Dielectric resonator, inductor, capacitor, dielectric filter, oscillator, and communication device
First Claim
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1. An oscillator for a predetermined frequency, comprising:
- a negative resistance circuit; and
a dielectric resonator coupled to said negative resistance circuit, said dielectric resonator including;
a slot line comprising a slot electrode having a spiral slot disposed adjacent to a dielectric layer; and
a shielding conductor provided at a predetermined distance from said slot electrode;
wherein said slot line is resonant at said predetermined frequency.
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Abstract
A dielectric resonator includes a slot line constructed by providing a slot electrode having a spiral slot at either an external face of a dielectric layer or inside the dielectric layer and a shielding conductor provided at a predetermined distance from the slot electrode. The slot line is employed as a resonant line so as to provide a dielectric resonator, an inductor, a capacitor, a dielectric filter, an oscillator, and/or a communication device.
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Citations
3 Claims
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1. An oscillator for a predetermined frequency, comprising:
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a negative resistance circuit; and
a dielectric resonator coupled to said negative resistance circuit, said dielectric resonator including;
a slot line comprising a slot electrode having a spiral slot disposed adjacent to a dielectric layer; and
a shielding conductor provided at a predetermined distance from said slot electrode;
wherein said slot line is resonant at said predetermined frequency. - View Dependent Claims (3)
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2. A communication device for a predetermined frequency, comprising
a high-frequency circuit, said high-frequency circuit including at least one of an inductor and a capacitor having a slot line comprising a slot electrode having a spiral slot disposed adjacent to a dielectric layer; - and
a shielding conductor provided at a predetermined distance from said slot electrode;
wherein;
an end of said slot line is a short-circuit end; and
the length of the slot is not more than one-eighth of a transmission wavelength of said slot line at said predetermined frequency.
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Specification