CN107681233B - Phase shifter - Google Patents
Phase shifter Download PDFInfo
- Publication number
- CN107681233B CN107681233B CN201711065329.6A CN201711065329A CN107681233B CN 107681233 B CN107681233 B CN 107681233B CN 201711065329 A CN201711065329 A CN 201711065329A CN 107681233 B CN107681233 B CN 107681233B
- Authority
- CN
- China
- Prior art keywords
- sub
- cavity
- cavities
- phase shifter
- adjacent
- 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.)
- Active
Links
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
Landscapes
- Waveguide Switches, Polarizers, And Phase Shifters (AREA)
- Variable-Direction Aerials And Aerial Arrays (AREA)
Abstract
The invention relates to the technical field of mobile communication radio frequency devices, in particular to a phase shifter, which comprises a cavity, a feed network arranged in the cavity and a dielectric element which is arranged in the cavity and can linearly move relative to the cavity. The cavity is formed by splicing at least two sub-cavities along the lengthwise direction, and the two adjacent sub-cavities are insulated. According to the phase shifter, the long cavity of the phase shifter is divided into the plurality of sub-cavities with shorter lengths, and the plurality of sub-cavities are spliced to form the cavity of the phase shifter, so that the processing difficulty of the integrated forming of the cavity is reduced, the electroplating quality of the cavity is improved, burrs during the processing of the cavity are conveniently removed, the problem of the processing quality of the cavity is prevented from influencing the intermodulation index of the phase shifter, and the performance of the phase shifter is improved.
Description
[ technical field ] A method for producing a semiconductor device
The invention relates to the technical field of mobile communication radio frequency devices, in particular to a phase shifter.
[ background of the invention ]
In the coverage of a mobile communication network, an electrically-adjusted base station antenna is one of key equipment of a coverage network, a phase shifter is a core component of the electrically-adjusted base station antenna, the performance of the phase shifter directly determines the performance of the electrically-adjusted antenna, and the coverage quality of the network is further influenced, so that the importance of the phase shifter in the field of mobile base station antennas is self-evident. With the popularization of multi-frequency antennas and the increasing requirements of operators on antenna performance, the adoption of multi-port phase shifters for antennas has become a trend.
In the prior art, a multi-port phase shifter mainly adopts a dielectric phase shifter, and generally comprises an ultra-long cavity, a feed network and a phase shifting network. However, the conventional multiport phase shifter mainly has the following problems: the cavity body usually solves the welding problem by electroplating, but the electroplating quality of the long cavity body is difficult to ensure because the inner cavity is too long, the performance of the phase shifter is influenced if the electroplating is not good, and the integral forming processing difficulty of the long cavity body is large; the long cavity is difficult to remove burrs during processing, so that intermodulation of the phase shifter is poor and even short circuit risk is caused easily.
[ summary of the invention ]
The invention aims to provide a phase shifter, which is used for solving the problem that the performance of the phase shifter is influenced because a cavity is too long and is difficult to process.
In order to realize the purpose, the invention adopts the following technical scheme:
The phase shifter comprises a cavity, a feed network arranged in the cavity, and a dielectric element which is arranged in the cavity and can move linearly relative to the cavity, wherein the cavity is formed by splicing at least two sub-cavities along the longitudinal direction, and the two adjacent sub-cavities are insulated.
Specifically, two adjacent sub-cavities are fixedly spliced with each other through a connecting medium.
preferably, the connecting medium is a medium connecting piece for connecting two adjacent sub-cavities; adjacent two the relative one of auxiliary cavity is served and is equipped with the trompil, and the medium connecting piece corresponds the trompil is equipped with the pothook, the pothook respectively with adjacent two trompil lock on the auxiliary cavity is in order to fix two adjacent auxiliary cavities.
Optionally, the connecting medium is metal glue, and the two adjacent sub-cavities are mutually fixed and spliced through the metal glue.
preferably, an insulating medium is arranged between two adjacent sub-cavities which are spliced with each other so as to insulate the two adjacent sub-cavities.
preferably, a gap is formed between two adjacent sub-cavities which are spliced with each other.
Preferably, the feed network comprises at least two sub-feed networks, the at least two sub-feed networks are correspondingly arranged in the sub-cavities, and two adjacent sub-feed networks are electrically connected to form the feed network and penetrate through the cavity formed by the at least two sub-cavities.
