
Shiban K. Koul
Affiliation:
Centre for Applied Research in Electronics (CARE), Indian Institute of Technology Delhi, Hauz Khas, New Delhi, India- 110016.
*
Corresponding author: Manoj S. Parihar Email: [email protected]
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Abstract

Time-domain characterization of a microstrip patch antenna with circular corner truncation to achieve polarization reconfigurability is presented. By applying zero bias, forward bias, and reverse bias to the four PIN diodes, the antenna can radiate with linear polarization (LP), right hand circular polarization (RHCP), and left hand circular polarization (LHCP). The circular cuts reduce centre-frequency shift from linear to circularly polarized states, compared with conventional straight cuts. Time-domain simulation and measurement are carried out to show the switching characteristics of the proposed antenna, and it is established that satisfactory switching speed can be obtained using a simple low-cost driver circuit.

Keywords

Antennas and propagation for wireless systemsCircular polarizationDiodesMicrostrip antennasReconfigurable antennasTransient analysis
Type
Research Papers
Information
International Journal of Microwave and Wireless Technologies , Volume 5 , Issue 4 , August 2013 , pp. 521 - 527
Copyright
Copyright © Cambridge University Press and the European Microwave Association 2013 

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