An application of the T-chart for solving problems associated with terminated finite lossless periodic structures

Periodic structures of transmission lines have several applications in microwave technology. Due to complicated equations involved with terminated finite lossless periodic structures, a graphical solution assisting in the analysis and design of these structures is necessary. In this study the T-chart is employed to solve problems associated with these structures, operating in the passband, readily and effectively especially for unsymmetrical unit cells associated with periodic structures. Only the periodic structures with passive effective characteristic impedances are considered in this paper. It is found that the T-chart provides accurate solutions, compared to analytical solutions of terminated finite lossless periodic structures. (c) 2005 Wiley Periodicals, Inc.