A single-waveguide in-phase power-combined frequency doubler at 190 GHz

J V Siles, A Maestrini, B Alderman, Steven R Davies, H Wang, J Treuttel, E Leclerc, T Narhi, C Goldstein

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74 Citations (SciVal)


This work represents the first demonstration of in-phase power-combined frequency multipliers above 100 GHz based on a dual-chip single-waveguide topology, which consists of two integrated circuits symmetrically placed along the E-plane of a single transmission waveguide. This strategy increases by a factor of 2 the maximum sustainable input power with regard to traditional waveguide multipliers. A biasless 190 GHz Schottky doubler based on this novel concept has been designed and tested with a 6-10% conversion efficiency measured across a 177-202 GHz band when driven with a 50-100 mW input power at 300 K.
Original languageEnglish
Pages (from-to)332-334
Number of pages3
JournalIEEE Microwave and Wireless Components Letters
Issue number6
Early online date15 May 2011
Publication statusPublished - Jun 2011


  • power-combining
  • local oscillator
  • submillimeter wavelengths
  • planar Schottky diode
  • frequency multiplier


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