Preferably, the medium element comprises at least two sub-medium elements, the at least two sub-medium elements are correspondingly arranged in the plurality of sub-cavities, and two adjacent sub-medium elements form the medium element by fastening and penetrate through a cavity formed by at least two sub-cavities.
specifically, the feed network comprises a circuit with a phase-shifting function printed on the basis of a PCB (printed circuit board) or a circuit formed by metal conductors according to the function of the phase-shifting circuit.
Specifically, the sub-cavity is an integrally formed lengthwise cavity.
Compared with the prior art, the invention has the following advantages:
1. According to the phase shifter, the long cavity integrally formed by the phase shifter is divided into the plurality of sub-cavities with shorter lengths to be formed, and then the plurality of sub-cavities are spliced to form the cavity of the phase shifter, so that the cavity with shorter length reduces the machining difficulty of the integrally formed cavity, improves the electroplating quality of the cavity, is convenient to remove burrs during cavity machining, avoids the problem of machining quality of the cavity from influencing the intermodulation index of the phase shifter, and further improves the performance of the phase shifter.
2. according to the phase shifter, the plurality of sub-cavities are spliced in a medium connecting piece or metal glue bonding mode to form the cavity of the phase shifter, and a gap with a certain width is reserved between two adjacent sub-cavities which are connected with each other to ensure insulation, so that the intermodulation index of the phase shifter is prevented from being influenced by direct contact between the sub-cavities, and the performance of the phase shifter is improved.
3. The feed network and the dielectric element of the phase shifter are also divided into a plurality of sub-feed networks and sub-dielectric elements, and then the sub-feed networks and the sub-dielectric elements are connected to form the feed network and the dielectric element which penetrate through the cavity of the phase shifter, so that the mass production of the phase shifter is facilitated.
It is to be understood that the foregoing general description of the advantages of the present invention is provided for illustration and description, and that various other advantages of the invention will be apparent to those skilled in the art from this disclosure.
Additional aspects and advantages of the invention will be set forth in part in the description which follows, and in part will be obvious from the description, or may be learned by practice of the invention.
[ description of the drawings ]
FIG. 1 is a perspective view of one embodiment of a phase shifter of the present invention;
FIG. 2 is an exploded view of the phase shifter of FIG. 1;
FIG. 3 is an enlarged view of a portion A of the phase shifter shown in FIG. 2;
FIG. 4 is a perspective view of one embodiment of a media connector of the present invention;
FIG. 5 is a front view of the media connector of FIG. 4;
FIG. 6 is a top view of the media connector of FIG. 4;
FIG. 7 is a side view of the media connector of FIG. 4;
FIG. 8 is a perspective view of another embodiment of a phase shifter of the present invention;
FIG. 9 is an exploded view of the phase shifter of FIG. 8;
FIG. 10 is a perspective view of another embodiment of a phase shifter in accordance with the present invention;
Fig. 11 is an enlarged view of a portion B of the phase shifter of fig. 10.
[ detailed description ] embodiments
The present invention is further described with reference to the drawings and the exemplary embodiments, wherein like reference numerals are used to refer to like elements throughout. In addition, if a detailed description of the known art is not necessary to show the features of the present invention, it is omitted.
The phase shifter comprises a feed network, a dielectric element and a cavity formed by splicing at least two sub-cavities along the longitudinal direction, wherein the feed network and the dielectric element are arranged in the cavity of the phase shifter. Generally, the dielectric element is arranged between the packaging wall of the cavity and the feed network, and can be stressed to do linear motion along the lengthwise direction of the cavity. Further, the feed network and the dielectric element penetrate through the cavity, so that the feed network can be connected with an external transmission cable.
Preferably, each sub-cavity is an integrally formed elongate cavity. The extrusion molding process is preferably adopted for integral molding, so that the cavity cross sections of all the sub-cavities are consistent, and the sub-cavities spliced with each other are kept aligned, neat and consistent in the longitudinal direction. Meanwhile, two ends of the phase shifter cavity along the longitudinal direction are both open ends so as to enable the feed network penetrating through the cavity to be connected with an external transmission cable. Specifically, two adjacent sub-cavities are fixedly spliced with each other through a connecting medium, so that the sub-cavities which are spliced with each other are in a long strip shape; further, be equipped with the clearance of certain width between two sub-cavities of mutual concatenation so that make between two adjacent sub-cavities insulating or with the insulating medium interval between two adjacent sub-cavities to prevent direct contact between the adjacent sub-cavity, avoid influencing the intermodulation index of moving the looks ware, thereby promote the performance of moving the looks ware.
preferably, the feed network is a circuit with a phase shift function printed on the basis of a PCB or a circuit formed by metal conductors according to the phase shift function.
