Design of a frequency tripler tased on CSMRC covering full WR-3 band
Received:September 28, 2017  Revised:January 18, 2018  download
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Author NameAffiliationE-mail
GUO Jian State Key Laboratory of Millimeter Waves,Southeast University jguo@seu.edu.cn 
SHEN Wei Shanghai Aerospace Electronic Technology Institute,Shanghai  
MENG Hong-Fu State Key Laboratory of Millimeter Waves,Southeast University,Nanjing  
Abstract:An accurate design approach of full WR-3 waveguide band balanced frequency tripler is proposed in this paper. Compact Suspended Microstrip Resonator Cell (CSMRC) is adopted for input filtering and circuit matching. CSMRC brings relatively higher out-of-band rejection and reduce the size and the channel width of the tripler. The entire tripler is composed of two waveguide-to-suspended stripline transitions, a pair of two anti-parallel diodes, a CSMRC and two matching lines. The design approach is verified by comparing the measured results with the simulated ones. The measured output power of two samples is between 45 to 95 μW at frequencies from 225 to 330 GHz, and the average output power is 60 μW. The conversion efficiency is from 1.5% to 3%, and the optimum efficiency is 3% with +5 dBm drive power.
keywords:THz, CSMRC, Schottky diode, frequency tripler
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Copyright:《Journal of Infrared And Millimeter Waves》