CHEN Ming. Optimum Design of Multi-band Transformer with Multi-section for Two Arbitrary Complex Frequency-dependent Impedances[J]. Chinese Journal of Electronics, 2012, 21(1): 160-164.
Citation: CHEN Ming. Optimum Design of Multi-band Transformer with Multi-section for Two Arbitrary Complex Frequency-dependent Impedances[J]. Chinese Journal of Electronics, 2012, 21(1): 160-164.

Optimum Design of Multi-band Transformer with Multi-section for Two Arbitrary Complex Frequency-dependent Impedances

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  • Received Date: September 30, 2010
  • Revised Date: June 30, 2011
  • Published Date: January 04, 2012
  • N-frequency Transmission line transformers (TLTs) with N-section for two arbitrary complex frequency-dependent impedances is optimally designed based on an ideal transmission-line model. Optimum design equations of the proposed transmission line transformer are derived and solved by using Particle swarm algorithm (PSO) and Levenberg-Marquardt algorithm( LMA). Several numerical examples are given to verify the validity of the design.

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