CN201699109U - Phase shifter of base station electric-adjustable antenna - Google Patents
Phase shifter of base station electric-adjustable antenna Download PDFInfo
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- CN201699109U CN201699109U CN 201020172156 CN201020172156U CN201699109U CN 201699109 U CN201699109 U CN 201699109U CN 201020172156 CN201020172156 CN 201020172156 CN 201020172156 U CN201020172156 U CN 201020172156U CN 201699109 U CN201699109 U CN 201699109U
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- 239000000919 ceramic Substances 0.000 claims abstract description 51
- 230000007246 mechanism Effects 0.000 claims abstract description 25
- 239000000758 substrate Substances 0.000 claims description 36
- 239000000463 material Substances 0.000 claims description 9
- 229920003023 plastic Polymers 0.000 claims description 6
- 239000004033 plastic Substances 0.000 claims description 6
- 239000002184 metal Substances 0.000 claims description 2
- 230000008859 change Effects 0.000 abstract description 13
- 238000003780 insertion Methods 0.000 abstract description 5
- 230000037431 insertion Effects 0.000 abstract description 5
- 230000008901 benefit Effects 0.000 abstract description 3
- 229910010293 ceramic material Inorganic materials 0.000 abstract description 3
- 230000010363 phase shift Effects 0.000 description 22
- 238000000034 method Methods 0.000 description 13
- 230000005540 biological transmission Effects 0.000 description 9
- 230000000694 effects Effects 0.000 description 7
- 230000033001 locomotion Effects 0.000 description 5
- 230000008569 process Effects 0.000 description 5
- 238000013461 design Methods 0.000 description 4
- 230000009467 reduction Effects 0.000 description 3
- 230000002950 deficient Effects 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 230000001360 synchronised effect Effects 0.000 description 2
- 239000003989 dielectric material Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000007731 hot pressing Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 238000010295 mobile communication Methods 0.000 description 1
- 238000012797 qualification Methods 0.000 description 1
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Abstract
The utility model discloses a phase shifter of a base station electric-adjustable antenna, which comprises an upper base plate, a lower base plate, a feed network, a plurality of ceramic dielectric sheets and a sliding mechanism. The feed network is fixed between the upper base plate and the lower base plate, the ceramic dielectric sheets are fixed onto the sliding mechanism, and the sliding mechanism arranged between the upper base plate and the lower base plate drives the ceramic dielectric sheets to slide in the feed network. Accordingly, the phase shifter realizes phase shifting by adopting ceramic dielectric media as insertion media of the feed network and driving the ceramic dielectric sheets to slide at a plurality of positions in the feed network, has excellent intermodulation characteristic because of non-wireless electric connecting points of the phase shifter, is large in phase shifting dielectric constant by using the dielectric sheets made of ceramic materials, is capable of realizing larger phase shifting range, and has the advantages of smaller amplitude change, linear change of phase shifting volume and simpler structure.
Description
Technical field
The utility model relates to antenna of mobile communication base station and RF application, relates in particular to the phase shifter of a kind of base station electrical tilt antenna.
Background technology
Phase shifter is the critical component that is applied to the base station electrical tilt antenna, can change the beam scanning angle of array antenna, i.e. angle of declination.Be that the base station electrical tilt antenna can change the coverage of antenna beam flexibly by adjusting the phase shift position of phase shifter.
The passive phase shifter that is applied to the base station electrical tilt antenna has two kinds of implementation methods, and first method is to insert medium in feeder line, and this method is to insert medium in the process of electromagnetic transmission.Insert after the medium, can change the dielectric constant of transmission medium, thereby change electromagnetic wavelength, be equivalent to the variation of electromagnetic wave stroke, i.e. the variation of current feed phase.This method realizes simple, but because the introducing of medium can cause that feeder line changes by a relatively large margin and bigger insertion loss.Second method is the length that changes feeder line, comprises the length that increases or reduce feeder line, and this just directly increases or reduces electromagnetic stroke, thereby reaches the variation of current feed phase.Use second kind of implementation method, the feeder line changes in amplitude is little, the insertion loss is little, and still, some implementation method can make the amount of phase shift nonlinear change, and structure realizes complicated.And the passive phase shifter of the base station electrical tilt antenna of employing first method, its feeder line exists bigger changes in amplitude and bigger insertion loss, does not obtain effect preferably.
