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Millimeter-wave stepped series array with LTCC
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A4 Artikkeli konferenssijulkaisussa
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en
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4
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EuRAD 2019 - 2019 16th European Radar Conference, pp. 321-324
Abstract
The series fed antenna arrays are widely used to minimize the feeding losses. A novel method to control the coupling/admittance between the series array elements is studied. In this work, two substrate integrated waveguide (SIW) fed aperture coupled 1×4 patch arrays are designed on the LTCC platform. The admittance of the array elements are controlled with the stepped SIW and the non-uniform aperture coupling technique. The simulated and measured -10-dB impedance bandwidth of the designed antenna is approx. 6-7%. At 75 GHz, the maximum boresight directivity and realized gain of the designed antennas are 12 dB and 9 dBi, respectively. Additionally, a microstrip line (MSL)-SIW vertical transition structure is designed to facilitate the multi-layered RF structure in LTCC.
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Karki, S K, Ala-Laurinaho, J, Zheng, J, Lahti, M & Viikari, V 2019, Millimeter-wave stepped series array with LTCC. in EuRAD 2019 - 2019 16th European Radar Conference., 8904752, IEEE, pp. 321-324, European Radar Conference, Paris, France, 02/10/2019. < https://ieeexplore.ieee.org/document/8904752 >