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Ultrawideband characteristics of fractal dipole antennas integrated on Si for ULSI wireless interconnects

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3 Author(s)
Kikkawa, T. ; Res. Center for Nanodevices & Syst., Hiroshima Univ., Japan ; Kimoto, K. ; Watanabe, S.

Ultrawideband characteristics of Sierpinski carpet fractal antennas fabricated on silicon substrates with the resistivities of 2290, 79.6, and 10 Ω·cm were investigated. The return losses lower than -10 dB and high transmission gains of approximately -14 dB were obtained for the antennas with 10-mm distance on the Si substrate with the resistivity of 2290 Ω·cm in the frequency range from 18 to 26.5 GHz. Gaussian monocycle pulses with 70 ps pulsewidth were transmitted in the Si substrates successfully and the corresponding voltage gains were -23, -26, and -39 dB for the Si resistivities of 2290, 79.6, and 10 Ω·cm, respectively.

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Electron Device Letters, IEEE  (Volume:26 ,  Issue: 10 )