Abstract: A base station antenna including a substrate, a plurality of oscillators, a control assembly, and a dielectric plate is provided. The substrate includes a first surface and a second surface disposed opposite to the first surface. The plurality of oscillators are disposed on the first surface of the substrate. The control assembly is disposed on the second surface of the substrate and electrically connected to the plurality of oscillators. The dielectric plate is disposed corresponding to the first surface of the substrate, and the plurality of oscillators are disposed between the first surface and the dielectric plate. Through the above arrangement, the base station antenna can have lower construction cost and debugging labor cost, and can eliminate influences of an antenna cover on antenna radiation performance at the same time.

Abstract: Disclosed is a feed network, which includes a printed circuit board, two microstrip power dividers and two microstrip combiners, and the two microstrip power dividers and two microstrip combiners arranged on the printed circuit board. A microstrip structure of each microstrip power divider is configured to realize impedance matching. Input ends of the two microstrip power divider are configured as two input ends of the feed network, two input ends of each microstrip combiner are respectively connected to one output end of each microstrip power divider, and output ends of the two microstrip combiners are configured as two output ends of the feed network, so that a multiple-input multiple-output feed network is realized. Therefore, when the feed network is applied to a base station antenna, all the radiation units are arranged in a linear matrix to achieve the effect of miniaturization of the base station antenna.

Abstract: An oscillator antenna unit and an antenna are disclosed. The oscillator antenna comprises a plurality of oscillator arms and a guiding sheet. The plurality of oscillator arms extend outwards along a middle axle of the oscillator antenna unit and are arranged at an interval from one another. Extension directions of the oscillator arms form a first plane, and the guiding sheet parallel to the first plane is arranged above the oscillator arms and has a predetermined interval therewith. The antenna comprises at least two oscillator antenna units arranged in an array. Therefore, the technical solution of the embodiment of the present disclosure may improve the isolation and achieve a better decoupling effect.

Abstract: The present disclosure provides a phase shifting device and a base station antenna. The phase shifting device comprises a driving module, a transmission rack plate, and a plurality of annular phase shifters. The driving module comprises a transmission rod. The transmission rack plate comprises a transmission nut, through which the transmission rack plate is pivotally connected to the transmission rod of the driving module. The plurality of annular phase shifters are disposed on the periphery of the transmission rack plate at intervals and are respectively engaged with the transmission rack plate. The rotation of the transmission rod drives the transmission nut to move back and forth on the transmission rod, and along with the back and forth movement of the transmission nut, the transmission rack plate drives the plurality of annular phase shifters to rotate.

Abstract: Disclosed is a base station antenna, which includes a substrate and an antenna sub-array. The antenna sub-array includes a feeding plate, a plurality of radiation units, and two metal baffles. The feeding plate is disposed on the substrate. The plurality of radiation units are disposed on the feeding plate along a first direction and electrically connected to the feeding plate. The two metal baffles are respectively disposed on two sides of the feeding plate along a second direction perpendicular to the first direction, and each metal baffle extends along the first direction. Each metal baffle is provided with an opening slot, and the length of the opening slot along the first direction corresponds to a wavelength of a center frequency of the base station antenna. Therefore, the base station antenna can achieve the technical effects of converging the horizontal beam width and optimizing the cross polarization ratio.

Abstract: An actuator includes a drive mechanism, a shift mechanism, a screw rod mechanism and a base. The drive mechanism includes a first output shaft and a second output shaft. The shift mechanism includes a gear bracket and a first transmission gear. The first transmission gear has a rotation center extending in a first direction. The screw rod mechanism includes a number of screw assemblies, and each screw assembly includes a push rod. The second output shaft is configured to be able to drive the gear bracket to move along a second direction, so that the first transmission gear is able to mate with different screw rod assemblies. The first output shaft is configured to be able to drive the first transmission gear to rotate around its own rotation center, and then drive the screw assembly to move, so as to move the push rod.

Abstract: The present disclosure provides a phase shifting device and a base station antenna. The phase shifting device comprises a driving module, a transmission rack plate, and a plurality of annular phase shifters. The driving module comprises a transmission rod. The transmission rack plate comprises a transmission nut, through which the transmission rack plate is pivotally connected to the transmission rod of the driving module. The plurality of annular phase shifters are disposed on the periphery of the transmission rack plate at intervals and are respectively engaged with the transmission rack plate. The rotation of the transmission rod drives the transmission nut to move back and forth on the transmission rod, and along with the back and forth movement of the transmission nut, the transmission rack plate drives the plurality of annular phase shifters to rotate.

Abstract: A base station antenna including a substrate, a plurality of oscillators, a control assembly, and a dielectric plate is provided. The substrate includes a first surface and a second surface disposed opposite to the first surface. The plurality of oscillators are disposed on the first surface of the substrate. The control assembly is disposed on the second surface of the substrate and electrically connected to the plurality of oscillators. The dielectric plate is disposed corresponding to the first surface of the substrate, and the plurality of oscillators are disposed between the first surface and the dielectric plate. Through the above arrangement, the base station antenna can have lower construction cost and debugging labor cost, and can eliminate influences of an antenna cover on antenna radiation performance at the same time.

Abstract: Disclosed is a base station antenna, which includes a substrate and an antenna sub-array. The antenna sub-array includes a feeding plate, a plurality of radiation units, and two metal baffles. The feeding plate is disposed on the substrate. The plurality of radiation units are disposed on the feeding plate along a first direction and electrically connected to the feeding plate. The two metal baffles are respectively disposed on two sides of the feeding plate along a second direction perpendicular to the first direction, and each metal baffle extends along the first direction. Each metal baffle is provided with an opening slot, and the length of the opening slot along the first direction corresponds to a wavelength of a center frequency of the base station antenna. Therefore, the base station antenna can achieve the technical effects of converging the horizontal beam width and optimizing the cross polarization ratio.

Abstract: Disclosed is a feed network, which includes a printed circuit board, two microstrip power dividers and two microstrip combiners, and the two microstrip power dividers and two microstrip combiners arranged on the printed circuit board. A microstrip structure of each microstrip power divider is configured to realize impedance matching. Input ends of the two microstrip power divider are configured as two input ends of the feed network, two input ends of each microstrip combiner are respectively connected to one output end of each microstrip power divider, and output ends of the two microstrip combiners are configured as two output ends of the feed network, so that a multiple-input multiple-output feed network is realized. Therefore, when the feed network is applied to a base station antenna, all the radiation units are arranged in a linear matrix to achieve the effect of miniaturization of the base station antenna.