Because the feed network penetrates through the cavity of the phase shifter, the feed network can be an integral feed network or consists of a plurality of sub feed networks. Preferably, the feed network comprises at least two sub-feed networks, the sub-feed networks are respectively arranged in the sub-cavities, and then the adjacent two sub-feed networks form the feed network by welding or other electric connection modes and penetrate through a cavity formed by the at least two sub-cavities.
Similarly, the dielectric element may be a monolithic dielectric element or may be composed of a plurality of sub-dielectric elements, since the dielectric element penetrates through the whole cavity of the phase shifter. Preferably, the medium element includes at least two sub-medium elements, the sub-medium elements are respectively disposed in the sub-cavities, and then the adjacent two sub-medium elements form the medium element by means of fastening and penetrate through a cavity formed by the at least two sub-cavities.
example one
As shown in fig. 1 to 7, the phase shifter 1 of the present invention includes a cavity (not numbered, the same applies hereinafter) formed by splicing two sub-cavities 11, a feeding network 12, and a dielectric element 13.
At least one end of the sub-cavities 11 along the longitudinal direction thereof is a connecting end (not numbered, the same applies hereinafter), and the connecting ends of the two sub-cavities 11 are connected to form the cavity of the phase shifter 1 of this embodiment. The feed network 12 and the dielectric element 13 are disposed in the cavity, the dielectric element 13 is disposed between the package wall of the cavity and the feed network 12, and can be forced to move linearly along the longitudinal direction of the cavity, and further, the feed network 12 and the dielectric element 13 penetrate through the sub-cavities of the phase shifter 1.
Further, in this embodiment, the connection medium is the medium connection member 14, in order to better fix the connection between the two sub-cavities 11 to ensure that the phase shifter 1 is in a long strip shape, and avoid affecting the performance of the phase shifter 1 due to unfixed sub-cavities 11, an opening 110 is disposed on one end (i.e., the connection end) where the sub-cavities 11 are spliced with each other, and the opening 110 is used for being fastened with the hook 140 on the medium connection member 14 connecting the two sub-cavities 11.
The media connector 14 includes a connection ring 141 and a support arm 142 extending axially from the connection ring 141, and the support arm 142 is provided with a hook 140 corresponding to the opening 110 on the connection end of the sub-cavity 11. During assembly, the two sub-cavities 11 are inserted into the connecting ring 141 from the two ends of the connecting ring 141 respectively along the direction of the connecting end of the sub-cavity 11, and the hooks 140 of the medium connecting piece 14 are respectively buckled with the openings 110 on the connecting ends of the two sub-cavities 11, so as to fix the positions of the two sub-cavities 11 connected with each other.
In an implementation manner of this embodiment, the feeding network 12 is an integral feeding network, and the integral feeding network penetrates through a cavity formed by at least two sub-cavities 11.
In another embodiment of this embodiment, the feeding network 12 includes at least two sub-feeding networks, the sub-feeding networks are correspondingly disposed in the sub-cavities 11, and two adjacent sub-feeding networks form the feeding network 12 by welding or other electrical connection methods and penetrate through a cavity formed by at least two sub-cavities 11.
in an embodiment of this embodiment, the dielectric element 13 is a monolithic dielectric element, and the monolithic dielectric element penetrates through a cavity formed by at least two sub-cavities 11.
In another embodiment of this embodiment, the dielectric element 13 includes at least two sub-dielectric elements, the sub-dielectric elements are respectively disposed in the sub-cavities 11, and two adjacent sub-dielectric elements form the dielectric element 13 by fastening and penetrate through the cavity formed by at least two sub-cavities 11.
