CN111816959B - Phase shifting module and phase shifter with same - Google Patents
Phase shifting module and phase shifter with same Download PDFInfo
- Publication number
- CN111816959B CN111816959B CN202010543288.2A CN202010543288A CN111816959B CN 111816959 B CN111816959 B CN 111816959B CN 202010543288 A CN202010543288 A CN 202010543288A CN 111816959 B CN111816959 B CN 111816959B
- Authority
- CN
- China
- Prior art keywords
- strip line
- strip
- rotating medium
- phase
- shifting module
- 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
Images
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
- H01Q3/34—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 electrical means
Landscapes
- Waveguide Switches, Polarizers, And Phase Shifters (AREA)
Abstract
The invention discloses a phase shifting module and a phase shifter with the phase shifting module, which comprises a PCB (printed circuit board), wherein the PCB is provided with a plurality of strip lines, and the input ends of the strip lines are connected to the same input port; and the rotating medium is arranged in a fan shape and is rotatably arranged on the PCB, and the rotating medium partially covers the strip line. The phase shifter comprises the phase shifting module and the power dividing module, and the power dividing module is provided with power output ends which are connected with the input ends of the strip lines in the phase shifting module in a one-to-one corresponding mode. The invention can reduce the longitudinal size of the phase shift module, thereby reducing the volume of the phase shifter and realizing ultra-wide working bandwidth.
Description
Technical Field
The invention relates to the technical field of base station antennas, in particular to a phase shifting module and a phase shifter with the same.
Background
In the technical field of mobile communication networks, a base station antenna is a key device of a coverage network, and the antenna mainly comprises a radiation unit, a phase shifter, a transmission mechanism, a control system and other core components. In a base station antenna system, a phase shifter changes the phase of feed of a radiation unit in a base station antenna, and shaping and scanning of radiation beams are realized; the performance of the phase shifter directly determines the performance quality of the base station antenna, and further influences the quality of the whole network coverage.
The cavity sliding medium phase shifter is an existing phase shifter, different equivalent dielectric constants are obtained through sliding of media, and phase change is obtained through changing change of a medium area covered on a feed network. However, in the conventional sliding medium phase shifter, the sliding medium generally performs a linear motion, and the circuit is also arranged linearly, so that the longitudinal dimension of the phase shifter is generally large enough to achieve a wide range of phase adjustment.
In addition, the base station antenna phase shifter requires that the output port amplitude within the operating frequency band be kept stable, and the measure is linearity. With the development of mobile communication, the operating frequency band is required to be wider and wider, and the design difficulty of maintaining the required linearity in a wide frequency band becomes high. Linearity is also a major difficulty limiting the wideband operation of the phase shifter. The power distribution and phase shift part of the traditional sliding medium phase shifter is of a cascade structure, and the fluctuation of the output amplitude of the output port of the final stage is superposed by the fluctuation of the power distribution and phase shift part of the upper stage, so that the difficulty of design is increased.
Disclosure of Invention
The present invention is directed to solving at least one of the problems of the prior art. Therefore, the invention provides a phase shifting module which can reduce the longitudinal size of the phase shifting module, thereby reducing the volume of the phase shifter.
The invention also provides a phase shifter with the phase shifting module.
A phase shifting module according to an embodiment of the first aspect of the invention comprises:
the PCB comprises a PCB board, wherein the first surface of the PCB board comprises N strip lines, the N strip lines are provided with concentrically arranged circular arc sections, and N is an integer greater than or equal to 2;
and the first rotating medium is arranged in a fan shape, is rotatably arranged on the first surface and is in contact with the N strip lines of the first surface.
The phase shifting module according to the embodiment of the invention has at least the following beneficial effects: the rotating medium is arranged in a fan shape, and when the rotating medium rotates for a certain angle, the covered length of each strip line is changed, so that the dielectric constant of each strip line is changed, and the function of phase shifting is realized. Because the rotating medium is arranged in a fan shape, the function of phase shifting can be realized only by rotating a certain angle without linear motion, so that the longitudinal size of the phase shifting module can be reduced, and the volume of the phase shifter is reduced.
