Accurate Derivation of Lossy Equivalent Circuit of Waveguide External Coupling
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URI: http://hdl.handle.net/10317/3166Compartir
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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
Agencia Espacial EuropeaFecha de publicación
2013-03-01Cita bibliográfica
LORENTE ACOSTA, José Antonio; ERNST, Christoph y ÁLVAREZ MELCÓN, Alejandro. Accurate Derivation of Lossy Equivalent Circuit of Waveguide External Coupling. En 5º International Workshop on Microware Filters. 1-3 de octubre, Toulouse, Francia 2012.Palabras clave
Band pass filterscircuit optimization
Coupling circuits
microwave filters
Resumen
A novel technique to derive the lossy equivalent
circuit of waveguide external couplings of narrowband cavity
filters with arbitrary cavity cross section and arbitrary coupling
geometry is presented in this contribution. The technique makes
use of a reduced CAD model to obtain the element values of the
equivalent lossy circuit. Therefore the contribution of the
external coupling structures to the total dissipated power and
total stored energy of the filter can be derived and a clear
separation between resonators and couplings is established. A
first degree filter has been designed, simulated, and
manufactured. Its lossy equivalent circuit has been extracted and
comparisons with simulation and measurement show excellent
agreement.
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