Electrical filter structure
Number of patents in Portfolio can not be more than 2000
United States of America
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Dec 24, 2024
Grant Date -
Jul 28, 2022
app pub date -
Apr 15, 2022
filing date -
Apr 15, 2022
priority date (Note) -
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status (Latency Note)
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Abstract
An electrical filter structure for forwarding an electrical signal from a first port, e.g. P1, to a second port, e.g. P2, in a frequency selective manner, wherein the filter is a microwave filter, the electrical filter structure comprising: a plurality of pairs of an open stub and a short-circuited stub coupled electrically in parallel to a transmission line comprising a plurality of transmission line portions at a plurality of respective junctions between adjacent transmission line portions, e.g. Cross junction; and wherein the first port is connected with a first of the junctions having a first pair comprising a first open stub and a first short-circuited stub; wherein the second port is connected with a last of the junctions having a last pair comprising a last open stub and a last short-circuited stub; wherein lengths of the pair of the open stub and the short-circuited stub coupled to a same of the junctions are chosen such that electrical lengths of the open stub and short-circuited stub of the respective pairs are equal within a tolerance of +/−10%.
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