In summary, the phase shifter of existing base station electrical tilt antenna obviously exists inconvenience and defective on reality is used, so be necessary to be improved.
The utility model content
At above-mentioned defective, the purpose of this utility model is to provide the phase shifter of a kind of base station electrical tilt antenna, has good intermodulation characteristic to provide, the amount of phase shift linear change, bigger amount of phase shift, less changes in amplitude, and the comparatively simple ceramic dielectric phase shifter of structure.
To achieve these goals, the utility model provides the phase shifter of a kind of base station electrical tilt antenna, comprises upper substrate and infrabasal plate, and described phase shifter also comprises:
One feeding network is fixed between described upper substrate and the infrabasal plate;
A plurality of ceramic dielectric sheets are fixed on the slide mechanism;
One slide mechanism is arranged between described upper substrate and the infrabasal plate, and described slide mechanism drives described a plurality of ceramic dielectric sheet and slides in described feeding network.
According to the phase shifter of described base station electrical tilt antenna, described upper substrate and infrabasal plate are respectively equipped with at least one gathering sill; Described slide mechanism includes:
At least one slide block, described a plurality of ceramic dielectric sheets are fixed on the described slide block;
At least one sliding bolt is arranged on the described slide block, and is arranged in respectively on the gathering sill of described upper substrate and infrabasal plate;
At least one pair of fixed block is fixed between described upper substrate and the infrabasal plate, and is arranged at the both sides of described slide block respectively.
According to the phase shifter of described base station electrical tilt antenna, described slide mechanism also includes:
One pull bar is connected on the described sliding bolt;
At least one joint pin is fixed in the outer end of described each sliding bolt, and described pull bar is fixed on the described sliding bolt.
According to the phase shifter of described base station electrical tilt antenna, described pull bar is positioned at the top of described upper substrate.
According to the phase shifter of described base station electrical tilt antenna, described feeding network is provided with a master port and a plurality of branch feedback port, the external main feeder cable of described master port, and described branch feedback port is connected with each unit of described base station electrical tilt antenna respectively.
According to the phase shifter of described base station electrical tilt antenna, described feeding network is fixed on the described infrabasal plate by a plurality of fixtures, and described feeding network comprises at least one feed element.
According to the phase shifter of described base station electrical tilt antenna, described feeding network material is a metal; The material of described slide block and/or fixture is plastics.
According to the phase shifter of described base station electrical tilt antenna, the working frequency range of described phase shifter is 800MHz～1000MHz or 1700MHz～2200MHz.
According to the phase shifter of described base station electrical tilt antenna, described a plurality of ceramic dielectric sheets are fixed in the top and bottom of described slide block.
According to the phase shifter of described base station electrical tilt antenna, described a plurality of ceramic dielectric sheets are regular shape array arrangement in described feeding network.
The utility model inserts medium by adopting ceramic dielectric as feeding network, and drives a plurality of ceramic dielectric sheets many places in feeding network by a slide mechanism and slide, and has realized the phase shift at the phase shifter of base station electrical tilt antenna; And this phase shifter does not have non-linear electric connection point, has good intermodulation characteristic.In the utility model, owing to adopted ceramic material to insert medium as feeding network, the phase shift dielectric constant of phase shifter is big, can realize big phase shift range; In addition, special ceramic dielectric plate shape design has been played very big effect on the reduction changes in amplitude; And designing and producing of slide mechanism is simple, has simplified the manufacture craft of phase shifter.
Description of drawings
Fig. 1 be in the utility model the base station electrical tilt antenna at the structural representation of the phase shifter of 800MHz～1000MHz frequency range;
Fig. 2 a is that the base station electrical tilt antenna comprises one of structural representation of 5 unit feeding networks at the phase shifter of 800MHz～1000MHz frequency range in the utility model;
Fig. 2 b is two of the base station electrical tilt antenna comprises 5 unit feeding networks in the utility model at the phase shifter of 800MHz～1000MHz frequency range a structural representation;
Fig. 3 be in the utility model the base station electrical tilt antenna at the structural representation of the phase shifter of 1700MHz～2200MHz frequency range;
Fig. 4 a is that the base station electrical tilt antenna comprises one of structural representation of 6 unit feeding networks at the phase shifter of 1700MHz～2200MHz frequency range in the utility model; And
Fig. 4 b is two of the base station electrical tilt antenna comprises 6 unit feeding networks in the utility model at the phase shifter of 1700MHz～2200MHz frequency range a structural representation.
