Ferromagnetic composite-based and magnetically-tunable microwave devices

Ferromagnetic composite-based and magnetically-tunable microwave devices

This article deals with a new generation of tunable microwave devices using ferromagnetic materials. The sensitivity of the device cut-off frequency to the dc magnetic field was investigated for two filtering resonators (stub resonator and Stepped Impedance Resonator). The stub resonator exhibited a...

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Hauptverfasser: Salahun, E., Tanne, G., Queffelec, P., Gelin, P., Adenot, A.-L., Acher, O.
Format: Tagungsbericht
Sprache:eng
Schlagworte:
Cutoff frequency
Filtering
Impedance
Magnetic fields
Magnetic materials
Magnetic separation
Microwave devices
Microwave filters
Microwave generation
Resonator filters
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Beschreibung
Zusammenfassung:This article deals with a new generation of tunable microwave devices using ferromagnetic materials. The sensitivity of the device cut-off frequency to the dc magnetic field was investigated for two filtering resonators (stub resonator and Stepped Impedance Resonator). The stub resonator exhibited a frequency tunability of nearly 40% for a dc magnetic field strength of 250 Oe, whereas the linewidth remained unchanged. A 12.2% tunability of the SIR device was reached under 250 Oe applied.
ISSN:0149-645X
2576-7216
DOI:10.1109/MWSYM.2002.1011862