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Realisation of X-band circularly-polarised waveguide-fed microstrip array

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4 Author(s)
Wu, W.W. ; Dept. of Electron. Sci. & Eng., Nat. Univ. of Defence Technol., Changsha, China ; Hu, X.G. ; Huang, J.J. ; Yuan, N.C.

A novel design of a circularly-polarised microstrip patch array fed by a waveguide is developed. A special central microstrip patch-to-slotted waveguide topology helps a simple truncated patch array realising the circular polarisation. The simulated and measured return losses, gains, axial ratios, and radiation patterns are presented for this new 4×4 array at X-band with good results.

Published in:

Electronics Letters  (Volume:48 ,  Issue: 18 )