• A New Concept of PTP Vector Network Analyzer 

      Autor: Závodný, Vadim; Hoffmann, Karel; Škvor, Zbyněk
      (IEEE, 2004-12)
      A new concept for vector network analyzers design based on a perturbation two-port (PTP) is presented. The approach uses redundant states of the PTP. The best states of the PTP for a certain place in Smith chart and frequency ...