High conversion gain millimeter-wave monolithic IC quadruple subharmonic mixer

Dan An, Sung Chan Kim, Bok Hyung Lee, Mun Kyo Lee, Sam Dong Kim, Hyun Chang Park, Jin Koo Rhee

Research output: Contribution to journalArticlepeer-review

Abstract

We report a high conversion gain millimeter-wave monolithic IC (MMIC) quadruple subharmonic mixer adopting a novel cascode harmonic generator for an improved conversion gain. The proposed cascode harmonic generator produces 2.9 dB higher fourth harmonic output powers on the average compared with those of the conventional multiplier. The fabricated mixer shows a high conversion gain of 3.4 dB at a local oscillator (LO) power of 13 dBm. High isolations were obtained the LO-to-intermediate frequency (IF) of -53.6 dB and the LO-to-radio frequency (RF) of -46.2 dB, at a frequency of 14.5 GHz. The conversion gain achieved in this work is the best performance among the millimeter-wave MMIC subharmonic mixers reported to date.

Original languageEnglish
Pages (from-to)1452-1457
Number of pages6
JournalJapanese Journal of Applied Physics, Part 1: Regular Papers and Short Notes and Review Papers
Volume46
Issue number4 A
DOIs
StatePublished - 5 Apr 2007

Keywords

  • Cascode
  • Conversion gain
  • MMIC
  • Subharmonic mixer

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