According to some embodiments of the invention, a center of rotation of the first rotating medium coincides with a center of the circular arc segment of the N striplines.
According to some embodiments of the invention, the strip line comprises a first strip line and a second strip line, the first strip line and the second strip line are distributed axisymmetrically on the left and right of the first surface.
According to some embodiments of the invention, a third strip line is disposed between the first strip line and the second strip line, and a circular arc segment of the third strip line is completely covered by the first rotating medium.
According to some embodiments of the invention, the strip line further comprises a fourth strip line and a fifth strip line distributed on the left side of the first strip line, the arc segments of the first strip line, the fourth strip line and the fifth strip line are parallel to each other, and the radius ratio of the arc segments of the first strip line, the fourth strip line and the fifth strip line is 1: 2: 3;
the stripline further comprises a sixth stripline and a seventh stripline which are distributed on the right side of the second stripline, the sixth stripline and the arc section of the seventh stripline are parallel to each other, and the radius ratio of the arc section of the second stripline, the sixth stripline and the seventh stripline is 1: 2: 3.
according to some embodiments of the invention, the first rotating medium comprises two radius parts and one arc part, the radius parts being arranged in a zigzag shape.
According to some embodiments of the invention, the first rotating medium further comprises a first pressing plate, the first pressing plate is arranged on the first rotating medium, the first pressing plate is provided with a pressing edge, and a concave position matched with the pressing edge is arranged at the edge of the first rotating medium.
According to some embodiments of the invention, further comprising a first cover plate disposed over the first rotating medium and the first platen.
According to some embodiments of the present invention, the second surface of the PCB board includes N strip lines, the strip lines of the second surface correspond to the strip lines of the first surface one to one and have the same shape;
a second rotating medium, a second pressing plate and a second cover plate are sequentially arranged below the second surface, the second rotating medium and the first rotating medium are opposite from top to bottom and are the same in shape, the second pressing plate and the first pressing plate are opposite from top to bottom and are the same in shape, and the second cover plate and the first cover plate are opposite from top to bottom and are the same in shape.
The phase shifter according to the second aspect of the present invention includes the above-mentioned phase shifting module and a power dividing module, where the power dividing module is provided with power output terminals connected to the input terminals of each strip line in the phase shifting module in a one-to-one correspondence manner.
The phase shifter according to the embodiment of the invention has at least the following beneficial effects: the embodiment of the invention comprises the phase shifting module, the rotating medium is arranged in a fan shape, and when the rotating medium rotates for a certain angle, the covered length of each strip line can be changed, so that the dielectric constant of each strip line is changed, and the phase shifting function is realized. Because the rotating medium is arranged in a fan shape, the function of phase shifting can be realized only by rotating a certain angle without linear motion, so that the longitudinal size of the phase shifting module can be reduced, and the volume of the phase shifter is reduced. And the power division module is provided with power output ends which are connected with the input ends of the strip lines in the phase shifting module in a one-to-one correspondence mode, and the power division module and the phase shifting module are arranged in a separated mode, so that the ultra-wideband standing wave bandwidth and the stable port linearity can be realized.
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.
Drawings
The above and/or additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:
FIG. 1 is a schematic diagram of a phase shifting module according to an embodiment of the present invention;
FIG. 2 is a schematic view of a PCB board of the phase shifting module shown in FIG. 1;
FIG. 3 is a schematic diagram of a rotating medium of the phase shifting module shown in FIG. 1;
fig. 4 is an overall exploded view of the phase shift module according to the embodiment of the present invention.
