A novel microwave filter tuning method based on vector fitting and aggressive space mapping (VF-ASM) technology is presented in this paper. The filter tuning is performed as a two step procedure. First, the equivalent circuit parameters are extracted through vector fitting method by a series of S-parameter measurements. Second, the optimal screw positions are calculated through ASM techniques. this novel tuning technique has been tested successfully with cross-coupled six-resonator and direct coupled eight- resonator filters.
CITATION STYLE
Zhang, Y., Su, T., Li, Z., & Liang, C. (2013). A fast tuning method for microwave filter using vf-asm technology. Progress In Electromagnetics Research M, 30, 25–37. https://doi.org/10.2528/PIERM13012201
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