CN110676571A - 5G standard 4.9GHz broadband small-sized dual-polarized oscillator - Google Patents
5G standard 4.9GHz broadband small-sized dual-polarized oscillator Download PDFInfo
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- 239000004020 conductor Substances 0.000 claims description 6
- 230000009977 dual effect Effects 0.000 claims description 5
- 230000010287 polarization Effects 0.000 claims 1
- 238000004891 communication Methods 0.000 abstract description 3
- 238000002955 isolation Methods 0.000 description 9
- 238000010586 diagram Methods 0.000 description 5
- 230000009286 beneficial effect Effects 0.000 description 4
- 238000010295 mobile communication Methods 0.000 description 4
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- H—ELECTRICITY
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- H01Q1/52—Means for reducing coupling between antennas; Means for reducing coupling between an antenna and another structure
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q1/00—Details of, or arrangements associated with, antennas
- H01Q1/36—Structural form of radiating elements, e.g. cone, spiral, umbrella; Particular materials used therewith
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q1/00—Details of, or arrangements associated with, antennas
- H01Q1/36—Structural form of radiating elements, e.g. cone, spiral, umbrella; Particular materials used therewith
- H01Q1/38—Structural form of radiating elements, e.g. cone, spiral, umbrella; Particular materials used therewith formed by a conductive layer on an insulating support
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- H—ELECTRICITY
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- H01Q—ANTENNAS, i.e. RADIO AERIALS
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Abstract
The invention belongs to the technical field of wireless communication base station antennas, and particularly relates to a 5G standard 4.9GHz broadband small dual-polarized oscillator which comprises an emitter, an oscillator base and a balun arranged between the emitter and the oscillator base and used for feeding the emitter; the radiating body comprises a medium substrate and a radiating sheet arranged on the medium substrate, the radiating sheet comprises four T-shaped sub-radiating sheets and comprises a transverse part and a vertical part which are perpendicular to each other, a T-shaped hollow part is arranged in the radiating sheet, the transverse parts of the four T-shaped sub-radiating sheets are not in contact with each other, the T-shaped hollow part comprises a transverse hollow part and a vertical hollow part, the transverse hollow part divides the transverse part into a transverse part I close to the vertical part and a transverse part II far away from the vertical part, the vertical part divides the vertical part into a vertical part I and a vertical part II, the vertical part I of each T-shaped sub-radiating sheet is connected with the vertical part II of the adjacent T-shaped sub-radiating sheet to form a closed space, and the four T-shaped hollow parts are communicated with each other through the vertical hollow parts; the width of the first transverse part is a1, the width of the second transverse part is a2, and a1 is larger than a 2.
Description
Technical Field
The invention belongs to the technical field of wireless communication base station antennas, and particularly relates to a 5G standard 4.9GHz broadband small dual-polarized oscillator.
Background
In recent years, mobile communication technology has been rapidly developed, and the fifth generation mobile communication technology (5 th generation mobile networks, abbreviated as 5G) is the latest generation cellular mobile communication technology, and the performance targets thereof are high data rate, delay reduction, energy saving, cost reduction, system capacity improvement and large-scale device connection. The antenna is used as a receiving and transmitting end component of a mobile communication system, the performance of the antenna directly influences the performance of communication quality, and particularly, the requirements of higher system capacity, higher transmission rate, lower end-to-end delay and the like are undoubtedly met when the 5G era comes, so that the design requirements of an antenna feed system are stricter, particularly the working bandwidth and the directional diagram consistency of the antenna.
Since the 5G antenna is arranged in a dense array, the conventional radiating element has a high density layout, and the wave width is easily distorted, and therefore, the use of the full-wave oscillator helps to reduce beam distortion. In addition to the need to control beam distortion, there is also a need to meet the requirements of small size, high integration and low profile, with good gain, bandwidth convergence, low isolation and pattern characteristics. As the radiating part of the antenna, the antenna puts higher demands on the size and performance of the element, and it is generally required to ensure that the size of the antenna is small while not degrading the performance of the antenna. Therefore, it is necessary to provide a 5G-type 4.9GHz dual-polarized oscillator, which has a small size and a low profile, and ensures high gain, low isolation, wave width convergence, and directional pattern uniformity.
