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Novel active FET circular patch antenna arrays for quasi-optical power combining

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2 Author(s)
Xiao-Dong Wu ; Dept. of Electr. Eng., Texas A&M Univ., College Station, TX, USA ; Kai Chang

This paper discusses two-dimensional planar arrays of weakly coupled active circular patch antennas suitable for quasi-optical power combiners. A novel radiating element that has low cross-polarization is described. A two-dimensional array analysis was developed to address radiation pattern and phase problems. Equivalent isotropic radiated power levels of 1.5 W for a two by two FET array and 3.8 W for a two by four FET array have been obtained at X-band

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Microwave Theory and Techniques, IEEE Transactions on  (Volume:42 ,  Issue: 5 )