Embodiment
In order to make the purpose of this utility model, technical scheme and advantage clearer,, the utility model is further elaborated below in conjunction with drawings and Examples.Should be appreciated that specific embodiment described herein only in order to explanation the utility model, and be not used in qualification the utility model.
Basic thought of the present utility model is: adopt the insertion medium of ceramic dielectric as feeding network, and drive a plurality of ceramic dielectric sheets by a slide mechanism and slide in feeding network, realized the big phase shift range of the phase shifter of base station electrical tilt antenna.
The utility model provides the phase shifter 1 of a kind of base station electrical tilt antenna, comprises upper substrate 11 and infrabasal plate 12, and this phase shifter 1 also comprises a feeding network 13, a slide mechanism and a plurality of ceramic dielectric sheet 14.One feeding network 13 is fixed between upper substrate 11 and the infrabasal plate 12; Feeding network 13 materials are preferably metal material.Be more preferably, feeding network 13 is fixed on the infrabasal plate 12 by a plurality of fixtures 154, and feeding network 13 comprises at least one feed element.This fixture 154 can be screw, pin etc.A plurality of ceramic dielectric sheets 14 are fixed on the slide mechanism.Slide mechanism is arranged between upper substrate 11 and the infrabasal plate 12, and slide mechanism drives a plurality of ceramic dielectric sheets 14 and slides everywhere at feeding network 13.
Ceramic dielectric sheet 14 is to be applied in the microwave frequency band circuit as dielectric material and to finish the pottery of one or more functions, is mainly used in as microwave devices such as resonator, filter, dielectric antenna, medium guided wave loops as microwave-medium ceramics.The employing of ceramic dielectric sheet 14 makes the phase shifter 1 of base station electrical tilt antenna have high stability, high reliability and low-loss advantage.
In the utility model, the upper substrate 11 and the infrabasal plate 12 of the phase shifter 1 of base station electrical tilt antenna belong to reflecting plate.Phase shifter 1 is placed between upper substrate 11 and the infrabasal plate 12, and phase shifter 1 is banded wire, constitutes the strip line scheme.A plurality of ceramic dielectric sheets 14 slide in feeding network 13 by the drive of slide mechanism.When a plurality of ceramic dielectric sheets 14 slide on feeding network 13, change has taken place in transmission medium, originally the transmission medium that was air is because the intervention of ceramic dielectric sheet 14, change has taken place in dielectric constant, thereby changed the wavelength of transmission signals, be the corresponding change of transmission distance of signal, the phase place of signal changes immediately, realizes changing the effect of base station electrical tilt antenna phase place.
Referring to Fig. 1, Fig. 2 a and Fig. 2 b, in an embodiment of the present utility model, upper substrate 11 and infrabasal plate 12 are respectively equipped with at least one gathering sill 151; Slide mechanism includes: at least one slide block 153, and a plurality of ceramic dielectric sheets 14 are fixed on the slide block 153; At least one sliding bolt 152 is arranged on the slide block 153, and is arranged in respectively on the gathering sill 151 of upper substrate 11 and infrabasal plate 12; At least one pair of fixed block 155 is fixed between upper substrate 11 and the infrabasal plate 12, and is arranged at the both sides of slide block 153 respectively.Fixed block 155 can be fixed in infrabasal plate 12 by the mode that is spirally connected.Can drive a slide block 153 slips by spurring a sliding bolt 152, and then drive a plurality of ceramic dielectric sheets 14 slips that are arranged at feeding network 13 1 places.
In a preferred embodiment of the present utility model, slide mechanism also includes: one is connected in the pull bar 156 on the described sliding bolt 152; And at least one outer end that is fixed in each sliding bolt 152, pull bar 156 is fixed on joint pin 157 on the sliding bolt 152.Preferably, arm-tie 156 is arranged at the top of upper substrate 11.
