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Meander-slot and U-slot antenna arrays for wide-band spatial power combiners

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5 Author(s)
Yakovlev, A.B. ; Dept. of Electr. Eng., Univ. of Mississippi, MS, USA ; Lukic, M.V. ; Elsherbeni, A.Z. ; Smith, C.E.
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In this work, we present a multilayered waveguide transition containing several interacting printed antenna arrays for spatial power combining applications. Narrow-band resonant rectangular slot antennas used in earlier designs are replaced by meander-slot antennas and their modifications, in order to increase the frequency bandwidth and efficiency of the system. Numerical results for finite arrays of meander-slot and U-slot antennas show significant advantages in scattering characteristics in comparison to traditionally used rectangular slot antenna arrays.

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Microwave and Wireless Components Letters, IEEE  (Volume:13 ,  Issue: 3 )