Volume 27 Issue 02
Jan.  2015
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Article Navigation >  High Power Laser and Particle Beams  > 2015  >  27(02): 024132
Jiang Tingyong, Zhou Heng, Ning Hui, et al. Study of horn antenna loaded with epsilon-near-zero metamaterial[J]. High Power Laser and Particle Beams, 2017, 29: 023001. doi: 10.11884/HPLPB201729.160458
Citation: Li Muhua, Zhao Jiahao, You Zheng. Loss mechanisms of radio frequency micro-electro-mechanical systems capacitive switches[J]. High Power Laser and Particle Beams, 2015, 27: 024132. doi: 10.11884/HPLPB201527.024132
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Loss mechanisms of radio frequency micro-electro-mechanical systems capacitive switches

doi: 10.11884/HPLPB201527.024132
  • 1.

    Collaborative Innovation Center for Micro/Nano Fabrication,Device and System,State Key Laboratory of Precision Measurement Technology and Instruments Department of Precision Instrument,Tsinghua University,Beijing 100084,China

  • Received Date: 2014-10-22
  • Rev Recd Date: 2014-11-12
  • Publish Date: 2015-01-27
    Abstract
  • Insertion loss is an important performance indicator for radio frequency micro-electro-mechanical systems (RF MEMS) switches. The RF MEMS capacitive switch is a kind of RF MEMS switch which is suitable for high frequency use. Its loss mechanisms are investigated in this paper. Four main parts contribute to the RF MEMS capacitive switchs insertion loss: conductor loss of the signal lines, substrate loss, radiation loss, and MEMS bridge loss. Loss models are built and calculated, and numerical calculation results agree well with simulation results. In addition, influence factors of insertion loss are analyzed, and results show that high resistivity substrate, conductor width around 200 m, smaller conductor thickness and smaller up-state capacitance can help lower the insertion loss.
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