Disclosure of Invention
In order to ensure that the 5G standard 4.9GHz broadband dual-polarized oscillator has small size and low section and can ensure high gain, low isolation, wave width convergence and directional diagram consistency, the invention discloses a 5G standard 4.9GHz broadband small dual-polarized oscillator, wherein a radiating sheet consists of four T-shaped sub-radiating sheets, the inside of the radiating sheet is a communicated hollow structure, and the design of the radiating sheet structure is beneficial to obtaining the effects of high gain, low isolation, wave width convergence and high directional diagram consistency under smaller oscillator size.
In order to achieve the purpose, the invention adopts the following technical scheme:
A5G standard 4.9GHz broadband small-sized dual-polarized oscillator comprises an emitter, an oscillator base and a balun which is arranged between the emitter and the oscillator base and feeds the emitter; the radiating body comprises a medium substrate and a radiating sheet arranged on the upper surface of the medium substrate, the radiating sheet comprises four T-shaped sub radiating sheets, the T-shaped sub radiating sheets comprise a transverse part and a vertical part which are perpendicular to each other, a corresponding T-shaped hollow part is arranged inside the T-shaped sub radiating sheets, the transverse parts of the four T-shaped sub radiating sheets are not in contact with each other, the T-shaped hollow part comprises a transverse hollow part and a vertical hollow part which are perpendicular to each other, the transverse hollow part divides the transverse part into a transverse part I close to the vertical part and a transverse part II far away from the vertical part, the vertical hollow part divides the vertical part into a vertical part I and a vertical part II, the vertical part I of each T-shaped sub radiating sheet is connected with the vertical part II of the adjacent T-shaped sub radiating sheet to form a closed space, and the four T-shaped hollow parts are communicated with each other through the vertical hollow parts; the width of the first transverse part is a1, the width of the second transverse part is a2, and a1 is larger than a 2.
Preferably, the widths of the first vertical part and the second vertical part are both b1, and a1 is equal to b 1.
Preferably, the farthest distance between two opposite T-shaped sub-radiation pieces of the radiation piece is d, and d is 1/2 λ; the thickness of the dielectric substrate is less than 0.8mm, and the dielectric constant is less than 3.0.
Preferably, both ends of the lateral portions have straight chamfers on a side close to the vertical portion, and a passage is formed between two adjacent lateral portions.
Preferably, the passage has a flare at an end remote from the upright portion, the flare flaring diverging to two sides.
Preferably, the balun includes balun one and balun two;
the balun first comprises a balun substrate I, a front coupling piece I and a back coupling piece I, a notch I is formed in the center of the balun substrate I, an upper connecting portion I is arranged on each of two sides of the notch I, two lower connecting portions I are arranged at one end, opposite to the two upper connecting portions, of the balun substrate I, the front coupling piece I is M-shaped, the M-shaped front coupling piece I is arranged on the front face of the balun substrate I, the notch I is located right above the M-shaped front coupling piece I, the left end of the M-shaped front coupling piece I extends to the corresponding lower connecting portion I, the back coupling piece I is arranged on the back face of the balun substrate I and is divided into two parts by a central area where the notch I is located;
the balun II comprises a balun substrate II, a positive coupling piece II and a back coupling piece II, a notch II matched with the notch I is arranged in the center of the balun substrate II, a lower connecting part II is arranged on each of two sides of the notch II, two upper connecting parts II are arranged at one ends of the balun substrate II opposite to the two lower connecting parts II, the positive coupling piece II is in an inverted U shape and arranged on the front side of the balun substrate II, the notch II is located in the inverted U-shaped positive coupling piece II, the right end of the inverted U-shaped positive coupling piece II extends to the corresponding lower connecting part II, and the back coupling piece II is arranged on the back side of the balun substrate II and is divided into two parts by a central area where the notch II is located;
the radiator is provided with four first connecting holes which are respectively positioned at the position where the first vertical parts and the second vertical parts of the four T-shaped sub-radiating pieces are connected in pairs;
the vibrator base is provided with four connecting holes II corresponding to the connecting holes I and two connecting sheets, and one ends of the two connecting sheets extend to the two connecting holes II respectively;
the first balun and the second balun are vertically connected with each other through the first notch and the second notch, are connected with the radiating body through the matching of the first upper connecting portion and the second upper connecting portion with the first connecting hole, and are connected with the vibrator base through the matching of the first lower connecting portion and the second lower connecting portion with the second connecting hole.
Preferably, the top of the second inverted U-shaped positive coupling piece is inverted V-shaped, and the second notch is located right below the inverted V-shaped.
Preferably, the connecting sheet is disposed on a side of the vibrator base away from the radiator, the vibrator base is provided with a groove, and the connecting sheet is disposed in the groove.
