Development of miniature LTCC filter for TV broadcasting band by using substrates of mixed dielectrics

Development of miniature LTCC filter for TV broadcasting band by using substrates of mixed dielectrics

Novel design opportunities for microstrip bandpass filters built by using layered substrates of mixed ceramic dielectrics having different permittivities are investigated on the example of a filter for UHF band. The possibilities to enhance and control the rejection band characteristics are demonstr...

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Bibliographische Detailangaben
Hauptverfasser: Hennings, A., Semouchkina, E., Baker, A., Semouchkin, G., Waser, R., Lanagan, M.
Format: Tagungsbericht
Sprache:eng
Schlagworte:
Band pass filters
Ceramics
Circuit simulation
Dielectric substrates
Equivalent circuits
Finite difference methods
Microstrip filters
Permittivity
Time domain analysis
TV broadcasting
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Zusammenfassung:Novel design opportunities for microstrip bandpass filters built by using layered substrates of mixed ceramic dielectrics having different permittivities are investigated on the example of a filter for UHF band. The possibilities to enhance and control the rejection band characteristics are demonstrated based on FDTD simulations and lumped element equivalent circuits. A miniature LTCC-filter of (3.6times2.8) mm 2 size is presented. Measurements of the filter prototypes fabricated by using the multilayer LTCC technology have confirmed the design principles with good agreement.
DOI:10.1109/EUMC.2007.4405330