Directional signal coupler-divider
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United States of America
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Dec 31, 2024
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Oct 14, 2022
filing date -
Oct 14, 2022
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Abstract
Low loss high directivity signal couplers use one or two U-shaped wire loops inserted into a slot of a low loss transmission line; the low diameter coaxial cable ending in wire loop sensors, which are inserted into the slot of the transmission line lead to a coupled, an isolated and a divided port. High, capacitively induced, electrical current, because of the proximity between the signal conductor of the airline and the wire loop, compares favorably with the antiphase magnetically induced current component in the wire loop sensor and leads to increased coupling, division and directivity over a wide frequency range starting at a few hundred MHz and exceeding 18 GHz. The signal coupler-divider is used in hybrid load pull tuners with instantaneous vector signal measurement capability.
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