Broadband Circularly Polarized Crossed Dipole With Parasitic Loop Resonators and Its Arrays
- 1 November 2010
- journal article
- Published by Institute of Electrical and Electronics Engineers (IEEE) in IEEE Transactions on Antennas and Propagation
- Vol. 59 (1), 80-88
- https://doi.org/10.1109/tap.2010.2090463
Abstract
A novel printed crossed dipole with broad axial ratio (AR) bandwidth is proposed. The proposed dipole consists of two dipoles crossed through a 90°phase delay line, which produces one minimum AR point due to the sequentially rotated configuration and four parasitic loops, which generate one additional minimum AR point. By combining these two minimum AR points, the proposed dipole achieves a broadband circularly polarized (CP) performance. The proposed antenna has not only a broad 3 dB AR bandwidth of 28.6% (0.75 GHz, 2.25-3.0 GHz) with respect to the CP center frequency 2.625 GHz, but also a broad impedance bandwidth for a voltage standing wave ratio (VSWR) ≤2 of 38.2% (0.93 GHz, 1.97-2.9 GHz) centered at 2.435 GHz and a peak CP gain of 8.34 dBic. Its arrays of 1 × 2 and 2 × 2 arrangement yield 3 dB AR bandwidths of 50.7% (1.36 GHz, 2-3.36 GHz) with respect to the CP center frequency, 2.68 GHz, and 56.4% (1.53 GHz, 1.95-3.48 GHz) at the CP center frequency, 2.715 GHz, respectively. This paper deals with the designs and experimental results of the proposed crossed dipole with parasitic loop resonators and its arrays.Keywords
This publication has 41 references indexed in Scilit:
- Low-Cost Broadband Circularly Polarized Printed Antennas and ArrayIEEE Antennas and Propagation Magazine, 2007
- Design of Circularly Polarized Annular-Ring Slot Antennas Fed by a Double-Bent MicrostriplineIEEE Transactions on Antennas and Propagation, 2007
- New feed system for wideband circularly polarised stacked microstrip antennasIET Microwaves, Antennas & Propagation, 2007
- Broadband circularly polarised high efficiency active antennaElectronics Letters, 2006
- A novel traveling-wave feed technique for circularly polarized planar antennasIEEE Microwave and Wireless Components Letters, 2005
- Performance of 4×4 sequentially rotated patch antenna array using series feedElectronics Letters, 2003
- Application of simulated annealing to design of serial feed sequentially rotated 2 × 2 antenna arrayElectronics Letters, 2000
- Circularly polarised wire antenna with a dual rhombic loopIEE Proceedings - Microwaves, Antennas and Propagation, 1998
- Circularly polarised travelling-wave printed line antennasElectronics Letters, 1989
- A New Type of Circular Polarizer Using Crossed DipolesIEEE Transactions on Microwave Theory and Techniques, 1961