Reference numerals:
PCB board 100, strip line 110, first strip line 1101, second strip line 1102, third strip line 1103, fourth strip line 1104, fifth strip line 1105, sixth strip line 1106, seventh strip line 1107, first surface 120, second surface 130, and,
A first rotating medium 200, a radius part 210, an arc part 220, a recess 230, a through hole 240,
A first pressing plate 300, a blank holder,
A second pressing plate 400,
A first cover plate 500,
A second cover plate 600,
A second rotating medium 700,
Detailed Description
Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the accompanying drawings are illustrative only for the purpose of explaining the present invention, and are not to be construed as limiting the present invention.
In the description of the present invention, it should be understood that the orientation or positional relationship referred to in the description of the orientation, such as the upper, lower, front, rear, left, right, etc., is based on the orientation or positional relationship shown in the drawings, and is only for convenience of description and simplification of description, and does not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.
In the description of the present invention, the meaning of a plurality of means is one or more, the meaning of a plurality of means is two or more, and larger, smaller, larger, etc. are understood as excluding the number, and larger, smaller, inner, etc. are understood as including the number. If the first and second are described for the purpose of distinguishing technical features, they are not to be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated or implicitly indicating the precedence of the technical features indicated.
In the description of the present invention, unless otherwise explicitly limited, terms such as arrangement, installation, connection and the like should be understood in a broad sense, and those skilled in the art can reasonably determine the specific meanings of the above terms in the present invention in combination with the specific contents of the technical solutions.
Referring to fig. 1 and fig. 2, a first aspect of an embodiment of the present invention discloses a phase shift module, including: the PCB comprises a PCB 100, wherein a first surface 120 of the PCB 100 comprises N strip lines 110, the N strip lines 110 are provided with concentrically arranged circular arc sections, and N is an integer greater than or equal to 2; the first rotating medium 200, which is disposed in a fan shape, is rotatably disposed on the first surface 120, and contacts the N strip lines of the first surface 120. It is understood that the rotating media 200 may be in the shape of a fan, a cylinder or a block, having a certain thickness or height.
The rotating medium is arranged in a fan shape, and when the first rotating medium 200 rotates a certain angle, the covered length of each strip line changes, thereby changing the dielectric constant of each strip line, and thus performing a phase shifting function. Because the first rotating medium 200 is arranged in a fan shape, the function of phase shifting can be realized only by rotating a certain angle without linear motion, so that the longitudinal size of the phase shifting module can be reduced, the size of the phase shifter is reduced, and the miniaturization design of the phase shifter is facilitated. It is understood that, in order that the first rotating medium 200 may be rotated, a through-hole 240 for installing a rotating shaft may be provided at the middle of the first rotating medium 200.
In some embodiments of the present invention, the center of rotation of the first rotating medium 200 coincides with the center of the arc segment of the N striplines, so that the phase of the striplines changes smoothly when the first rotating medium 200 rotates. It will be appreciated that the center of the through hole 240 coincides with the center of the arc segment. The strip line 110 includes a first strip line 1101 and a second strip line 1102, and the first strip line 1101 and the second strip line 1102 are axisymmetrically distributed on the left side and the right side of the first surface 120, so that the first strip line 1101 and the second strip line 1102 can output phases opposite to each other, for example, the phase output by the first strip line 1101 is a, and the phase output by the second strip line 1102 is-a. The third strip line 1103 is provided between the first strip line 1101 and the second strip line 1102, and the circular arc segment of the third strip line 1103 is completely covered with the rotating medium, and it can be understood that the area covered on the third strip line 1103 does not change when the first rotating medium 200 rotates, so the dielectric parameter of the third strip line 1103 is not changed, and the third strip line 1103 always outputs the reference phase.