As can be seen from the above, a gap with a certain width needs to be reserved between two sub-cavities 11 spliced to each other to ensure insulation between two adjacent sub-cavities 11. In this embodiment, remain between two sub-cavities 11 connected through medium connecting piece 14 lock and have certain clearance, it is concrete, the straight-line distance between two pothooks 140 on the same vertical of connecting two sub-cavities 11 on the medium connecting piece 14 is greater than the sum of the horizontal distance of trompil 110 to the connecting end edge that corresponds on two sub-cavities 11 connected, connect two sub-cavities 11 through a medium connecting piece 14, form this cavity of moving looks ware 1 then, avoid two sub-cavities 11's direct contact simultaneously, avoid influencing the intermodulation index of moving looks ware 1, thereby promote the performance of moving looks ware 1.
Further, with reference to fig. 8 and 9, the phase shifter 1 of the present invention includes a cavity formed by splicing three sub-cavities 11, a feed network 12 and a dielectric element 13, where the feed network 12 and the dielectric element 13 are disposed in the cavity, the dielectric element 13 is disposed between a packaging wall of the sub-cavities 11 and the feed network 12, and can be forced to move linearly along a lengthwise direction of the cavity, and further, the feed network 12 and the dielectric element 13 penetrate through the cavity of the phase shifter 1. In other embodiments, the cavity of the present invention can be formed by splicing more sub-cavities 11.
The embodiment of the invention divides the whole long cavity of the phase shifter in the prior art into parts, divides the long cavity into a plurality of sub-cavities with shorter lengths, is convenient for the production and the molding of the cavity, reduces the difficulty of the integral molding of the cavity, simultaneously reduces the difficulty of the electroplating of the cavity by the cavity with shorter length, improves the accuracy of the electroplating of the cavity, is convenient for removing burrs during the processing of the cavity, and avoids the risk of poor intermodulation and even short circuit of the phase shifter.
Example two
As shown in fig. 10 and 11, the phase shifter 2 of the present invention includes a cavity (not numbered) formed by splicing two sub-cavities 21 in the longitudinal direction, a feeding network 22, and a dielectric element 23.
At least one end of the sub-cavities 21 along the longitudinal direction thereof is a connecting end (not numbered, the same applies hereinafter), and the connecting ends of the two sub-cavities 21 are connected with each other to form the cavity of the phase shifter 2 of the present invention. The feed network 22 and the dielectric element 23 are disposed in a cavity of the phase shifter 2, and the dielectric element 22 is disposed between a package wall of the cavity and the feed network 23 and can be forced to move linearly along a lengthwise direction of the cavity. Further, the feeding network 22 and the dielectric element 23 penetrate through a plurality of sub-cavities of the phase shifter 2.
In an embodiment of this embodiment, the feeding network 22 is an integral feeding network, and the integral feeding network penetrates through a cavity formed by at least two sub-cavities 21.
in another embodiment of this embodiment, the feeding network 22 includes at least two sub-feeding networks, the sub-feeding networks are respectively disposed in the sub-cavities 21, and two adjacent sub-feeding networks form the feeding network 22 by welding or other electrical connection methods and penetrate through a cavity formed by at least two sub-cavities 21.
In one embodiment of this embodiment, the media element 23 is a unitary media element that extends through the cavity formed by the at least two sub-cavities 21.
In another embodiment of this embodiment, the dielectric element 23 includes at least two sub-dielectric elements, the sub-dielectric elements are respectively disposed in the sub-cavities 21, and two adjacent sub-dielectric elements form the dielectric element 23 by fastening and penetrate through the cavity formed by at least two sub-cavities 21.
Further, in this embodiment, the connection medium is metal glue, and in order to fix the connection between the two sub-cavities 21 and ensure that the phase shifter 2 is in a long strip shape, the influence on the performance of the phase shifter 2 due to unfixed of the sub-cavities 21 is avoided, and the two sub-cavities 21 are connected at the connection end of the sub-cavities 21 through the metal glue in an adhesion manner, so as to fix the positions of the two sub-cavities 21 which are spliced with each other.
In the embodiment of the present invention, in order to prevent the two sub-cavities 21 connected to each other from directly contacting each other, a gap with a certain width, for example, a gap smaller than 1mm, needs to be provided between the connecting ends of the two sub-cavities 21 connected to each other. In one embodiment, an insulating medium (not numbered, the same below) is added between the connecting ends of the two sub-cavities 21 connected to each other to prevent contact between the sub-cavities 21, specifically, the insulating medium may be an insulating film (thickness less than 1mm), and the insulating medium is hollow so that the feeding network 22 and the dielectric element 23 can penetrate through the insulating medium and penetrate through the cavity of the phase shifter 2. This embodiment is through metal glue adhesive's mode with two sub-cavities 21 fixed connection, guarantees that sub-cavity 21 aligns along the lengthwise direction, carefully and neatly, unanimously for move looks ware 2 and be rectangular form, and through adding the direct contact that two sub-cavities 21 were avoided to insulating medium between the link of two sub-cavities 21 of splicing each other, and then avoid influencing the intermodulation index of moving looks ware 2, thereby improve the performance of moving looks ware 2.