By pulling pull bar 156, can drive a plurality of ceramic dielectric sheets 14 that many places are in the feeding network 13 and slide simultaneously.At this moment, change has taken place in transmission medium in the feeding network 13, and change has taken place dielectric constant, thereby has changed the wavelength of transmission signals, changes the effect of base station electrical tilt antenna phase place.
Fig. 1 be in the utility model the base station electrical tilt antenna at the structural representation of the phase shifter of 800MHz～1000MHz frequency range.As shown in Figure 1, phase shifter 1 comprises: upper substrate 11 and infrabasal plate 12, feeding network 13, a plurality of ceramic dielectric sheets 14, a plurality of slide blocks 153, the sliding bolt 152 on a plurality of slide blocks 153, a plurality of fixed blocks 155, and the many groups gathering sill 151 that is separately positioned on upper substrate 11 and infrabasal plate 12.Feeding network 13 is fixed on the infrabasal plate 12 by the fixture 154 of plastic material.And fixed block 155 is fixed between upper substrate 11 and the infrabasal plate 12, and ceramic dielectric sheet 14 is fixed on the above and below of slide block 153.Ceramic dielectric sheet 14 can be one-body molded with slide block 153, and ceramic dielectric sheet 14 comprises hot pressing mode with slide block 153 integrated modes.Sliding bolt 152 on the slide block 153 passes the many groups gathering sill 151 on upper substrate 11 and the infrabasal plate 12, and slides in many group gathering sills 151, and with the motion of drive slide block 153, and then drive ceramic dielectric sheet 14 slides.Fixed block 155 guarantees the spacing of upper substrate 11 and infrabasal plate 12, limits the scope of activities of slide block 153 simultaneously, makes slide block 153 moving linearlies, thereby guarantees that ceramic dielectric sheet 14 slides in feeding network 13.
Fig. 2 a and Fig. 2 b are that the base station electrical tilt antenna comprises the structural representation of 5 unit feeding networks at the 800MHz～phase shifter of 1000MHz frequency range in the utility model.Shown in Fig. 2 a and Fig. 2 b, phase shifter 1 comprises: upper substrate 11 and infrabasal plate 12, feeding network 13, a plurality of ceramic dielectric sheets 14, a plurality of slide blocks 153, the sliding bolt 152 on a plurality of slide blocks 153, a plurality of fixed blocks 155, and the many groups gathering sill 151 that is separately positioned on upper substrate 11 and infrabasal plate 12.
In addition, also comprise master port 16, a plurality of branch feedback port ones 71,172,173,174,175, arm-tie 156 is connected with slide block 153.Feeding network 13 is fixed on the infrabasal plate 12 by the fixture 154 of plastic material, and fixed block 155 is fixed between upper substrate 11 and the infrabasal plate 12, limits the glide direction of a plurality of slide blocks 153, guarantees the spacing of upper substrate 11 and infrabasal plate 12 simultaneously.Be installed with joint pin 157 on the sliding bolt 152 on each slide block 153, joint pin 157 is connected on the arm-tie 156 simultaneously, in the process of pulling arm-tie 156, drives each slide block 153 motions, thereby every ceramic dielectric sheet 14 all is synchronized with the movement in feeding network 13.Preferably, the material of joint pin 157 is plastics.
In this embodiment, described base station electrical tilt antenna working frequency range is 800MHz～1000MHz frequency range, and described feeding network 13 is 5 unit transmission networks.Wherein, master port 16 is used for being connected with the main feeder cable of described base station electrical tilt antenna; A plurality of branch feedback ports comprise branch feedback port one 71,172,173,174,175, are used for being connected with each unit of described base station electrical tilt antenna.In the process that the phase shifter 1 of base station electrical tilt antenna is worked, if dividing the amount of phase shift of feedback port one 73 is 0, dividing the amount of phase shift of feedback port one 72 is θ, and then dividing the amount of phase shift of feedback port one 71 is 2 θ, divide the amount of phase shift of feedback port one 74 to be-θ, dividing the amount of phase shift of feedback port one 75 is-2 θ.
