Title :
Global Matching of Multi-section Transmission Lines Based on the CCITL Theory
Author :
Lamultree, Suthasinee ; Torrungrueng, Danai ; Phongcharoenpanich, Chuwong
Author_Institution :
Fac. of Eng. & Res. Center for Commun. & Inf. Technol., King Mongkut´´s Inst. of Technol., Bangkok
Abstract :
This paper presents a method for global matching of multi-section transmission lines (MSTLs) based on the theory of conjugately characteristic-impedance transmission lines (CCITLs). To provide some physical insights, examples of two and three sections of MSTLs are given for both passive (Re{Z0 +} ges 0) and active characteristic impedances (Re{Z0 +} < 0), where Z0 + are the characteristic impedances of CCITLs. In addition, compared results of local and global matchings using both standard transmission line (STL) and CCITL theories are shown. It is found that the CCITL theory can be used to globally match MSTLs indeed without solving any optimization problems.
Keywords :
impedance matching; transmission line theory; conjugately characteristic-impedance transmission line theory; global matching; multisection transmission lines; Impedance; Information technology; Microwave communication; Microwave technology; Microwave theory and techniques; Periodic structures; Power transmission lines; Propagation constant; Propagation losses; Transmission line theory; CCITLs; Global matching; Multi-section transmission lines;
Conference_Titel :
Microwave Conference, 2007. APMC 2007. Asia-Pacific
Conference_Location :
Bangkok
Print_ISBN :
978-1-4244-0748-4
Electronic_ISBN :
978-1-4244-0749-1
DOI :
10.1109/APMC.2007.4554942
