Abstract: A phase shifter includes first and second dielectric substrates opposite to each other, first and second conductive patterns on a side of the first dielectric substrate close to the second dielectric substrate, a third conductive pattern on a side of the second dielectric substrate close to the first dielectric substrate, and an adjustable dielectric layer between a layer where the first and second conductive patterns are located and a layer where the third conductive pattern is located; the third conductive pattern includes a main structure, and first and second branches connected to the main structure on two sides of an extending direction thereof respectively; the phase shifter further includes a split ring resonator on a side of the second dielectric substrate away from the third conductive pattern, and orthographic projections of the split ring resonator and the third conductive pattern on the first dielectric substrate partially overlap each other.

Abstract: A leaky-wave antenna includes: first and second substrates opposite to each other; and an adjustable dielectric layer between the first and second substrates; the first substrate includes a first dielectric substrate, and first and second transmission lines on a side of the first dielectric substrate close to the adjustable dielectric layer; the first transmission line includes a first trunk line and at least one first main branch connected thereto, and a first auxiliary branch connected to the first main branch; the second transmission line includes a second trunk line and at least one second main branch connected thereto, and a second auxiliary branch connected to the second main branch; the first trunk line and the second trunk line are arranged side by side, with a first gap therebetween; the second substrate includes a second dielectric substrate and a reference electrode layer on the second dielectric substrate.

Abstract: The disclosure provides a phase shifter, an antenna, and an electronic device, wherein the phase shifter includes: a first substrate and a second substrate which are oppositely disposed as well as a plurality of phase shifting units disposed between the first substrate and the second substrate, wherein each of the phase shifting units includes a right-handed microstrip unit, the plurality of the right-handed microstrip units are arranged in a first direction to form a right-handed microstrip line, each of the phase shifting units includes a left-handed microstrip unit connected in series to the corresponding right-handed microstrip unit, and the plurality of right-handed microstrip units and the plurality of left-handed microstrip units form a combined left-handed and right-handed transmission line. A functional design of combining a right transmission line with a left transmission line is achieved, and a miniaturization design of the phase shifter is ensured.

Abstract: The present application provides a tunable phase shifter and an electronic device, which relates to the technical field of microwave radio frequency. The tunable phase shifter includes: a first substrate and a second substrate; and a regulatable dielectric layer. The first electrode layer includes a reference electrode. The second electrode layer includes a first transmission line and a second transmission line, the first transmission line is provided with a first branch, the second transmission line is provided with a second branch, and the orthographic projections on the first substrate of the first branch and the second branch and the orthographic projection of the reference electrode on the first substrate at least partially overlap. The tunable phase shifter according to the present application forms an electric field by using the first branch, the second branch and the reference electrode, which can realize the function of phase shifting.

Abstract: A phase shifter and an electronic device are provided and belong to the field of communication technology. The phase shifter includes opposite first and second substrates; a tunable dielectric layer therebetween. The first substrate includes a first dielectric substrate; first and second transmission lines on a side of the first dielectric substrate close to the tunable dielectric layer; the first transmission line includes a first main line and at least one first branch connected to a side of an extending direction thereof; the second transmission line includes a second main line and at least one second branch connected to a side of an extending direction thereof; the first and second main lines are arranged side by side with a first gap therebetween. The second substrate includes a second dielectric substrate and a first electrode layer on a side of the second dielectric substrate close to the tunable dielectric layer.

Abstract: An antenna, an antenna array and an electronic device are provided and belong to the field of communication technology. The antenna includes a first substrate, a second substrate, and a tunable dielectric layer. The first substrate includes a first dielectric substrate and a first electrode layer on a side of the first dielectric substrate close to the tunable dielectric layer; the second substrate includes a second dielectric substrate and a second electrode layer on a side of the second dielectric substrate close to the tunable dielectric layer. The second electrode layer includes a signal electrode, and at least one first branch and at least one second branch electrically connected to the signal electrode; the at least one first branch and the at least one second branch are respectively on two sides of an extending direction of the signal electrode.

Abstract: The present disclosure provides an antenna, and belongs to the field of radio frequency technology. The antenna provided by the present disclosure includes: a dielectric substrate, and a radiation patch and a waveguide feed structure, which are respectively disposed on two opposite sides of the dielectric substrate; an orthographic projection of a first transmission port of the waveguide feed structure on the dielectric substrate at least partially overlaps that of the radiation patch on the dielectric substrate; and the radiation patch is configured to convert a linearly polarized radiation signal transmitted via the first transmission port into a circularly polarized radiation signal. The antenna can realize conversion of the linearly polarized radiation signal into the circularly polarized radiation signal by adopting the radiation patch, so that a space occupied by the radiation patch can be reduced, thereby avoiding an increase in a thickness of the antenna.