In some embodiments of the present invention, the strip line 110 further includes a fourth strip line 1104 and a fifth strip line 1105 distributed on the left side of the first strip line 1101, the arc segments of the first strip line 1101, the fourth strip line 1104 and the fifth strip line 1105 are parallel to each other, and the radius ratio of the arc segments of the first strip line 1101, the fourth strip line 1104 and the fifth strip line 1105 is 1: 2: 3; the strip line 110 further comprises a sixth strip line 1106 and a seventh strip line 1107 which are distributed at the right side of the second strip line 1102, the arc segments of the second strip line 1102, the sixth strip line 1106 and the seventh strip line 1107 are parallel to each other, and the radius ratio of the arc segments of the second strip line 1102, the sixth strip line 1106 and the seventh strip line 1107 is 1: 2: 3.
for example, when the number of the strip lines is set to 7, the first strip line 1101, the second strip line 1102, the third strip line 1103, the fourth strip line 1104, the fifth strip line 1105, the sixth strip line 1106, and the seventh strip line 1107 are arranged in order from left to right, wherein the arc-shaped portions 220 of the first strip line 1101, the second strip line 1102, the third strip line 1103, and the fourth strip line 1104 protrude to the left, and the arc-shaped portions 220 of the fifth strip line 1105, the sixth strip line 1106, and the seventh strip line 1107 protrude to the right. Therefore, the strip line layout with certain symmetry can stabilize the whole phase shifting performance. And the phase outputs arranged on the same side form an equal difference relation, for example, the phase outputs from left to right can be-3A, -2A, -A, 0, A, 2A, 3A.
Referring to fig. 3, in some embodiments of the present invention, the first rotating medium 200 includes two radius parts 210 and one arc part 220, and the radius parts 210 are arranged in a zigzag shape. The two radius parts 210 are formed in a zigzag shape, and since the opening part of the first rotating medium 200 is fixed while rotating, the rotation angle of the first rotating medium 200 can be increased and the rotation angle can be maximized.
Referring to fig. 4, in some embodiments of the present invention, the first rotating medium further includes a first pressing plate 300, the first pressing plate 300 is disposed on the first rotating medium 200, a pressing edge is disposed on the first pressing plate 300, and a recessed portion 230 is disposed at an edge of the first rotating medium 200 and matches with the pressing edge. The provision of the first presser plate 300 makes it possible to make the rotating medium more stable when rotating. A first cover plate 500 is further included, and the first cover plate 500 is disposed over the first rotating medium 200 and the first pressing plate 300. The provision of the first cover plate 500 may protect the rotating medium, the PCB board 100, from being damaged by external components.
In some embodiments of the present invention, the second surface 130 of the PCB board 100 includes N strip lines, and the strip lines 110 of the second surface 130 correspond to the strip lines 110 of the first surface 120 one to one and have the same shape; a second rotating medium 700, a second pressing plate 400 and a second cover plate 600 are sequentially arranged below the second surface 130, the second rotating medium 700 is vertically opposite to the first rotating medium 200 and has the same shape, the second pressing plate 400 is vertically opposite to the first pressing plate 300 and has the same shape, and the second cover plate 600 is vertically opposite to the first cover plate 500 and has the same shape. The PCB 100 is disposed between the two pressing plates, and the two rotating media are disposed between the PCB 100 and the two different pressing plates, respectively. So set up, can make the performance of moving the looks ware more stable, also make whole structure more firm.
In a second aspect of the embodiment of the present invention, a phase shifter is further provided, which includes the above-mentioned phase shifting module and the power dividing module 800, where the power dividing module 800 is provided with power output ends connected to input ends of each strip line in the phase shifting module in a one-to-one correspondence manner. The embodiment of the invention uses the power distribution network with a parallel structure, and each output port is provided with an independent phase shifting part, so that the ultra-wide working bandwidth can be realized, the design difficulty can be reduced and the engineering realization is facilitated compared with the traditional cascaded sliding phase shifter.
The phase shift module according to an embodiment of the present invention is described in detail below in a specific embodiment with reference to fig. 1 to 4. It is to be understood that the following description is illustrative only and is not intended as a specific limitation on the invention.