Fig. 3 be in the utility model the base station electrical tilt antenna at the structural representation of the phase shifter of 1700MHz～2200MHz frequency range.As shown in Figure 3, the structure of the phase shifter 1 of the base station electrical tilt antenna among this embodiment is identical at the structure design principle of the phase shifter 1 of the base station electrical tilt antenna of 800MHz～1000MHz frequency range with the base station electrical tilt antenna, comprise: upper substrate 11 and infrabasal plate 12, feeding network 13, more than 14 slide block 153 of a plurality of ceramic dielectric sheets, sliding bolt 152 on a plurality of slide blocks 153, a plurality of fixed blocks 155, and the many groups gathering sill 151 that is separately positioned on upper substrate 11 and infrabasal plate 12.And the shape difference of feeding network 13 and a plurality of ceramic dielectric sheets 14, and this phase shifter 1 has and comprises 6 unit feeding networks 13.But a plurality of ceramic dielectric sheets 14 of the phase shifter 1 of the base station electrical tilt antenna of two kinds of frequency ranges all are regular shape display in feeding network 13 arranges, and the shape of single ceramic dieelctric sheet 14 can be rectangle or polygon.The mode that a plurality of ceramic dielectric sheet 14 regular shapes displays are arranged comprises that the display on the direction up and down arranges, and maintenance and feeding network 13 be at same horizontal space, and keeps and feeding network 13 is arranged on the same straight line as far as possible.Special ceramic dielectric sheet 14 shaped design have played very big effect on reduction phase shifter 1 phase amplitude changes.Other concrete structure of phase shifter 1 describe with the foregoing description in identical, do not repeat them here.
Fig. 4 a and Fig. 4 b are that the base station electrical tilt antenna comprises the structural representation of 6 unit feeding networks at the 1700MHz～phase shifter of 2200MHz frequency range in the utility model.Shown in Fig. 4 a and Fig. 4 b, in this embodiment, described base station electrical tilt antenna working frequency range is 1700MHz～2200MHz frequency range, and phase shifter 1 also comprises master port 16, a plurality of branch feedback port ones 71,172,173,174,175, and arm-tie 156 is connected with slide block 153.Feeding network 13 is fixed on the infrabasal plate 12 by the fixture 154 of plastic material, and fixed block 155 is fixed between upper substrate 11 and the infrabasal plate 12, limits the glide direction of a plurality of slide blocks 153, guarantees the spacing of upper substrate 11 and infrabasal plate 12 simultaneously.Sliding bolt 152 on each slide block 153 is provided with joint pin 157, and joint pin 157 is connected on the arm-tie 156 simultaneously, in the process of pulling arm-tie 156, drives each slide block 153 motions, thereby every ceramic dielectric sheet 14 is synchronized with the movement in feeding network 13.
In addition, the phase shifter 1 that provides of the utility model comprises: be used for the master port 16 that is connected with the main feeder cable of described base station electrical tilt antenna; And a plurality of branches that are used for being connected with each unit of described base station electrical tilt antenna are presented port ones 71,172,173,174,175; In the process that the phase shifter 1 of base station electrical tilt antenna is worked, if dividing the amount of phase shift of feedback port one 73 is 0, dividing the amount of phase shift of feedback port one 72 is θ, then dividing the amount of phase shift of feedback port one 71 is 2 θ, divide the amount of phase shift of feedback port one 74 to be-θ, dividing the amount of phase shift of feedback port one 75 is-2 θ, and dividing the amount of phase shift of feedback port one 76 is-3 θ.
In sum, the utility model inserts medium by adopting ceramic dielectric as feeding network, and drives a plurality of ceramic dielectric sheets many places in feeding network by a slide mechanism and slide, and has realized the phase shift at the phase shifter of base station electrical tilt antenna; And this phase shifter does not have non-linear electric connection point, has good intermodulation characteristic.In the utility model, owing to adopted ceramic material to insert medium as feeding network, the phase shift dielectric constant of phase shifter is big, can realize big phase shift range; In addition, special ceramic dielectric plate shape design has been played very big effect on the reduction changes in amplitude; And designing and producing of slide mechanism is simple, has simplified the manufacture craft of phase shifter.
