Elliptical resonators and radio frequency filter formed therefrom
OwnerMichael John Lancasterinventor
Life of this patent
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Abstract
A resonator for use in a radio frequency filter including a substantially planar resonant portion that is substantially elliptical in plan. The resonant portion is mounted on a dielectric substrate. The resonator is configured to operate in at least a mode in which resonance occurs with a radial current and with substantially no current along the edge of the resonant portion. A filter comprising a plurality of the resonators is also disclosed.
Claims10
A resonator for use in a radio frequency filter, the resonator including a substantially planar resonant portion, the resonant portion being substantially elliptical in plan and mounted on a dielectric substrate, the resonator being configured to operate in at least a mode in which resonance occurs with a radial current and with no current along the edge of the resonant portion.
A resonator according to any one of the preceding claims, further including an aperture formed in the resonant portion.
Dependencies are inferred from the claim text.