CN106505281A - A kind of miniaturization single step mode phase shifter - Google Patents
A kind of miniaturization single step mode phase shifter Download PDFInfo
- Publication number
- CN106505281A CN106505281A CN201611226333.1A CN201611226333A CN106505281A CN 106505281 A CN106505281 A CN 106505281A CN 201611226333 A CN201611226333 A CN 201611226333A CN 106505281 A CN106505281 A CN 106505281A
- Authority
- CN
- China
- Prior art keywords
- earth plate
- medium
- slide block
- metal band
- shaped line
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
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Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01P—WAVEGUIDES; RESONATORS, LINES, OR OTHER DEVICES OF THE WAVEGUIDE TYPE
- H01P1/00—Auxiliary devices
- H01P1/18—Phase-shifters
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q3/00—Arrangements for changing or varying the orientation or the shape of the directional pattern of the waves radiated from an antenna or antenna system
- H01Q3/26—Arrangements for changing or varying the orientation or the shape of the directional pattern of the waves radiated from an antenna or antenna system varying the relative phase or relative amplitude of energisation between two or more active radiating elements; varying the distribution of energy across a radiating aperture
- H01Q3/30—Arrangements for changing or varying the orientation or the shape of the directional pattern of the waves radiated from an antenna or antenna system varying the relative phase or relative amplitude of energisation between two or more active radiating elements; varying the distribution of energy across a radiating aperture varying the relative phase between the radiating elements of an array
- H01Q3/32—Arrangements for changing or varying the orientation or the shape of the directional pattern of the waves radiated from an antenna or antenna system varying the relative phase or relative amplitude of energisation between two or more active radiating elements; varying the distribution of energy across a radiating aperture varying the relative phase between the radiating elements of an array by mechanical means
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- Variable-Direction Aerials And Aerial Arrays (AREA)
Abstract
The present invention relates to a kind of miniaturization single step mode phase shifter, including lower earth plate, be installed to the upper earth plate of lower earth plate and the first phase shift power division network between lower earth plate and upper earth plate and the second phase shift power division network, first, second phase shift power division network along lower earth plate longitudinally displaced setting and along the transversely arranged of lower earth plate；First phase shift power division network includes that the first metal band-shaped line and the first medium slide block for being installed to lower earth plate, first medium slide block are arranged on the first metal band-shaped line and can slide along the horizontal direction of the first metal band-shaped line；Second phase shift power division network includes that the second metal band-shaped line and the second medium slide block for being installed to lower earth plate, second medium slide block are arranged on the second metal band-shaped line and can slide along the horizontal direction of the second metal band-shaped line；First, second medium slide block mutually staggers along the longitudinal direction of lower earth plate.Present configuration is compact, small volume, lightweight, and there is preferable magnitude-phase characteristics.
Description
【Technical field】
The present invention relates to antenna of mobile communication base station technical field, more particularly, to a kind of miniaturization single step mode phase shifter.
【Background technology】
In recent years, with the sharp increase of mobile subscriber's quantity, communication system is set to antenna in continuous renewal and dilatation
Meter proposes higher and higher requirement, on the one hand requires antenna wideband, multifrequency, will to meet the communication of multiple systems simultaneously
Ask；On the other hand require to realize the quantity that shared by multiple systems reduces antenna, to reduce the interference between antenna reduces cost.Phase shift
Core component of the device as electric tuning antenna of base station, its performance, size directly determine performance, size and the network of antenna for base station
Layout.At present, the single step mode phase shifter remains one of conventional phase shifter in electric tuning antenna of base station, single step mode phase shifter design
Key problem be exactly constantly optimize the phase shifter structure design, optimize phase shift power division network design so that the phase shifter tie
Structure is compact, small volume, lightweight, while with excellent magnitude-phase characteristics, with meet ultra-wideband miniaturization electric tuning antenna of base station and
The application demand of multifrequency electrical tilt antenna.
【Content of the invention】
It is an object of the invention to overcoming the shortcomings of above-mentioned technology, there is provided a kind of compact conformation, small volume, lightweight and have
There is the miniaturization single step mode phase shifter of preferable magnitude-phase characteristics.
