High-frequency circuit device and transmitting and receiving apparatus
An undesired-wave propagation blocking circuit that blocks an undesired wave propagating between at least two parallel planar conductors is formed by a band eliminate filter including a plurality of stages of resonators and transmission lines each connecting the resonators in the respective stages....
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| creator | Mikami, Shigeyuki |
| description | An undesired-wave propagation blocking circuit that blocks an undesired wave propagating between at least two parallel planar conductors is formed by a band eliminate filter including a plurality of stages of resonators and transmission lines each connecting the resonators in the respective stages. Each of the resonators in the respective stages has two spiral lines that extend in parallel to each other from each root portion, and leading ends of the spiral lines are connected to each other. Each root portion of the two spiral lines of the resonators is connected to a plurality of positions of the two transmission lines, and each of the resonators is short-circuited at one of respective short-circuit portions, which is a root portion. |
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Each of the resonators in the respective stages has two spiral lines that extend in parallel to each other from each root portion, and leading ends of the spiral lines are connected to each other. 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Each of the resonators in the respective stages has two spiral lines that extend in parallel to each other from each root portion, and leading ends of the spiral lines are connected to each other. Each root portion of the two spiral lines of the resonators is connected to a plurality of positions of the two transmission lines, and each of the resonators is short-circuited at one of respective short-circuit portions, which is a root portion.</abstract><oa>free_for_read</oa></addata></record> |
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| source | USPTO Issued Patents |
| title | High-frequency circuit device and transmitting and receiving apparatus |
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