Design of tunable magnetostatic volume wave filters with dispersion and bandwidth control

The possibility of controlling the bandwidth and the dispersion of a tunable magnetostatic volume wave (MSVW) delay line filter based on yttrium-iron-garnet (YIG) films is demonstrated. The simulation has been performed on a MSW filter consisting of two delay lines in cascade having opposite dispers...

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Veröffentlicht in:	IEEE transactions on magnetics 1991-11, Vol.27 (6), p.5471-5473
Hauptverfasser:	Marcelli, R., De Gasperis, P., Rossi, M., Guglielmi, M.
Format:	Artikel
Sprache:	eng
Schlagworte:	Applied sciences Band pass filters Bandwidth Circuit properties Delay lines Electric, optical and optoelectronic circuits Electronics Exact sciences and technology Frequency Magnetic films Magnetic separation Magnetostatic waves Microwave circuits, microwave integrated circuits, microwave transmission lines, submillimeter wave circuits Microwave filters Passband Space technology
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Zusammenfassung:	The possibility of controlling the bandwidth and the dispersion of a tunable magnetostatic volume wave (MSVW) delay line filter based on yttrium-iron-garnet (YIG) films is demonstrated. The simulation has been performed on a MSW filter consisting of two delay lines in cascade having opposite dispersion properties: a backward volume wave delay line and a forward volume wave one. The filter can be used effectively in the microwave frequency range for bandwidths between 20 MHz and 200 MHz, with the center frequency tunable with the DC magnetic bias.< >
ISSN:	0018-9464 1941-0069
DOI:	10.1109/20.278874