Similarly, this embodiment also can be extended to the cavity that moves looks ware 2 is formed to the concatenation of more than two sub-cavities 21, and through the bonding concatenation of metal glue between the adjacent sub-cavity 21 and add the direct contact that two sub-cavities 21 were avoided to the insulating medium of putting to be convenient for move the processing of looks ware 2 cavity, improve the processingquality of cavity, thereby promote the performance of moving looks ware 2.
Although a few exemplary embodiments of the present invention have been shown and described, it would be appreciated by those skilled in the art that changes may be made in these exemplary embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the claims and their equivalents.
Claims (9)
1. The phase shifter is characterized in that the cavity is formed by splicing at least two sub-cavities along the longitudinal direction, two ends of each sub-cavity along the longitudinal direction are both open ends, two adjacent sub-cavities are fixedly spliced with each other through a connecting medium and are insulated from each other, and the feed network and the medium element are communicated in the cavity.
2. The phase shifter according to claim 1, wherein the connecting medium is a medium connecting member for joining two adjacent sub-chambers together; it is adjacent two the relative one of auxiliary cavity is served and is equipped with the trompil, the medium connecting piece corresponds the trompil is equipped with the pothook, the pothook respectively with adjacent two trompil lock on the auxiliary cavity is in order to fix two adjacent auxiliary cavities.
3. The phase shifter of claim 1, wherein the connecting medium is metal glue, and two adjacent sub-cavities are fixedly spliced with each other by metal glue adhesion.
4. The phase shifter according to claim 1, wherein an insulating medium is provided between two sub-chambers spliced to each other to insulate the two sub-chambers from each other.
5. The phase shifter of claim 1, wherein a gap is provided between two adjacent sub-cavities that are spliced to each other.
6. The phase shifter according to claim 1, wherein the feeding network comprises at least two sub-feeding networks, the at least two sub-feeding networks are correspondingly disposed in the sub-cavities, and two adjacent sub-feeding networks are electrically connected to form the feeding network and penetrate through a cavity formed by at least two sub-cavities.
7. The phase shifter according to claim 1, wherein the dielectric member comprises at least two sub-dielectric members, the at least two sub-dielectric members are correspondingly disposed in the plurality of sub-cavities, and two adjacent sub-dielectric members form the dielectric member by fastening and penetrate through a cavity formed by at least two sub-cavities.
8. The phase shifter according to claim 1, wherein the feeding network comprises a circuit printed on a PCB board having a phase shifting function or a circuit composed of metal conductors according to the phase shifting circuit function.
9. The phase shifter of claim 1, wherein the sub-cavity is an integrally formed elongated cavity.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711065329.6A CN107681233B (en) | 2017-11-02 | 2017-11-02 | Phase shifter |
| PCT/CN2018/097590 WO2019085557A1 (en) | 2017-11-02 | 2018-07-27 | Phase shifter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711065329.6A CN107681233B (en) | 2017-11-02 | 2017-11-02 | Phase shifter |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107681233A CN107681233A (en) | 2018-02-09 |
| CN107681233B true CN107681233B (en) | 2019-12-17 |
Family
ID=61145601
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711065329.6A Active CN107681233B (en) | 2017-11-02 | 2017-11-02 | Phase shifter |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN107681233B (en) |
| WO (1) | WO2019085557A1 (en) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107681233B (en) * | 2017-11-02 | 2019-12-17 | 京信通信系统（中国）有限公司 | Phase shifter |
| CN109659694B (en) * | 2019-01-30 | 2023-09-29 | 京信通信技术(广州)有限公司 | Phase-shifting feed device and base station antenna |