Preferably, the heights of the first balun substrate and the second balun substrate are h, h is 1/5 lambda-1/4 lambda, the thicknesses of the first balun substrate and the second balun substrate are 0.5-0.8mm, and the dielectric constants of the first balun substrate and the second balun substrate are less than 3.0; the width of the oscillator base is w, the w is 1/4 lambda, the thickness is 1mm, and the dielectric constant is less than 3.0.
Preferably, the radiation sheet, the front coupling sheet I, the back coupling sheet I, the front coupling sheet II, the back coupling sheet II and the connecting sheet are all good conductors, and the thickness of the radiation sheet, the front coupling sheet I, the back coupling sheet I, the front coupling sheet II, the back coupling sheet II and the connecting sheet is 0.035 mm; the width of the first positive coupling piece and the width of the second positive coupling piece are both 1.5-1 mm.
The invention has the following beneficial effects: according to the dual-polarized oscillator, the radiation piece is composed of four T-shaped sub-radiation pieces, and the interior of the radiation piece is of a communicated hollow structure, so that the design of the radiation piece structure is beneficial to obtaining the effects of high gain, low isolation, wave width convergence and high directional diagram consistency under the condition of smaller oscillator size; the length of the radiation sheet is 1/2 lambda, the balun height is 1/5 lambda-1/4 lambda, and the radiation sheet has the characteristics of high gain, low isolation and wave width convergence while achieving a low profile; under the condition of the same oscillator size and the number of units, the antenna radiation parameters and the circuit parameters can reach the optimum, and the overall data of the oscillator is obviously superior to that of products with the same function in the market.
Drawings
The invention is further illustrated with reference to the following figures and examples.
FIG. 1 is a schematic structural view of the present invention;
fig. 2 is a schematic view of the structure of the radiator of the present invention;
fig. 3 is a schematic view of a radiator structure according to another embodiment of the present invention;
FIG. 4 is a front view of a balun of the present invention;
FIG. 5 is a rear view of balun one of the present invention;
FIG. 6 is a front view of balun two of the present invention;
FIG. 7 is a rear view of balun two of the present invention;
fig. 8 is a schematic structural view (bottom view) of the vibrator base according to the present invention;
fig. 9 is a perspective view of the dual polarized vibrator of the present invention (showing the strap positions);
FIG. 10 is a voltage standing wave ratio of the dual polarized vibrator of the present invention;
FIG. 11 is the dual polarized oscillator port isolation of the present invention;
FIG. 12 is an H-plane radiation pattern of the dual polarized dipole of the present invention;
in the figure: 1. a vibrator base; 11. a second connecting hole; 12. connecting sheets; 13. a groove; 2. a balun; 21. a first balun; 211. a first balun substrate; 2111. a first notch; 2112. an upper connecting part I; 2113. a first lower connecting part; 212. a positive coupling sheet I; 213. a first back coupling sheet; 22. a second balun; 221. a second balun substrate; 2211. a second notch; 2212. a second lower connecting part; 2213. an upper connecting part II; 222. a positive coupling sheet II; 223. a second back coupling sheet; 3. a dielectric substrate; 41. a transverse portion; 411. a first transverse part; 412. a second transverse part; 42. a vertical portion; 421. a first vertical part; 422. a second vertical part; 431. a horizontal hollow-out section; 432. a vertical hollow part; 44. a channel; 441. flaring; 5. and a first connecting hole.
Detailed Description
The present invention will now be described in further detail with reference to examples.
A5G standard 4.9GHz broadband small dual-polarized oscillator is shown in figures 1-2 and comprises an emitter, an oscillator base 1 and a balun 2 arranged between the emitter and the oscillator base 1 and used for feeding the emitter; the radiator comprises a medium substrate 3 and a radiation sheet arranged on the upper surface of the medium substrate 3, the radiation sheet comprises four T-shaped sub radiation sheets, the T-shaped sub radiation sheets comprise a transverse part 41 and a vertical part 42 which are perpendicular to each other, a corresponding T-shaped hollow part is arranged inside the radiation sheet, the transverse parts 41 of the four T-shaped sub radiation sheets are not in contact with each other, the T-shaped hollow part comprises a transverse hollow part 431 and a vertical hollow part 432 which are perpendicular to each other, the transverse hollow part 431 divides the transverse part 41 into a transverse part I411 close to the vertical part 42 and a transverse part II 412 far away from the vertical part 42, the vertical hollow part 432 divides the vertical part 42 into a vertical part I421 and a vertical part II 422, the vertical part I421 of each T-shaped sub radiation sheet is connected with the vertical part II 422 of the adjacent T-shaped sub radiation sheet to form a closed space, and the four T-shaped hollow parts are mutually communicated through the vertical hollow parts 432; the width of the first transverse portion 411 is a1, the width of the second transverse portion 412 is a2, and a1 is greater than a 2. In particular embodiments, the appropriate a1 and a2 sizes may be tailored to specific parameter requirements.
