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The design, fabrication, and characterization of an amulti- section impedance transformer using Klopfenstein tapering method is presented. The transformer is employed in a Ka-band traveling-wave tube (TWT)for radar applications. The Klopfenstein tapering provides the shortest length between the two difierent impedance levels with continuous tapering sections.

KA-BAND KLOPFENSTEIN TAPERED IMPEDANCE TRANSFORMER FOR RADAR APPLICATIONS