Certainly; the utility model also can have other various embodiments; under the situation that does not deviate from the utility model spirit and essence thereof; those of ordinary skill in the art work as can make various corresponding changes and distortion according to the utility model, but these corresponding changes and distortion all should belong to the protection range of the appended claim of the utility model.
Claims (10)
1. the phase shifter of a base station electrical tilt antenna comprises upper substrate and infrabasal plate, it is characterized in that, described phase shifter also comprises:
One feeding network is fixed between described upper substrate and the infrabasal plate;
A plurality of ceramic dielectric sheets are fixed on the slide mechanism;
One slide mechanism is arranged between described upper substrate and the infrabasal plate, and described slide mechanism drives described a plurality of ceramic dielectric sheet and slides in described feeding network.
2. the phase shifter of base station according to claim 1 electrical tilt antenna is characterized in that described upper substrate and infrabasal plate are respectively equipped with at least one gathering sill; Described slide mechanism includes:
At least one slide block, described a plurality of ceramic dielectric sheets are fixed on the described slide block;
At least one sliding bolt is arranged on the described slide block, and is arranged in respectively on the gathering sill of described upper substrate and infrabasal plate;
At least one pair of fixed block is fixed between described upper substrate and the infrabasal plate, and is arranged at the both sides of described slide block respectively.
3. the phase shifter of base station according to claim 2 electrical tilt antenna is characterized in that, described slide mechanism also includes:
One pull bar is connected on the described sliding bolt;
At least one joint pin is fixed in the outer end of described each sliding bolt, and described pull bar is fixed on the described sliding bolt.
4. the phase shifter of base station according to claim 3 electrical tilt antenna is characterized in that described pull bar is positioned at the top of described upper substrate.
5. the phase shifter of base station according to claim 1 electrical tilt antenna, it is characterized in that, described feeding network is provided with a master port and a plurality of branch feedback port, the external main feeder cable of described master port, and described branch feedback port is connected with each unit of described base station electrical tilt antenna respectively.
6. the phase shifter of base station according to claim 1 electrical tilt antenna is characterized in that described feeding network is fixed on the described infrabasal plate by a plurality of fixtures, and described feeding network comprises at least one feed element.
7. the phase shifter of base station according to claim 6 electrical tilt antenna is characterized in that, described feeding network material is a metal; The material of described slide block and/or fixture is plastics.
8. the phase shifter of base station according to claim 1 electrical tilt antenna is characterized in that, the working frequency range of described phase shifter is 800MHz～1000MHz or 1700MHz～2200MHz.
9. the phase shifter of base station according to claim 1 electrical tilt antenna is characterized in that, described a plurality of ceramic dielectric sheets are fixed in the top and bottom of described slide block.
10. the phase shifter of base station according to claim 1 electrical tilt antenna is characterized in that, described a plurality of ceramic dielectric sheets are regular shape array arrangement in described feeding network.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201020172156 CN201699109U (en) | 2010-04-21 | 2010-04-21 | Phase shifter of base station electric-adjustable antenna |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201020172156 CN201699109U (en) | 2010-04-21 | 2010-04-21 | Phase shifter of base station electric-adjustable antenna |
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| CN201699109U true CN201699109U (en) | 2011-01-05 |
