High-performance 94-GHz single-balanced diode mixer using disk-shaped GaAs Schottky diodes

Jung Hun Oh, Sung Woon Moon, Dong Sun Kang, Sam Dong Kim

Research output: Contribution to journalArticlepeer-review

15 Scopus citations

Abstract

We present a high-performance 94-GHz single-balanced monolithic millimeter-wave integrated-circuit (MMIC) mixer using the disk-shaped GaAs Schottky diodes grown on an n/n+ epitaxial structure. Due to the superior characteristics of the GaAs diodes with high diode-to-diode uniformity, the mixer shows a conversion loss of 5.5 dB at 94 GHz, a 1-dB compression point (P1-dB) of 5 dBm, and high local-oscillator to radio-frequency isolation above 30 dB in an RF frequency range of 91-97 GHz. To our knowledge, the fabricated mixer shows the best performance in terms of conversion loss at 94 GHz and P1-dB among the W-band MMIC mixers without amplifier circuits.

Original languageEnglish
Pages (from-to)206-208
Number of pages3
JournalIEEE Electron Device Letters
Volume30
Issue number3
DOIs
StatePublished - 2009

Keywords

  • Millimeter wave mixers
  • Monolithic integrated circuits
  • Schottky diode mixers
  • Schottky diodes

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