Title :
The Design of Microstrip Directional Couplers using Exponential Lines
Author :
Sobhy, M.I. ; Hosny, E.A.
Author_Institution :
The Electronics Laboratories, The University of Kent at Canterbury, Canterbury, Kent, England.
Abstract :
Accurate formulas are derived for the scattering parameters of coupled exponential transmission lines (CETL) in inhomogeneous media. The formulas are used to design wide-band directional couplers. Practical measurements on designed couplers prove the accuracy of the derived formulas.
Keywords :
Capacitance; Coupling circuits; Differential equations; Directional couplers; Distributed parameter circuits; Microstrip; Nonhomogeneous media; Scattering parameters; Transmission line theory; Voltage;
Conference_Titel :
Microwave Conference, 1981. 11th European
Conference_Location :
Amsterdam, Netherlands
DOI :
10.1109/EUMA.1981.333006