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| CN 201020172156 Expired - Lifetime CN201699109U (en) | 2010-04-21 | 2010-04-21 | Phase shifter of base station electric-adjustable antenna |
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Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2014094509A1 (en) * | 2012-12-17 | 2014-06-26 | 广东博纬通信科技有限公司 | Phase-shifting unit module, manufacturing method therefor, phase-shifting device, and antenna |
| CN104051823A (en) * | 2014-06-06 | 2014-09-17 | 摩比天线技术（深圳）有限公司 | Phase shifter |
| CN104201440A (en) * | 2014-08-21 | 2014-12-10 | 摩比天线技术（深圳）有限公司 | Dielectric phase shifter of base station electric tunable antenna |
| CN105140600A (en) * | 2015-06-30 | 2015-12-09 | 安徽四创电子股份有限公司 | Miniaturized dielectric phase shifter group and antenna array feed network |
| CN105161797A (en) * | 2015-07-15 | 2015-12-16 | 安徽四创电子股份有限公司 | Miniaturized dielectric phase shifter |
| CN106129626A (en) * | 2016-08-15 | 2016-11-16 | 深圳慧联达科技有限公司 | The integrated voltage controlled phase shifter of ultra-wideband miniaturization |
| TWI565133B (en) * | 2014-05-23 | 2017-01-01 | Medium phase shifter | |
| CN106972267A (en) * | 2017-04-28 | 2017-07-21 | 广州司南天线设计研究所有限公司 | A kind of space multistory phase shifter applied to antenna for base station |
| CN106981706A (en) * | 2017-04-28 | 2017-07-25 | 广州司南天线设计研究所有限公司 | A kind of space multistory phase shifter of antenna for base station |
| CN107331968A (en) * | 2016-04-28 | 2017-11-07 | 罗森伯格技术（昆山）有限公司 | A kind of device and method for controlling aerial signal frequency range to switch |
| CN111381110A (en) * | 2018-12-29 | 2020-07-07 | 京信通信技术(广州)有限公司 | TD-LTE antenna synthetic beam testing device |
| WO2024087930A1 (en) * | 2022-10-28 | 2024-05-02 | 华为技术有限公司 | Feed network, phase shifter and antenna device |
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2010
- 2010-04-21 CN CN 201020172156 patent/CN201699109U/en not_active Expired - Lifetime
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| Publication number | Priority date | Publication date | Assignee | Title |
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| US9825607B2 (en) | 2012-12-17 | 2017-11-21 | Guangdong Broadradio Communication Technology Co., Ltd. | Phase-shifting unit module, manufacturing method therefor, phase-shifting device, and antenna |
| WO2014094509A1 (en) * | 2012-12-17 | 2014-06-26 | 广东博纬通信科技有限公司 | Phase-shifting unit module, manufacturing method therefor, phase-shifting device, and antenna |
| TWI565133B (en) * | 2014-05-23 | 2017-01-01 | Medium phase shifter | |
| CN104051823A (en) * | 2014-06-06 | 2014-09-17 | 摩比天线技术（深圳）有限公司 | Phase shifter |
| CN104201440A (en) * | 2014-08-21 | 2014-12-10 | 摩比天线技术（深圳）有限公司 | Dielectric phase shifter of base station electric tunable antenna |
| CN105140600A (en) * | 2015-06-30 | 2015-12-09 | 安徽四创电子股份有限公司 | Miniaturized dielectric phase shifter group and antenna array feed network |
| CN105140600B (en) * | 2015-06-30 | 2018-01-26 | 安徽四创电子股份有限公司 | Minimize dielectric phase shifter group and antenna array feeding network |
| CN105161797B (en) * | 2015-07-15 | 2018-03-02 | 安徽四创电子股份有限公司 | One kind miniaturization dielectric phase shifter |
| CN105161797A (en) * | 2015-07-15 | 2015-12-16 | 安徽四创电子股份有限公司 | Miniaturized dielectric phase shifter |
| CN107331968A (en) * | 2016-04-28 | 2017-11-07 | 罗森伯格技术（昆山）有限公司 | A kind of device and method for controlling aerial signal frequency range to switch |
| CN107331968B (en) * | 2016-04-28 | 2024-01-26 | 普罗斯通信技术（苏州）有限公司 | Device and method for controlling switching of antenna signal frequency bands |
| CN106129626A (en) * | 2016-08-15 | 2016-11-16 | 深圳慧联达科技有限公司 | The integrated voltage controlled phase shifter of ultra-wideband miniaturization |
| CN106981706A (en) * | 2017-04-28 | 2017-07-25 | 广州司南天线设计研究所有限公司 | A kind of space multistory phase shifter of antenna for base station |
| CN106972267A (en) * | 2017-04-28 | 2017-07-21 | 广州司南天线设计研究所有限公司 | A kind of space multistory phase shifter applied to antenna for base station |
| CN111381110A (en) * | 2018-12-29 | 2020-07-07 | 京信通信技术(广州)有限公司 | TD-LTE antenna synthetic beam testing device |
| WO2024087930A1 (en) * | 2022-10-28 | 2024-05-02 | 华为技术有限公司 | Feed network, phase shifter and antenna device |
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Granted publication date: 20110105 |