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    • Tune-all wideband planar filters for KAT-7 

      Beukman, Theunis Steyn (Stellenbosch : Stellenbosch University, 2011-12)
      ENGLISH ABSTRACT: A new type of wideband lters, with tunability in both the centre frequency and bandwidth, is presented in this thesis. These lters are based on perturbed ring-resonators in cascade, while varactor ...