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Title: 140-GHz TE20-mode dielectric-loaded SIW Slot antenna array in LTCC
Authors: Xu, J.
Chen, Z.N. 
Qing, X.
Hong, W.
Keywords: 140 GHz
Dielectric loading
low-temperature co-fired ceramic (LTCC)
millimeter wave antenna array
substrate integrated waveguide (SIW)
TE20 mode
Issue Date: 2013
Citation: Xu, J., Chen, Z.N., Qing, X., Hong, W. (2013). 140-GHz TE20-mode dielectric-loaded SIW Slot antenna array in LTCC. IEEE Transactions on Antennas and Propagation 61 (4) : 1784-1793. ScholarBank@NUS Repository.
Abstract: A TE20-mode substrate integrated waveguide (SIW) fed slot antenna array is proposed at 140 GHz for fabrication ease and cost reduction. The antenna array consists of a feeding network, radiators, and dielectric loadings. The proposed antenna array and an SIW-waveguide transition are integrated into the multilayered low-temperature co-fired ceramic (LTCC). The feeding network comprises a power divider and E-plane couplers that support the TE20 mode. Each pair of symmetrical longitudinal radiating slots is fed by the TE20 mode in a doubled-width SIW. The pair of radiating slots is loaded by a doubled-width open-ended via-fence structure in which a higher order mode is also excited. Experimental results show that an 8 × 8 slot array with the transition achieves a maximum boresight gain of 21.3 dBi at 140.6 GHz and an impedance matching bandwidth of 129.2-146 GHz with a boresight gain above 18.3 dBi. © 1963-2012 IEEE.
Source Title: IEEE Transactions on Antennas and Propagation
ISSN: 0018926X
DOI: 10.1109/TAP.2012.2220317
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