Pseudocombline bandpass filters based on half-wave resonators manufactured from sections of balanced striplines
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The possibility of application of pseudocombline microwave structures with λ/2 resonators manufactured from sections of balanced striplines as bandpass filters is demonstrated. It is found that coupling coefficients of λ/2 resonators manufactured from sections of balanced striplines arranged in parallel to each other without mutual shift have nonzero values. The dependence of these coupling coefficients on the parameters of half-wave stripline resonators is studied. Frequency characteristics of some pseudocombline bandpass filters with λ/2 resonators are analyzed and experimental data are presented.
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