An Analytical Algorithm for Pi-Network Impedance Tuners

  title={An Analytical Algorithm for Pi-Network Impedance Tuners},
  author={Qizheng Gu and Javier R. De Luis and Arthur S. Morris and Jeff Hilbert},
  journal={IEEE Transactions on Circuits and Systems I: Regular Papers},
In this paper, an analytical tuning algorithm for a pi-network impedance tuner is presented. The pi-network consists of tunable capacitors with finite tuning range, and a fixed value inductor. The algorithm is able to determine all tunable network component values for matching any given load impedance. The resulting matching performance measured either in terms of the input VSWR or transducer gain, is equivalent to that obtained from a commercial iterative optimization methods, but the… CONTINUE READING
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