A kind of single step mode phase shifter that the present invention is provided, including lower earth plate, be installed to the upper earth plate of lower earth plate with
And the first phase shift power division network and the second phase shift power division network between lower earth plate and upper earth plate, described first,
Two phase shift power division networks along the lower earth plate longitudinally displaced setting and along the transversely arranged of the lower earth plate；Described first
Phase shift power division network includes the first metal band-shaped line and the first medium slide block for being installed to the lower earth plate, the first medium
Slide block is arranged on the described first metal band-shaped line and can slide along the horizontal direction of the described first metal band-shaped line；Described second
Phase shift power division network includes the second metal band-shaped line and the second medium slide block for being installed to the lower earth plate, the second medium
Slide block is arranged on the described second metal band-shaped line and can slide along the horizontal direction of the described second metal band-shaped line；Described
First, second medium slide block mutually staggers along the longitudinal direction of the lower earth plate.
Further, also include that the pull bar for being installed to the lower earth plate, the pull bar are located at first, second phase shift
Between power division network, and can along the longitudinal sliding motion of the lower earth plate, and be provided with respectively with the first, second medium slide block pair
First for answering is oriented to skewed slot, the second guiding skewed slot.
Further, in the first, second medium slide block, each medium slide block includes being connected to one by connector
, there is gap to house corresponding to for the pull bar between the upper medium block and lower medium block in the upper medium block for rising and lower medium block
Part and corresponding metal band-shaped line, the connector of the first medium slide block are located in corresponding described first and are oriented to skewed slot
In, the connector of the second medium slide block is located in corresponding described second and is oriented in skewed slot；The lower medium block is away from institute
The side for stating pull bar is provided with transverse groove, and the lower earth plate is provided with keeper corresponding with the transverse groove, and the keeper is stretched
Enter in the corresponding transverse groove；When the pull bar is along the longitudinal sliding motion of the lower earth plate, can drive described first respectively,
Second medium slide block is oriented to skewed slot along corresponding described first, second and slides.
Further, described first be oriented to skewed slot, second be oriented to skewed slot incline direction conversely, so that described first,
Second medium slide block is slided in the opposite direction.
Further, one end of the pull bar is provided with handle, and the handle is stretched out outside the lower earth plate.
Further, the pull bar is respectively arranged at two ends with locating slot, and the lower earth plate is provided with and the locating slot pair
The pull bar keeper that answers, the pull bar keeper are located in the corresponding locating slot, and the pull bar can be along the locating slot
Longitudinal sliding motion on the lower earth plate.
Further, the connector includes being arranged on the alignment pin of the upper medium block and is arranged on the lower medium block
Locating shaft, the locating shaft has location hole, and the alignment pin is coordinated with the location hole.
Further, the first phase shift power division network also includes the first feeder line being connected with the described first metal band-shaped line
Seat, the second phase shift power division network also include the second feeder block being connected with the described second metal band-shaped line, described first, the
The top and bottom of two feeder blocks abut to the upper earth plate and lower earth plate respectively；The first, second feeder block difference
It is installed together by securing member with the upper earth plate and lower earth plate.
Further, described first, second metal band-shaped line is installed to the lower earth plate by fixture respectively.
Further, the fixture includes that felt pad and insulating part, the felt pad have and insulating part cooperation
Pilot hole.
Small volume of the present invention, lightweight, compact conformation, low cost, and there is preferably magnitude-phase characteristics, ultra-wideband can be met
Miniaturization electric tuning antenna of base station and the application demand of multifrequency electrical tilt antenna.
【Description of the drawings】
A kind of schematic diagram of miniaturization single step mode phase shifter that Fig. 1 is provided for the present invention；
Fig. 2 is the separate schematic diagram of upper earth plate of the phase shifter of miniaturization single step mode shown in Fig. 1；
Fig. 3 is the separate partial schematic diagram of upper earth plate of the phase shifter of miniaturization single step mode shown in Fig. 1；
Fig. 4 is the schematic diagram of the pull bar of the phase shifter of miniaturization single step mode shown in Fig. 1；
Fig. 5 is the subassembly schematic diagram of the metal band-shaped line with medium slide block of the phase shifter of miniaturization single step mode shown in Fig. 1；
Fig. 6 is the subassembly schematic diagram of the pull bar with medium slide block of the phase shifter of miniaturization single step mode shown in Fig. 1；
Fig. 7 is the local before the medium slide block of the phase shifter of miniaturization single step mode shown in Fig. 1 slides and after the slip of medium slide block
Schematic diagram；
Fig. 8 is the subassembly schematic diagram of the metal band-shaped line with lower earth plate of the phase shifter of miniaturization single step mode shown in Fig. 1.
