Title :
Asymmetric H-plane T-junction for broadband diplexer applications
Author :
Rebollar, J.M. ; Montejo-Garai, J.R. ; Ohoro, A.
Author_Institution :
ETSI Telecomunicacion, Univ. Politecnica de Madrid, Spain
Abstract :
An asymmetric H-plane T-junction is proposed as a power divider for broadband diplexer applications. The asymmetric T-junction is full-wave characterized by means of its generalized admittance matrix (GAM). A diplexer with this kind of junction and two passband all-pole sixth-order Chebyshev filter channels has been designed. The channel filters have been implemented by means of H-plane symmetrical irises in a rectangular waveguide and characterized by their generalized scattering matrices (GSM). The accurate and efficient full-wave hybrid (GAM+GSM) method has been applied to analyze and optimize the whole structure. The predicted good performance confirms the broadband properties of the proposed asymmetric H-plane T-junction for diplexer applications.
Keywords :
Chebyshev filters; S-matrix theory; electric admittance; multiplexing equipment; passive filters; poles and zeros; power dividers; rectangular waveguides; waveguide filters; waveguide junctions; H-plane symmetrical irises; Ku-band diplexer; accurate full-wave hybrid method; all-pole sixth-order Chebyshev filter; asymmetric H-plane T-junction; broadband diplexer applications; broadband properties; efficient full-wave hybrid method; generalized admittance matrix; generalized scattering matrices; passband filter channels; power divider; rectangular waveguide; Admittance; Chebyshev approximation; Filters; Passband; Power dividers; Rectangular waveguides; Scattering; Symmetric matrices; Transmission line matrix methods; Waveguide discontinuities;
Conference_Titel :
Antennas and Propagation Society International Symposium, 2000. IEEE
Conference_Location :
Salt Lake City, UT, USA
Print_ISBN :
0-7803-6369-8
DOI :
10.1109/APS.2000.874892
