3-D-Printed Quasi-Elliptical Evanescent Mode Filter Using Mixed Electromagnetic Coupling

3-D-Printed Quasi-Elliptical Evanescent Mode Filter Using Mixed Electromagnetic Coupling

This letter presents an innovative topology of evanescent mode filters with mixed electromagnetic coupling finalized to take full advantage of additive manufacturing techniques. A four-pole filter with two transmission zeroes was designed starting from a suitable equivalent circuit. The filter was b...

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Veröffentlicht in:IEEE microwave and wireless components letters 2018-06, Vol.28 (6), p.497-499
Hauptverfasser: Venanzoni, Giuseppe, Dionigi, Marco, Tomassoni, Cristiano, Sorrentino, Roberto
Format: Artikel
Sprache:eng
Schlagworte:
Additive manufacturing (AM)
Couplings
Electromagnetic coupling
Equivalent circuits
evanescent mode filters
Filtering theory
Microwave circuits
mixed coupling
Resonant frequency
Resonators
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Zusammenfassung:This letter presents an innovative topology of evanescent mode filters with mixed electromagnetic coupling finalized to take full advantage of additive manufacturing techniques. A four-pole filter with two transmission zeroes was designed starting from a suitable equivalent circuit. The filter was built using a 3-D printer and measured. The good experimental results show the usefulness of the solution when in-line topologies are required.
ISSN:1531-1309
1558-1764
DOI:10.1109/LMWC.2018.2829627