【Specific embodiment】
The invention will be further described with reference to the accompanying drawings and examples.
With reference to a kind of miniaturization single step mode phase shifter that Fig. 1, Fig. 2 and Fig. 3, the present invention are provided, including lower earth plate 1, peace
Be attached to lower earth plate 1 upper earth plate 2 and the first phase shift power division network 3 between lower earth plate 1 and upper earth plate 2,
Second phase shift power division network 4, pull bar 5.The pcb board that lower earth plate 1 and upper earth plate 2 are all metal ground plate or cover copper.This reality
Apply in example, the first phase shift power division network 3 is identical with the structure of the second phase shift power division network 4.Certainly, the first phase shift power division network 3
Can differ with the structure of the second phase shift power division network 4.First phase shift power division network 3 and the second phase shift power division network 4 may be used also
Multiple to be respectively set to.
First phase shift power division network 3, the second phase shift power division network 4 are connect along the longitudinally displaced setting of lower earth plate 1 and under edge
Floor 1 transversely arranged.General by the way of longitudinal direction is arranged side by side between the phase shift power division network of prior art, this kind of design
So that the lateral dimension of phase shifter is larger, do not apply in the middle of miniature antenna and multifrequency antenna, and the phase shift work(subnetting of the present invention
Between network by the way of longitudinally displaced setting, can greatly reduce the lateral dimension of phase shifter so that the volume of phase shifter is more
Little, more compact structure.First phase shift power division network 3 includes the first metal band-shaped line 31, first medium for being installed to lower earth plate 1
Slide block 32 and the first feeder block 33.First medium slide block 32 is arranged on the first metal band-shaped line 31 and can be metal band-shaped along first
The horizontal direction of line 31 slides.Second phase shift power division network 4 include being installed to the second metal band-shaped line 41 of lower earth plate 1,
Second medium slide block 42 and the second feeder block 43.Second medium slide block 42 is arranged on the second metal band-shaped line 41 and can be along the second gold medal
The horizontal direction of category strip line 41 slides.First medium slide block 32, the quantity of second medium slide block 42 can be set according to practical situation
Fixed.First medium slide block 32, second medium slide block 42 mutually stagger along the longitudinal direction of lower earth plate 1.First feeder block 33 and first
Metal band-shaped line 31 connects, and the top and bottom of the first feeder block 33 abut to earth plate 2 and lower earth plate 1 respectively.First
2 times earth plates of feeder block 33 and upper earth plate 1 are installed together by securing member.Specifically, securing member includes screw and nut,
Screw is sequentially passed through, so as to by upper earth plate 2, the
One feeder block 33 and lower earth plate 1 are installed together, and the second feeder block 43 is connected with the second metal band-shaped line 41, the second feeder block
43 top and bottom abut to earth plate 2 and lower earth plate 1 respectively.Second feeder block 43 and upper earth plate 2, lower earth plate
1 is installed together by securing member.The side that second feeder block 43, upper earth plate 2 and lower earth plate 1 are installed together by securing member
Formula is identical with the mode for being installed together the first feeder block 33, upper earth plate 2 and lower earth plate 1, repeats no more here.
In conjunction with shown in Fig. 3 and Fig. 4, pull bar 5 is installed to lower earth plate 1, positioned at the first phase shift power division network 3, the second phase shift
Between power division network 4, and can be along the longitudinal sliding motion of lower earth plate 1.Pull bar 5 is provided with and is situated between with first medium slide block 32, second respectively
Matter slide block 42 corresponding first is oriented to skewed slot 51, second and is oriented to skewed slot 52.Pull bar 5 is respectively arranged at two ends with locating slot 54, under connect
Floor 1 is provided with and 54 corresponding pull bar keeper 11 of locating slot, and pull bar keeper 11 is located in corresponding locating slot 54, pull bar
5 can be along the longitudinal sliding motion on lower earth plate 1 of locating slot 54.Wherein, one end of pull bar 5 is provided with handle 53, is integrated into pull bar 5
Type, handle 53 are stretched out outside lower earth plate 1, convenient pulling pull bar 5.
