The present disclosure provides a phase shifter and antenna, The phase shifter includes a first substrate, a second substrate and a first dielectric layer between the first substrate and the second substrate. The first substrate includes: a first base substrate and a transmission line on a side of the first base substrate proximal to the first dielectric layer. The second substrate includes: a second base substrate and a reference electrode on a side of the second substrate proximal to the first dielectric layer. An orthographic projection of the reference electrode on the first base substrate at least partially overlaps an orthographic projection of the transmission line on the first base substrate. The reference electrode is provided with a first opening therein, and a length of the first opening along the first direction is not less than a line width of the transmission line.

A beam adjustment assembly is provided. The assembly includes a phase shifter and a connecting plate. The phase shifter includes a circuit board and main dielectric slabs configured to shift a phase. The circuit board is provided with a first strip and a second strip that are spaced. The first strip and the second strip are configured to respectively connect to radiating elements of an antenna. The connecting plate is slidably assembled on the circuit board and is configured to control an electrical connection between the first strip and the second strip. When sliding, the main dielectric slab can push the connecting plate to slide, to control a quantity of radiating elements in the antenna system. It can be learned from the foregoing description that, in this application, the sliding of the main dielectric slab in the phase shifter is used as a driving mechanism of the connecting plate.

A phased array antenna system is provided, including a feed structure and at least one phased array antenna element, wherein the at least one phased array antenna element includes a first impedance transformation unit, an MEMS phase-shifting multi-unit and an antenna. The first impedance transformation unit is connected to a feed structure, and the MEMS phase-shifting multi-unit is connected between the first impedance transformation unit and the antenna.

The present disclosure relates to a phase shifter, which includes: a phase shift circuit board with conductive traces printed thereon; and a phase shift circuit board with conductive traces printed thereon; and a slide device with a first tooth section configured to be driven, wherein movement of the first tooth section drives the slide device to slide on the phase shift circuit board. In addition, the present disclosure further relates to a remote electrical tilt system, which includes an actuator, a transmission mechanism, and at least one phase shifter according to the present disclosure, wherein the actuator is configured to drive the transmission mechanism, and the transmission mechanism engages the first tooth section to drive the slide device to slide on the phase shift circuit board. In addition, the present disclosure also relates to a base station antenna which includes the remote electrical tilt system according to the present disclosure. The base station antenna according to the present disclosure may improve the stability of the transmission of the remote electrical tilt system and increase the space utilization of the remote electrical tilt system.

An antenna includes: a substrate; a first reference electrode on a first surface of the substrate; a radiating element on a second surface of the substrate, feeding directions of a first port and a second port of the radiating element are different; and at least one transmission structure on the second surface of the substrate and connected to at least one of the first port and the second port. The transmission structure includes: a signal electrode, a second reference electrode on at least one side of the signal electrode, and at least one membrane bridge; the signal electrode feeds a microwave signal into the radiating element, is positioned in a space surrounded by the membrane bridge and the substrate, and is insulated from the membrane bridge through an interlayer dielectric layer; orthographic projections of the membrane bridge and the second reference electrode on the substrate are overlapped.

The present disclosure provides a phase shifter and an antenna. The phase shifter includes: a substrate; a signal electrode, and a first reference electrode and a second reference electrode respectively on two sides of an extending direction of the signal electrode; an interlayer insulating layer on the signal electrode, the first reference electrode and the second reference electrode; and at least one phase control unit each including a film bridge. At least part of the at least one phase control unit further includes at least one driving structure including at least a driving electrode; at least part of the at least one driving structure has a different height from a height of the signal electrode in a direction away from the substrate; the driving structure in each phase control unit is at least partially overlapped an orthographic projection of the film bridge on the substrate.

The present disclosure provides a phase shifter and a manufacturing method thereof, and an antenna. The phase shifter includes a first substrate including a reference electrode, and a second substrate including a delay line and a bias line. An orthographic projection of the bias line on the first substrate and that of the delay line, at least partially overlap with that of the reference electrode respectively. The orthographic projection of the bias line on the first substrate does not overlap with that of the delay line. The delay line is used for transmitting a microwave signal and defining a microwave transmission region. When electrical signals are applied to the reference electrode, the delay line and the bias line, electric field areas formed respectively between the reference electrode and the delay line, and between the reference electrode and the bias line, cover the microwave transmission region.

The present disclosure provides a phase shifter and a manufacturing method thereof, and an antenna. The phase shifter includes a first substrate and a second substrate, and a medium layer arranged between them. The first substrate includes a reference electrode arranged on a side of a first base substrate close to the medium layer, and the second substrate includes a delay line arranged on a side of a second base substrate close to the medium layer. An orthographic projection on the first substrate of the delay line at least partially overlaps with that of the reference electrode. A line spacing and/or a line width of the delay line is enable to make a cell thickness between the first substrate and the second substrate be 20 μm-75 μm.

Base station antennas include a RET actuator, a plurality of phase shifters and a plurality of mechanical linkages, where each mechanical linkage is connected between the RET actuator and a respective one or more of the phase shifters. The RET actuator includes a rotary drive element movable in a first rotary direction and a second rotary direction. A first drive system is connected between the rotary drive element and the first mechanical linkage The first drive system moves the first mechanical linkage in a first linear direction and a second linear direction when the rotary drive element is moved in the first rotary direction. A second drive system connected between the rotary drive element and the second mechanical linkage. The second drive system moves the second mechanical inkage in a third linear direction and a fourth linear direction when the rotary drive element is moved in the second rotary direction.

The present invention relates to the field of communications technologies and discloses a phase shifter and a feed network. The phase shifter includes at least one phase shift component. The phase shift component includes a substrate, a microstrip coupling structure disposed on a first plane of the substrate, a microstrip transmission line connected to and coplanar with the microstrip coupling structure, and a microstrip/coplanar-waveguide coupling structure, where the microstrip/coplanar-waveguide coupling structure includes a microstrip connected to and coplanar with the microstrip transmission line, and a coplanar waveguide disposed opposite to the microstrip on the substrate and coupled with the microstrip. A phase shifter using a microstrip/coplanar-waveguide coupling structure has a small volume and costs low, thereby facilitating feed network design.