| CN116266674A (en) * | 2021-12-17 | 2023-06-20 | 华为技术有限公司 | Antenna and communication equipment |
| CN115663423B (en) * | 2022-12-26 | 2023-03-28 | 华南理工大学 | Antenna device and combined phase shifter |
| CN116995432B (en) * | 2023-09-26 | 2024-01-26 | 华南理工大学 | Phase shifting device, assembling method thereof and base station antenna |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0387955A1 (en) * | 1989-03-17 | 1990-09-19 | Laboratoires D'electronique Philips | Package for hyperfrequency integrated circuit |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN203119062U (en) * | 2012-12-31 | 2013-08-07 | 华为技术有限公司 | Mounting assembly |
| CN104037474B (en) * | 2014-01-28 | 2017-05-10 | 京信通信技术(广州)有限公司 | Cavity body phase shifter |
| CN104505560B (en) * | 2014-12-12 | 2018-01-12 | 湖北日海通讯技术有限公司 | Phase adjusting device and phase adjustment unit |
| CN105470618B (en) * | 2015-12-25 | 2019-03-12 | 广东晖速通信技术股份有限公司 | A kind of cavity resonant inhibition structure |
| CN107681233B (en) * | 2017-11-02 | 2019-12-17 | 京信通信系统（中国）有限公司 | Phase shifter |
| CN207409635U (en) * | 2017-11-02 | 2018-05-25 | 京信通信系统（中国）有限公司 | Phase shifter |
-
2017
- 2017-11-02 CN CN201711065329.6A patent/CN107681233B/en active Active
-
2018
- 2018-07-27 WO PCT/CN2018/097590 patent/WO2019085557A1/en active Application Filing
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0387955A1 (en) * | 1989-03-17 | 1990-09-19 | Laboratoires D'electronique Philips | Package for hyperfrequency integrated circuit |
Also Published As
| Publication number | Publication date |
|---|---|
| CN107681233A (en) | 2018-02-09 |
| WO2019085557A1 (en) | 2019-05-09 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN107681233B (en) | Phase shifter | |
| CN203910942U (en) | Cavity-type phase shifter | |
| US10062940B2 (en) | Dielectric phase shifter comprised of a cavity having an elongated receiving space where a phase shifting circuit and a slideable dielectric element are disposed | |
| CN109638457B (en) | Antenna and phase-shift feed device | |
| CN203950891U (en) | Dielectric phase shifter | |
| CN113437455B (en) | Frequency division phase shifter, feed network and base station antenna | |
| CN102439784A (en) | Microstrip coupler | |
| CN112803157A (en) | Integrated base station antenna | |
| CN106654494A (en) | Dual-system phase shift combining module and separate electronic tilting antenna | |
| CN105514538A (en) | Phase shifter | |
| EP3469658B1 (en) | Antenna feeding network | |
| WO2019235998A1 (en) | An antenna arrangement, a radiating element and a method of manufacturing the radiating element | |
| CN111564681A (en) | Phase shifter and antenna | |
| CN114497930B (en) | Combining phase shifter and antenna | |
| CN207409635U (en) | Phase shifter | |
| CN211126081U (en) | Phase-shifting circuit, phase shifter and electrically-tunable antenna | |
| CN112993569B (en) | Feed network and antenna | |
| CN213150976U (en) | Connecting device for coaxial cable and strip line and high-frequency equipment | |
| CN110137635B (en) | Phase shifter dielectric structure, phase shifter and base station antenna | |
| CN212162038U (en) | Phase shifter and antenna | |
| KR200314925Y1 (en) | A directional coupler by using the symmetrical microstrip line | |
| CN111064004A (en) | Phase-shifting circuit, phase shifter and electrically-tunable antenna | |
| CN107565194B (en) | Metal conduction band subassembly and metal conduction band, isolator, support frame, microwave device thereof | |
| CN109473755B (en) | Microwave device cavity, preparation method thereof and microwave device | |
| CN115842228B (en) | Antenna device and phase shifter |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20200120 Address after: 510730 No. 6, layered Road, Guangzhou economic and Technological Development Zone, Guangdong Patentee after: Jingxin Communication Technology (Guangzhou) Co., Ltd. Address before: 510663 Guangzhou Science City, Guangdong Shenzhou Road, No. 10 Co-patentee before: Jingxin Communication Technology (Guangzhou) Co., Ltd. Patentee before: Jingxin Communication System (China) Co., Ltd. Co-patentee before: Jingxin Communication System (Guangzhou) Co., Ltd. Co-patentee before: TIANJIN COMBA TELECOM SYSTEMS CO., LTD. |
|
| TR01 | Transfer of patent right |