In one specific embodiment, as shown in fig. 2, the widths of the first upright section 421 and the second upright section 422 are both b1, with a1 equal to b 1.
In a specific embodiment, as shown in fig. 2, the farthest distance between two opposite T-shaped sub-radiation pieces of the radiation piece is d, and d is 1/2 λ; the thickness of the dielectric substrate 3 is less than 0.8mm, and the dielectric constant is less than 3.0.
In a particular embodiment, as shown in fig. 2, both ends of the transverse portions 41 have a straight chamfer on the side close to the vertical portion 42, forming a channel 44 between two adjacent transverse portions 41. Since a gap is required between two adjacent radiating arms (i.e. T-shaped sub-radiating fins), the length of the radiating arms can be increased by arranging the gap in the form of the channel 44, and the arrangement of the channel 44 helps to reduce the standing wave of the radiating element.
In a particular embodiment, as shown in FIG. 3, the channel 44 has a flared mouth 441 that flares to two sides at the end remote from the riser 42. The provision of the flared end 441 facilitates lengthening of the radiation path.
In one particular embodiment, as shown in fig. 1-9, balun 2 includes balun one 21 and balun two 22; the balun I21 comprises a balun substrate I211, a front coupling piece I212 and a back coupling piece I213, a notch I2111 is formed in the center of the balun substrate I211, an upper connecting portion I2112 is respectively arranged on two sides of the notch I2111 of the balun substrate I211, two lower connecting portions I2113 are arranged at one end, opposite to the two upper connecting portions I2112, of the balun substrate I211, the front coupling piece I212 is M-shaped, the M-shaped front coupling piece I212 is arranged on the front face of the balun substrate I211, the notch I2111 is located right above the M-shaped front coupling piece I212, the left end of the M-shaped front coupling piece I212 extends to the corresponding lower connecting portion I2113, the back coupling piece I213 is arranged on the back face of the balun substrate I211 and is divided into two parts by the central area where the notch I2111 is located; the second balun 22 comprises a second balun substrate 221, a second front coupling piece 222 and a second back coupling piece 223, wherein the center of the second balun substrate 221 is provided with a second notch 2211 matched with the first notch 2111, the second balun substrate 221 is provided with a second lower connecting portion 2212 at two sides of the second notch 2211, the second balun substrate 221 is provided with two second upper connecting portions 2213 at one end opposite to the two second lower connecting portions 2212, the second front coupling piece 222 is in an inverted U shape and is arranged on the front side of the second balun substrate 221, the second notch 2211 is located inside the second inverted U-shaped front coupling piece 222, the right end of the second inverted U-shaped front coupling piece 222 extends to the corresponding second lower connecting portion 2212, and the second back coupling piece 223 is arranged on the back side of the second balun substrate 221 and is divided into two parts by the central area where the second notch 2211 is located; the radiator is provided with four connecting holes I5, and the four connecting holes I5 are respectively positioned at the position where the vertical parts I421 and II 422 of the four T-shaped sub-radiating sheets are connected in pairs; the vibrator base 1 is provided with four connecting holes II 11 corresponding to the connecting holes I5 and two connecting pieces 12, and one ends of the two connecting pieces 12 extend to the two connecting holes II 11 respectively; the first balun 21 and the second balun 22 are vertically connected with each other through the first notch 2111 and the second notch 2211, are connected with the radiator through the matching of the first upper connecting portion 2112 and the second upper connecting portion 2213 with the first connecting hole 5, and are connected with the vibrator base 1 through the matching of the first lower connecting portion 2113 and the second lower connecting portion 2212 with the second connecting hole 11. The vertical distance from the top of the second positive coupling piece 222 to the second upper connecting part 2213 is greater than 1mm, namely the distance from the top of the second positive coupling piece 222 to the dielectric substrate 3 is greater than 1 mm. In a specific embodiment, the distance between the two back-coupling pieces 223 divided into two parts by the central area of the second notch 2211 is about 1.5 mm.