In conjunction with shown in Fig. 5 and Fig. 6, in first medium slide block 32, second medium slide block 42, each medium slide block includes leading to
Cross upper medium block 321 and lower medium block 322 that connector links together.Exist between upper medium block 321 and lower medium block 322
Gap is housing the corresponding part and corresponding metal band-shaped line of pull bar 5.It is right that the connector of first medium slide block 32 is located in
In the first guiding skewed slot 51 that answers, the connector of second medium slide block 42 is located in corresponding second and is oriented in skewed slot 52.Lower Jie
Mass 322 is provided with transverse groove 3221 away from the side of pull bar 5, and lower earth plate 1 is provided with and 3221 corresponding keeper 35 of transverse groove,
Keeper 35 is stretched in corresponding transverse groove 3221.Transverse groove 3221 is located at the middle part of lower medium block 322.When pull bar 5 is connect under
During the longitudinal sliding motion on floor 1, keeper 35 limits corresponding medium slide block vertically moving along lower ground fishplate bar 1, thus even
In the presence of fitting, pull bar 5 only drives first medium slide block 32, second medium slide block 42 to be oriented to skewed slot along corresponding first respectively
51st, the second guiding skewed slot 52 slides, and makes first medium slide block 32, second medium slide block 42 respectively along the first metal tape so as to reach
The effect that shape line 31, the horizontal direction of the second metal band-shaped line 41 slide, changes first medium slide block 32, second medium to reach
The overlay capacity respectively on the first metal band-shaped line 31, the second metal band-shaped line 41 of block 41 come change the first metal band-shaped line 31,
The effective dielectric constant of the second metal band-shaped line 41, so that realize the function of changing phase place.
Connector includes the alignment pin 323 for being arranged on medium block 321 and the locating shaft 324 for being arranged on lower medium block 322,
Locating shaft 324 has location hole, and alignment pin 323 is coordinated with location hole, so as to connect upper medium block 321 and lower medium block 322
Together.Connector can also include the locating shaft for being for example arranged on medium block 321 and be arranged on the 322 of lower medium block determining
There is location hole, alignment pin to be coordinated with location hole for position pin, locating shaft.
In the present embodiment, first is oriented to skewed slot 51, second is oriented to the incline direction of skewed slot 52 conversely, so that first medium
Slide block 32, second medium slide block 42 are slided in the opposite direction.So when pull bar 5 is along the longitudinal sliding motion of lower earth plate 1, first
Medium slide block 32, second medium slide block 42 are oriented to skewed slot 51, second along corresponding first and are oriented to after the slip of skewed slot 52, first medium
The distance between slide block 32, second medium slide block 42 will not be very big, can further reduce the longitudinal size of phase shifter, reduce
Volume.
In the present embodiment, first is oriented to skewed slot 51, second is oriented to skewed slot 52 respectively two.Corresponding, first medium is slided
The connector of block 32, the connector of second medium slide block 42 are also two, respectively by the two ends of corresponding upper medium block 321 with
The two ends of medium block 322 link together.In each medium slide block, as shown in fig. 6, one of connector includes being arranged on
The alignment pin 323 of 321 one end of medium block and the locating shaft 324 of the corresponding one end of lower medium block 322 is arranged on, another connector bag
Include the locating shaft 324 for being arranged on 321 other end of medium block and the alignment pin 323 for being arranged on the corresponding other end of lower medium block 322.
Two connectors of first medium slide block 32 are located in two first respectively and are oriented in skewed slot 51, two of second medium slide block 42
Connector is located in two second respectively and is oriented in skewed slot, and such first medium slide block 32, second medium slide block 42 are along corresponding
First is oriented to skewed slot 51, second is oriented to when skewed slot 52 slides just relatively steadily.