The embodiment of the invention provides a phase-shifting module, which comprises a PCB (printed circuit board) 100, wherein a first surface 120 of the PCB 100 comprises N strip lines, the N strip lines are provided with concentrically arranged circular arc sections, and N is an integer greater than or equal to 2; the first rotating medium 200, which is disposed in a fan shape, is rotatably disposed on the first surface 120, and contacts the N strip lines of the first surface 120. The center of rotation of the first rotating medium 200 coincides with the center of the arc segment of the N strip lines. The strip line 110 includes a first strip line 1101 and a second strip line 1102, and the first strip line 1101 and the second strip line 1102 are axisymmetrically distributed on the left and right sides of the first surface 120. A third strip line 1103 is disposed between the first strip line 1101 and the second strip line 1102, and a circular arc segment of the third strip line 1103 is completely covered by the rotating medium.
The strip line 110 further includes a fourth strip line 1104 and a fifth strip line 1105 distributed on the left side of the first strip line 1101, the arc segments of the first strip line 1101, the fourth strip line 1104 and the fifth strip line 1105 are parallel to each other, and the radius ratio of the arc segments of the first strip line 1101, the fourth strip line 1104 and the fifth strip line 1105 is 1: 2: 3; the strip line 110 further comprises a sixth strip line 1106 and a seventh strip line 1107 which are distributed at the right side of the second strip line 1102, the arc segments of the second strip line 1102, the sixth strip line 1106 and the seventh strip line 1107 are parallel to each other, and the radius ratio of the arc segments of the second strip line 1102, the sixth strip line 1106 and the seventh strip line 1107 is 1: 2: 3.
the first rotating medium 200 includes two radius parts 210 and one arc part 220, and the radius parts 210 are arranged in a zigzag shape. The first rotating medium pressing device further comprises a first pressing plate 300, the first pressing plate 300 is arranged on the first rotating medium 200, a blank holder is arranged on the first pressing plate 300, and a concave position 230 matched with the blank holder is arranged at the edge of the first rotating medium 200. A first cover plate 500 is further included, and the first cover plate 500 is disposed over the first rotating medium 200 and the first pressing plate 300. The second surface 130 of the PCB board 100 includes N strip lines 110, and the strip lines 110 of the second surface 130 correspond to the strip lines 110 of the first surface 120 one to one and have the same shape; a second rotating medium 700, a second pressing plate 400 and a second cover plate 600 are sequentially arranged below the second surface 130, the second rotating medium 700 is vertically opposite to the first rotating medium 200 and has the same shape, the second pressing plate 400 is vertically opposite to the first pressing plate 300 and has the same shape, and the second cover plate 600 is vertically opposite to the first cover plate 500 and has the same shape.
A phase shifter comprises the phase shifting module and the power dividing module 800, wherein the power dividing module 800 is provided with power output ends which are connected with the input ends of all strip lines in the phase shifting module in a one-to-one corresponding mode.
According to the phase shift module of the embodiment of the invention, at least some effects can be achieved by arranging the rotating medium in a fan shape, and when the rotating medium rotates for a certain angle, the covered length of each strip line is changed, so that the dielectric constant of each strip line is changed, and the phase shift function is realized. Because the rotating medium is arranged in a fan shape, the function of phase shifting can be realized only by rotating a certain angle without linear motion, so that the longitudinal size of the phase shifting module can be reduced, and the volume of the phase shifter is reduced. Moreover, the power dividing module 800 is provided with power output ends which are connected with the input ends of the strip lines in the phase shifting module in a one-to-one correspondence manner, and the power dividing module 800 and the phase shifting module are separately arranged, so that the ultra-wideband standing wave bandwidth and the stable port linearity can be realized.
The embodiments of the present invention have been described in detail with reference to the accompanying drawings, but the present invention is not limited to the above embodiments, and various changes can be made within the knowledge of those skilled in the art without departing from the gist of the present invention.
