Multistage Complex-Impedance Matching Network Analysis and Optimization

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14 Citations (Scopus)
18 Downloads (Pure)


Some systems like RF energy harvesters have power transfer efficiency as one of the most important specifications. Therefore, the efficiency of the matching network, which affects the entire system’s efficiency, plays an important role. When the impedance transformation factor between the antenna and its load is high, the matching network efficiency is decreased. In this paper we present the efficiency analysis and optimization of multistage matching networks at a single frequency using lumped components. Considering complex source and load impedances at each stage of the network, we show that it is possible to obtain
better results than prior art.
Original languageEnglish
Pages (from-to)833-837
Number of pages5
JournalIEEE Transactions on Circuits and Systems Part 2: Express Briefs
Issue number9
Publication statusPublished - 2016

Bibliographical note

Accepted author manuscript


  • radio frequency
  • Energy efficiency
  • energy harvesting
  • impedance matching


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