W-band Cylindric Dielectric Resonator Antenna on LTCC
Résumé
This article presents the design of a cylindrical dielectric resonator antenna (DRA) operating at 100 GHz, specifically optimized for the low-temperature co-fired ceramic (LTCC) manufacturing process. The antenna is designed to support the HE11 mode, validated through modal analysis of field distributions. The LTCC manufacturing process enables precise alignment and stable mechanical attachment of the resonator to the ground plane without the use of adhesives, as the layers form a solid and cohesive structure after firing. Experimental results reveal a 10.8 GHz -10 dB bandwidth with a 2.96 dBi gain obtained at 99.4 GHz, compared to a 6.43 dBi gain found in simulation. The measured bandwidth and performance demonstrate the potential of the antenna for high-frequency applications in the W band.
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