Claims (7)
1. A phase shifting module, comprising:
the PCB comprises a PCB board, wherein the first surface of the PCB board comprises N strip lines, the N strip lines are provided with concentrically arranged circular arc sections, and N is an integer greater than or equal to 2;
a first rotating medium arranged in a fan shape, rotatably arranged on the first surface, and in contact with the N strip lines of the first surface;
the strip lines comprise a first strip line and a second strip line, and the first strip line and the second strip line are axisymmetrically distributed on the left side and the right side of the first surface;
a third strip line is arranged between the first strip line and the second strip line, and the circular arc section of the third strip line is completely covered by the first rotating medium;
the first rotating medium includes two radius parts and one arc part, and the radius parts are arranged in a zigzag shape.
2. The phase shifting module of claim 1, wherein: the center of rotation of the first rotating medium is coincident with the center of the arc segment of the N strip lines.
3. The phase shifting module of claim 1, wherein: the strip line further comprises a fourth strip line and a fifth strip line which are distributed on the left side of the first strip line, the arc sections of the first strip line, the fourth strip line and the fifth strip line are parallel to each other, and the radius ratio of the arc sections of the first strip line, the fourth strip line and the fifth strip line is 1: 2: 3;
the stripline further comprises a sixth stripline and a seventh stripline which are distributed on the right side of the second stripline, the sixth stripline and the arc section of the seventh stripline are parallel to each other, and the radius ratio of the arc section of the second stripline, the sixth stripline and the seventh stripline is 1: 2: 3.
4. the phase shifting module of claim 1, wherein: the first pressing plate is arranged on the first rotating medium, a blank pressing is arranged on the first pressing plate, and a concave position matched with the blank pressing is arranged at the edge of the first rotating medium.
5. The phase shifting module of claim 4, wherein: the first cover plate is arranged above the first rotating medium and the first pressing plate in a covering mode.
6. The phase shifting module of claim 5, wherein: the second surface of the PCB comprises N strip lines, and the strip lines of the second surface correspond to the strip lines of the first surface one to one and are the same in shape;
a second rotating medium, a second pressing plate and a second cover plate are sequentially arranged below the second surface, the second rotating medium and the first rotating medium are opposite from top to bottom and are the same in shape, the second pressing plate and the first pressing plate are opposite from top to bottom and are the same in shape, and the second cover plate and the first cover plate are opposite from top to bottom and are the same in shape.
7. A phase shifter, characterized by: the phase-shifting module and the power dividing module comprise the phase-shifting module and the power dividing module of any one of claims 1 to 6, wherein the power dividing module is provided with power output ends which are connected with the input ends of each strip line in the phase-shifting module in a one-to-one correspondence mode.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010543288.2A CN111816959B (en) | 2020-06-15 | 2020-06-15 | Phase shifting module and phase shifter with same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010543288.2A CN111816959B (en) | 2020-06-15 | 2020-06-15 | Phase shifting module and phase shifter with same |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN111816959A CN111816959A (en) | 2020-10-23 |
| CN111816959B true CN111816959B (en) | 2021-07-13 |
Family
ID=72845114
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010543288.2A Active CN111816959B (en) | 2020-06-15 | 2020-06-15 | Phase shifting module and phase shifter with same |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111816959B (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2009044950A1 (en) * | 2007-10-05 | 2009-04-09 | Ace Antenna Corp. | Phase shifter |
