Accurate extraction of coupling matrix for coupled resonator filters

Accurate extraction of coupling matrix for coupled resonator filters

More accurate and complete formulas are developed for extraction of coupling parameters of coupled resonator filters. It takes into account of coupling with frequency dependence and source/load phase loading. Impacts of resonator port impedance and position are also discussed. Examples, including a...

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1. Verfasser: Xinshe Yin
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admittance matrix
Coupled Resonator Filter
coupling matrix
Couplings
Dispersion
Load modeling
Loading
Microwave filters
parameter extraction
Resonant frequency
Resonator filters
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description More accurate and complete formulas are developed for extraction of coupling parameters of coupled resonator filters. It takes into account of coupling with frequency dependence and source/load phase loading. Impacts of resonator port impedance and position are also discussed. Examples, including a wideband comb-line filter and a narrowband dielectric duplexer, are simulated to verify the validity of the presented formulation. Results showed that the extracted coupling matrix (changes with frequency) has the same response with EM simulation. The new formulas enable more accurate and efficient design of coupled resonator filters.
doi_str_mv 10.1109/MWSYM.2012.6258407
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subjects admittance matrix
Coupled Resonator Filter
coupling matrix
Couplings
Dispersion
Load modeling
Loading
Microwave filters
parameter extraction
Resonant frequency
Resonator filters
title Accurate extraction of coupling matrix for coupled resonator filters
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