This paper discloses an adjustable phase shifting device for antenna array as well as an antenna array, the device including a branched network of feed lines containing transformer portions of varying width for reducing reflection of signals passing through the network and coupling the common input port with the output ports placed along the first edge of the device via one or more junctions and including portions of feed lines placed along the second edge of the device, the dielectric members mounted on one rod adjacent to these portions of feed lines and can be moved along ones to synchronously adjust the phase relationship between the output ports, the dielectric members having one or more transformer portions for reducing reflection of signals passing through the network, wherein the dielectric member mounted adjacent to portions of feed lines placed along the second edge of the device and connected with the first junction from input port contains transformer portions at both ends and other dielectric members contain transformer portions only at one end which overlap a portion of feed line placed along the second edge of the device.

A phase shifter and a method for operating the same, an antenna and a communication device are provided. The phase shifter includes: a first substrate and a second substrate opposite to each other; a dielectric layer between the first substrate and the second substrate; a first electrode on a side of the first substrate proximal to the second substrate; a second electrode on a side of the second substrate proximal to the first substrate; and a ground electrode on a side of the second substrate distal to the first substrate. The dielectric layer includes liquid crystal molecules, and the first electrode and the second electrode are configured to control rotation of the liquid crystal molecules according to different voltages respectively received by the first electrode and the second electrode. The second electrode has a one-piece structure.

The present invention is an apparatus for shifting the phase of an radiofrequency signal. The device has an input line and an output line. An input switch is connected to the input line. The input switch is has several input throws. An output switch is connected to the output line. The output switch has several output throws which correspond to the input throws. The apparatus also has several phase shift lines. Each phase shift line has a true path length that is different from the true path lengths of the other phase shift lines.

The present invention discloses an ultra wide band digital phase shifter, wherein the phase shifter includes a coupler, a first impedance network and a second impedance network. The coupler is cascaded by spiral inductor coupling units; each stage of spiral inductive coupling unit includes a first spiral inductor and a second spiral inductor coupled mutually; multistage cascade of the spiral inductor coupling units is implemented through the series connection of each stage of first spiral inductors and the series connection of each stage of second spiral inductors; and the coupling interval or microstrip band width of each stage of spiral inductor coupling unit in the coupler from the exterior to the interior decreases gradually. The impedance networks are implemented using LC circuits and switching elements, and the states of the impedance networks are switched by a switch, thus producing phase displacement; therefore, the impedance network is rational in structure and is easy to implement; the phase shifter has the advantages of compact structure, small area occupation and good wideband character and has larger advantages and application space in integrated chip applications.

The present disclosure provides a liquid crystal phase shifting device, a manufacturing method for the liquid crystal phase shifting device, a liquid crystal phase shifter, and an antenna, aiming to achieve the better curved surface applications of the liquid crystal phase shifting device and thus increases the applications. The liquid crystal phase shifting device includes: a first flexible substrate and a second flexible substrate that are opposite to each other; a microstrip line arranged on a side of the first flexible substrate facing towards the second flexible substrate; an electrode layer arranged on a side of the second flexible substrate facing towards the first flexible substrate; and solid-state liquid crystal arranged between the microstrip line and the electrode layer. The liquid crystal phase shifting device is used for performing phase shifting on a microwave signal.

A phase shifter transmission device includes: a power mechanism, a driving rod, a plurality of transmission assemblies, and at least one row of phase shifters. The power mechanism is connected to the driving rod and configured to drive the driving rod to rotate. The plurality of transmission assemblies are connected to the driving rod, distributed along an axial direction of the driving rod, and driven by the driving rod to rotate synchronously. Each row of phase shifters includes a plurality of phase shifters distributed along the axial direction of the driving rod, and each phase shifter of each row of phase shifters is connected to the corresponding transmission assembly. The at least one row of phase shifters are configured, when being driven by the plurality of transmission assemblies, to synchronously adjust phases of radiated signals corresponding to the phase shifters.

A phase shifter assembly, suitable for a base station antenna, includes a main printed circuit board with opposing first and second primary sides. The main printed circuit board has a plurality of radio frequency (RF) transmission paths on the first primary side and a plurality of RF transmission paths on the second primary side. The phase shifter assembly also includes a first wiper arm rotatably coupled to the main printed circuit board and electrically coupled to the plurality of transmission paths on the first primary side of the main printed circuit board; and a second wiper arm rotatably coupled to the main printed circuit board and electrically coupled to the plurality of transmission paths on the second primary side of the main printed circuit board. Rearwardly extending phase shifter assemblies that are oriented perpendicular to a plane defined by a reflector within a base station antenna are also provided.

The present disclosure provides a MEMS phase shifter and a manufacturing method thereof. The MEMS phase shifter includes a first substrate having a first surface, a coplanar waveguide on the first surface of the first substrate and including a first conductive wire and two second conductive wires on two sides of the first conductive wire and insulated from the first conductive wire, and a plurality of capacitance bridges on a side of the coplanar waveguide away from the first substrate. The plurality of capacitance bridges are arranged at intervals and insulated from the first conductive wire and the second conductive wire, and each of the plurality of capacitance bridges intersects the first conductive wire. The first surface of the first substrate includes a first groove, and the first conductive wire is suspended above the first groove.

Apparatus for processing radio frequency, RF, signals, wherein said apparatus comprises at least a first transmission line and a second transmission line, and an electrically conductive element that is capacitively coupled with said first transmission line and said second transmission line and that is translationally movably arranged with respect to at least one of said first transmission line and said second transmission line.

Provided are a liquid crystal phase shifting unit, a method for manufacturing the same, a liquid crystal phase shifter, and an antenna, which relate to the technical field of phase shifting. A liquid crystal filling region (6) is supported steadily by a support structure (4), which increases the transmission stability of a microwave signal. A space between a first substrate (1) and a second substrate (2) of the liquid crystal phase shifting unit includes the liquid crystal filling region (6). A microstrip line (3) is provided on a surface of the first substrate (1) facing towards the second substrate (2). An orthographic projection of the microstrip line (3) on the first substrate (1) is located in the liquid crystal filling region (6). The support structure (4) is provided between the first substrate (1) and the second substrate (3) and in the liquid crystal filling region (6). The orthographic projection of the support structure (4) on the first substrate (1) does not overlap the microstrip line (3), which is used for shifting a phase of a microwave signal.