| KR20090112500A (en) * | 2008-04-24 | 2009-10-28 | (주)에이스안테나 | Phase shifter in which a roration member is combined with a guide member |
| CN101621143A (en) * | 2008-07-04 | 2010-01-06 | 寰波科技股份有限公司 | Phase shifter |
| CN108879035A (en) * | 2018-06-28 | 2018-11-23 | 京信通信系统（中国）有限公司 | Medium slidingtype phase shifter and antenna for base station |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100894994B1 (en) * | 2007-10-05 | 2009-04-24 | (주)에이스안테나 | Phase shifter where a roration member is combined with a guide member |
| KR102016090B1 (en) * | 2018-08-28 | 2019-08-30 | 주식회사 에이치에스에이디씨 | Arc type phase shifter comprising |
| CN210489788U (en) * | 2019-11-15 | 2020-05-08 | 广东健博通科技股份有限公司 | Ultra-wideband high-frequency phase shifter and antenna |
-
2020
- 2020-06-15 CN CN202010543288.2A patent/CN111816959B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2009044950A1 (en) * | 2007-10-05 | 2009-04-09 | Ace Antenna Corp. | Phase shifter |
| KR20090112500A (en) * | 2008-04-24 | 2009-10-28 | (주)에이스안테나 | Phase shifter in which a roration member is combined with a guide member |
| CN101621143A (en) * | 2008-07-04 | 2010-01-06 | 寰波科技股份有限公司 | Phase shifter |
| CN108879035A (en) * | 2018-06-28 | 2018-11-23 | 京信通信系统（中国）有限公司 | Medium slidingtype phase shifter and antenna for base station |
Also Published As
| Publication number | Publication date |
|---|---|
| CN111816959A (en) | 2020-10-23 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN108879035B (en) | Dielectric sliding type phase shifter and base station antenna | |
| CN109638391B (en) | Medium moving type phase shifter and base station antenna | |
| CN112103653A (en) | Rotary arc phase shifter | |
| US6034636A (en) | Planar antenna achieving a wide frequency range and a radio apparatus used therewith | |
| US8907744B2 (en) | Multi-line phase shifter having a fixed plate and a mobile plate in slideable engagement to provide vertical beam-tilt | |
| CN109638457B (en) | Antenna and phase-shift feed device | |
| CN106450763B (en) | Dielectric phase shift unit, dielectric phase shifter and base station antenna | |
| CN104810577A (en) | Base station tunable antenna broadband and slow wave phase shifter | |
| CN104681896A (en) | Integrated multipath dielectric phase shifter | |
| US11128050B1 (en) | Antenna structure | |
| CN111816959B (en) | Phase shifting module and phase shifter with same | |
| CN212542636U (en) | High-performance cavity phase shifter applied to 5G system | |
| CN112886194A (en) | Antenna structure | |
| CN214254738U (en) | Integrated double-channel power division phase shifter with multilayer structure | |
| CN102306872B (en) | Symmetrical multichannel power division phase shifter of electro-governing antenna | |
| CN106571527A (en) | Base station electrically adjustable antenna phase shifter and multiband common base station antenna | |
| CN113328217A (en) | Power division and phase shift integrated assembly and base station antenna | |
| CN212485507U (en) | Dielectric sliding type phase shifter and base station antenna | |
| CN210926249U (en) | Microwave device and antenna | |
| CN113241506A (en) | Cavity medium sliding type phase shifter and base station antenna | |
| CN115966906A (en) | Filtering phase shifter and antenna | |
| AU2022321036B2 (en) | Phase shifter with adjustable output mode and antenna | |
| CN101546989B (en) | Variable attenuator | |
| CN113078462B (en) | Broadband electrically-adjustable parasitic unit antenna covering WLAN frequency band | |
| CN109713405A (en) | A kind of ultra wide band 1710-2700MHz 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: 20220614 Address after: Five 510641 mountain road, Guangzhou, Guangdong, Tianhe District Patentee after: SOUTH CHINA University OF TECHNOLOGY Patentee after: GUANGDONG SHENGLU TELECOMMUNICATION TECH. Co.,Ltd. Patentee after: Guangdong Shenglu Communication Co.,Ltd. Address before: Five 510641 mountain road, Guangzhou, Guangdong, Tianhe District Patentee before: SOUTH CHINA University OF TECHNOLOGY Patentee before: Guangdong Shenglu Communication Technology Co., Ltd |
|
| TR01 | Transfer of patent right |