Dual-Mode Circular Waveguide Filters Without Tuning Screws
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Mostrar el registro completo del ítemGrupo de investigación
Grupo Electromagnetismo Aplicado a las TelecomunicacionesÁrea de conocimiento
Teoría de la Señal y las ComunicacionesPatrocinadores
European Space AgencyFecha de publicación
1992-11Editorial
IEEECita bibliográfica
GUGLIELMI, M. ÁVAREZ MELCÓN, A. Dual-Mode Circular Waveguide Filters Without Tuning Screws. IEEE Microwave and Guided Wave Letters. Vol. 2, No. 11, pp. 457-458Revisión por pares
SIPalabras clave
Dual-mode filtersTuning screws
Circular waveguide
Finite element method (FEM)
Resumen
The manufacture of dual-mode circular waveguide
filter is a complex and labor intensive task that could be greatly
simplified with the use of accurate and fast CAD tools to predict
the electrical behavior of the structures being developed. This is
especially true for the "tuning screws assembly" that is an integral
part of this type of filters. A method is proposed for the rigorous
and efficient analysis of the tuning screws assembly for dual-
mode filters in circular waveguide. The method is based on the
introduction of a new waveguide called ridged circular waveguide
and in its use as a key component for the implementation of
dual-mode filters. The modal spectrum of the ridged circular
waveguide is investigated using the finite-element technique to
show how the introduction of this waveguide can effectively
resolve the problem of the CAD of the tuning screws in dual-mode
filters in circular waveguide.
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