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A low-cost 8 to 26.5 GHz phased array antenna using a piezoelectric transducer controlled phase shifter

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

A new phased array antenna of wide bandwidth and good beam scanning angle has been developed using a low cost multiline phase shifter controlled by a piezoelectric transducer (PET) and a stripline fed Vivaldi antenna array. The multiline progressive PET phase shifter has a low perturbation loss of less than 2 dB and a total loss of less than 4 dB up to 40 GHz with a maximum phase shift of 480°. The proposed phased array antenna consists of four E- or H-plane Vivaldi antennas, a PET phase shifter, and a power divider. The phased array shows a wide beam scanning capability of ±27° over a wide bandwidth from 8 to 26.5 GHz covering X, Ku, and K bands

Published in:

Antennas and Propagation, IEEE Transactions on  (Volume:49 ,  Issue: 9 )