A CMOS High-Power Broadband 260-GHz Radiator Array for Spectroscopy

  title={A CMOS High-Power Broadband 260-GHz Radiator Array for Spectroscopy},
  author={Ruonan Han and Ehsan Afshari},
  journal={IEEE Journal of Solid-State Circuits},
A high-power broadband 260-GHz radiation source using 65-nm bulk CMOS technology is reported. The source is an array of eight harmonic oscillators with mutual coupling through four 130-GHz quadrature oscillators. Based on a novel self-feeding structure, the harmonic oscillator simultaneously achieves the optimum conditions for the fundamental oscillation and the 2nd-harmonic generation. The signals at 260 GHz radiate through eight on-chip slot antennas, and are in-phase combined inside a… CONTINUE READING
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