FREQUENCY SCANNING ANTENNA ARRAYS WITH METAMATERIAL BASED PHASED SHIFTERS

Nikola Bošković, Branka Jokanović, Vera Marković

DOI Number
10.2298/FUEE1903449B
First page
449
Last page
461

Abstract


This paper presents a simple design of linear series-fed frequency scanning antenna arrays with: (a) identical rectangular dipoles and (b) pentagonal dipoles having different impedances to provide enhanced side lobe suppression. Phase shifters are designed as a metamaterial unit cell consisting of split-ring resonators coupled with the parallel microstrip line. Shifter models variations are described and control of phase is demonstrated. Two antenna arrays are manufactured and measured

Keywords

scanning antenna array, linear array, series feeding, pentagonal dipole, phase shifter, split-ring resonator

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References


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