The left side of Fig. 7 be first medium slide block 32, second medium slide block 42 respectively in the first metal band-shaped line 31, the second gold medal
Partial schematic diagram on category strip line 41 when not sliding, the right side of Fig. 7 is first medium slide block 32, second medium slide block 42 the
Partial schematic diagram after sliding on one metal band-shaped line 31, the second metal band-shaped line 41.First medium slide block 32 is in the first metal
The first metal band-shaped line 31 is completely covered when not sliding on strip line 31, and second medium slide block 42 is on the second metal band-shaped line 41
The second metal band-shaped line 41 is completely covered when not sliding.When pull pull bar 5 handle 53, make pull bar 5 along the longitudinal direction of lower earth plate 1
During slip, pull bar 5 drives first medium slide block 32, second medium slide block 42 to be oriented to skewed slot 51, second along corresponding first and is oriented to
Skewed slot 52 slides, so as to reach first medium slide block 32, second medium slide block 42 along the first metal band-shaped line 31, the second metal tape
The effect that the horizontal direction of shape line 41 slides, makes first medium slide block 32, second medium slide block 42 be fully removed the first metal tape
Shape line 31, the second metal band-shaped line 41, by change overlay capacity of the first medium slide block 32 on the first metal band-shaped line 31, the
Overlay capacity of the second medium slide block 42 on the second metal band-shaped line 41 is changing the first metal band-shaped line 31, the second metal band-shaped line
41 effective dielectric constant, changes the phase place of each output port, to realize the function of adjusting tilted angle of antenna.
With reference to Fig. 8, the first metal band-shaped line 31, the second metal band-shaped line 41 are installed to lower ground connection by fixture 34 respectively
Plate 1.Fixture 34 includes felt pad 341 and insulating part 342.In the first metal band-shaped line 31 of concrete installation, first by felt pad
341 lower end is installed in the installing hole of lower earth plate 1, the upper end that the first metal band-shaped line 31 is fitted to felt pad 341, will
Insulating part 342 is coordinated through the first metal band-shaped line 31 with felt pad 341, is connect so as to the first metal band-shaped line 31 to be installed to down
Floor 1, the first metal band-shaped line 31 have the through hole passed through for insulating part 342.Install the method for the second metal band-shaped line 41 with
The method for installing the first metal band-shaped line 31 is identical, repeats no more here.Preferably, felt pad 341 be a plastic mattress, insulating part
342 is a continuously connected fastener.
Present configuration is simple, small volume, it is easy to assemble, and stable performance, cost are relatively low, and has preferably width mutually special
Property, the application demand of ultra-wideband miniaturization electric tuning antenna of base station and multifrequency electrical tilt antenna can be met.
Above example only expresses the preferred embodiment of the present invention, and its description is more concrete and detailed, but can not
Therefore the restriction to the scope of the claims of the present invention is interpreted as.It should be pointed out that for the person of ordinary skill of the art,
Without departing from the inventive concept of the premise, some deformations and improvement can also be made, such as to each embodiment in difference special
Levy and be combined, these belong to protection scope of the present invention.
Claims (10)
1. a kind of single step mode phase shifter, including lower earth plate, it is installed to the upper earth plate of lower earth plate and is located at lower earth plate
The first phase shift power division network and the second phase shift power division network and upper earth plate between, it is characterised in that：Described first, second moves
Phase power division network along the lower earth plate longitudinally displaced setting and along the transversely arranged of the lower earth plate；First phase shift
Power division network includes the first metal band-shaped line and the first medium slide block for being installed to the lower earth plate, the first medium slide block
It is arranged on the described first metal band-shaped line and can slides along the horizontal direction of the described first metal band-shaped line；Second phase shift
Power division network includes the second metal band-shaped line and the second medium slide block for being installed to the lower earth plate, the second medium slide block
It is arranged on the described second metal band-shaped line and can slides along the horizontal direction of the described second metal band-shaped line；Described first,
Second medium slide block mutually staggers along the longitudinal direction of the lower earth plate.
2. miniaturization single step mode phase shifter according to claim 1, it is characterised in that：Also include being installed to the lower ground connection
The pull bar of plate, the pull bar are located between the first, second phase shift power division network, and can be sliding along the longitudinal direction of the lower earth plate
Dynamic, and it is provided with the first guiding skewed slot corresponding with the first, second medium slide block, the second guiding skewed slot respectively.
3. miniaturization single step mode phase shifter according to claim 2, it is characterised in that：The first, second medium slide block
In, each medium slide block includes the upper medium block linked together by connector and lower medium block, the upper medium block and
There is gap to house the corresponding part and corresponding metal band-shaped line of the pull bar, the first medium between lower medium block
The connector of slide block is located in corresponding described first and is oriented in skewed slot, and the connector of the second medium slide block is located in and corresponds to
Described second be oriented to skewed slot in；The lower medium block is provided with transverse groove away from the side of the pull bar, and the lower earth plate sets
There are keeper corresponding with the transverse groove, the keeper to stretch in the corresponding transverse groove；When the pull bar is along described
During the longitudinal sliding motion of lower earth plate, the first, second medium slide block can be driven respectively to be oriented to along corresponding described first, second
Skewed slot slides.
