STUDY OF MATCHING LOAD ON NONUNIFORM COAXIAL TRANSMISSION LINE AND ITS APPLICATION TO WIDEBAND IMPEDANCE TRANSFORMER.

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作者：
Sano, Seigo
Mochizuki, Manabu
Muto, Shinzo
Ito, Chiaki
Ito, Hiroshi
机构：
来源：
Electronics and Communications in Japan, Part II: Electronics (English translation of Denshi Tsushin Gakkai Ronbunshi) | 1987年 / 70卷 / 08期
关键词：
ELECTRIC TRANSFORMERS;
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摘要：
Two nonuniform coaxial transmission lines have been fabricated in which the primary parameters of the line vary parabolically and cosinusoidally. The characteristic impedances and the matched loads have been measured and the application to a broadband impedance transformer has been studied. The results show that the characteristic impedance distribution of the nonuniform coaxial transmission line does not coincide with the nominal characteristic impedance but agrees with the solution of the differential equation for the impedance derived from the telegrapher's equation. The condition providing for an effective matched load is determined and it is found that under this matched condition both of the nonuniform coaxial transmission line elements operate as an impedance transformer over an extremely wide frequency range exceeding 0. 5 GHz.
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页码：43 / 50
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