4. miniaturization single step mode phase shifter according to claim 3, it is characterised in that：Described first be oriented to skewed slot, second
The incline direction of skewed slot is oriented to conversely, so that the first, second medium slide block is slided in the opposite direction.
5. miniaturization single step mode phase shifter according to claim 2, it is characterised in that：One end of the pull bar is provided with handss
Handle, the handle are stretched out outside the lower earth plate.
6. miniaturization single step mode phase shifter according to claim 2, it is characterised in that：The pull bar is respectively arranged at two ends with
Locating slot, the lower earth plate are provided with pull bar keeper corresponding with the locating slot, and the pull bar keeper is located in corresponding
The locating slot in, the pull bar can be along locating slot longitudinal sliding motion on the lower earth plate.
7. miniaturization single step mode phase shifter according to claim 3, it is characterised in that：The connector includes being arranged on institute
The alignment pin for stating medium block and the locating shaft for being arranged on the lower medium block, the locating shaft have location hole, the positioning
Pin is coordinated with the location hole.
8. miniaturization single step mode phase shifter according to right 1, it is characterised in that：The first phase shift power division network also includes
The first feeder block being connected with the described first metal band-shaped line, the second phase shift power division network are also included and second metal
Second feeder block of strip line connection, the top and bottom of first, second feeder block abut to the upper earth plate respectively
With lower earth plate；First, second feeder block is arranged on one with the upper earth plate and lower earth plate by securing member respectively
Rise.
9. miniaturization single step mode phase shifter according to claim 1, it is characterised in that：Described first, second is metal band-shaped
Line is installed to the lower earth plate by fixture respectively.
10. miniaturization single step mode phase shifter according to claim 9, it is characterised in that：The fixture includes felt pad
And insulating part, the felt pad is with the pilot hole coordinated with the insulating part.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611226333.1A CN106505281A (en) | 2016-12-27 | 2016-12-27 | A kind of miniaturization single step mode phase shifter |
| PCT/CN2017/085880 WO2018120618A1 (en) | 2016-12-27 | 2017-05-25 | Miniaturised single-step phase shifter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611226333.1A CN106505281A (en) | 2016-12-27 | 2016-12-27 | A kind of miniaturization single step mode phase shifter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106505281A true CN106505281A (en) | 2017-03-15 |
Family
ID=58334230
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201611226333.1A Pending CN106505281A (en) | 2016-12-27 | 2016-12-27 | A kind of miniaturization single step mode phase shifter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106505281A (en) |
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| WO2018120618A1 (en) * | 2016-12-27 | 2018-07-05 | 深圳国人通信股份有限公司 | Miniaturised single-step phase shifter |
| CN109546268A (en) * | 2018-11-30 | 2019-03-29 | 广东晖速通信技术股份有限公司 | A kind of dielectric-slab structure of dielectric phase shifter |
| WO2022033254A1 (en) * | 2020-08-12 | 2022-02-17 | 昆山恩电开通信设备有限公司 | High-performance cavity phase shifter applied to 5g system |
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| WO2014094202A1 (en) * | 2012-12-17 | 2014-06-26 | 广东博纬通信科技有限公司 | Equiphase differential beamforming apparatus |
| CN103199322A (en) * | 2013-04-01 | 2013-07-10 | 华为技术有限公司 | Phase shifter and antenna |
| CN203481376U (en) * | 2013-09-26 | 2014-03-12 | 纬创资通股份有限公司 | Switching antenna module and wireless communication device |
| CN103825070A (en) * | 2014-03-14 | 2014-05-28 | 江苏捷士通射频系统有限公司 | Ultra-wide-band miniaturized phase shifter unit and linkage mechanism thereof |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2018120618A1 (en) * | 2016-12-27 | 2018-07-05 | 深圳国人通信股份有限公司 | Miniaturised single-step phase shifter |
| CN109546268A (en) * | 2018-11-30 | 2019-03-29 | 广东晖速通信技术股份有限公司 | A kind of dielectric-slab structure of dielectric phase shifter |
| WO2022033254A1 (en) * | 2020-08-12 | 2022-02-17 | 昆山恩电开通信设备有限公司 | High-performance cavity phase shifter applied to 5g system |
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Application publication date: 20170315 |