The oscillator adopts coupling feed, the first positive coupling piece 212 is arranged to be M-shaped, and the second positive coupling piece 222 is arranged to be inverted U-shaped, so that the length of a coupling line is prolonged, and the standing-wave ratio is reduced.
In a specific embodiment, as shown in fig. 6, the top of the second inverted U-shaped positive coupling piece 222 is inverted V-shaped, and the second notch 2211 is located right below the inverted V-shape. This approach has better impedance matching.
In a specific embodiment, as shown in fig. 8-9, the connection pad 12 is disposed on the side of the vibrator base 1 away from the radiator, the vibrator base 1 is provided with a groove 13, and the connection pad 12 is disposed in the groove 13. The connecting sheet 12 is arranged on one side of the oscillator base 1 away from the radiator, so that the array antenna is convenient to assemble and weld.
In a specific embodiment, as shown in fig. 4 and 6, the heights of the first balun substrate 211 and the second balun substrate 221 are both h, h is 1/5 λ -1/4 λ, the thicknesses are both 0.5-0.8mm, and the dielectric constants are both less than 3.0; the width of the vibrator base 1 is w, w is 1/4 lambda, the thickness is 1mm, and the dielectric constant is less than 3.0. The lower height of the balun provides the low profile advantage of the vibrator of the present invention.
In a specific embodiment, the radiation plate, the first positive coupling plate 212, the first back coupling plate 213, the second positive coupling plate 222, the second back coupling plate 223 and the connecting plate 12 are all made of benign conductors, and the thicknesses of the benign conductors and the connecting plate are all 0.035 mm; the widths of the first positive coupling piece 212 and the second positive coupling piece 222 are both 1.5-1 mm. In the embodiment, the material used for the radiation plate, the first positive coupling plate 212, the first back coupling plate 213, the second positive coupling plate 222, the second back coupling plate 223 and the connection plate 12 may be a good conductor such as copper, aluminum, etc.
The dual-polarized oscillator of the invention is simulated by HFSS software to obtain the parameter diagram of the radiating element at 4.8-5 GHz.
As can be seen from FIG. 10, the Voltage Standing Wave Ratio (VSWR) impedance matching of the vibrator is good, and can completely meet 4.8-5 GHz.
As can be seen from fig. 11, the port isolation is greater than 30dB, which is beneficial to the miniaturization of the matrix and reduces the difficulty in debugging the isolation.
As can be seen from fig. 12, the oscillator of the present invention has high gain, good front-to-back ratio, and good symmetry in the horizontal and vertical direction patterns, which indicates that the broadband dual-polarized oscillator of the present invention has good radiation characteristics.
In light of the foregoing description of the preferred embodiment of the present invention, many modifications and variations will be apparent to those skilled in the art without departing from the spirit and scope of the invention. The technical scope of the present invention is not limited to the content of the specification, and must be determined according to the scope of the claims.
Claims (10)
1. The utility model provides a small-size dual polarization oscillator of 4.9GHz broadband of 5G standard which characterized in that: the antenna comprises a radiator, a vibrator base (1) and a balun (2) which is arranged between the radiator and the vibrator base (1) and feeds power to the radiator; the radiator comprises a medium substrate (3) and a radiation sheet arranged on the upper surface of the medium substrate (3), the radiation sheet comprises four T-shaped sub radiation sheets, each T-shaped sub radiation sheet comprises a transverse part (41) and a vertical part (42) which are perpendicular to each other, a corresponding T-shaped hollow part is arranged inside each T-shaped sub radiation sheet, the transverse parts (41) of the four T-shaped sub radiation sheets are not in contact with each other, each T-shaped hollow part comprises a transverse hollow part (431) and a vertical hollow part (432) which are perpendicular to each other, the transverse hollow parts (431) divide the transverse parts (41) into a transverse part I (411) close to the vertical parts (42) and a transverse part II (412) far away from the vertical parts (42), each vertical part I (421) and a vertical part II (422) divide the vertical parts (42) into a vertical part I (421) and a vertical part II (422), and each vertical part I (421) of each T-shaped sub radiation sheet is connected with the vertical part II (422) of the adjacent T-shaped sub radiation sheet, a closed space is formed, and the four T-shaped hollow parts are mutually communicated through a vertical hollow part (432); the width of the first transverse part (411) is a1, the width of the second transverse part (412) is a2, and a1 is larger than a 2.
2. The 5G standard 4.9GHz broadband small dual-polarized oscillator of claim 1, wherein: the widths of the first vertical part (421) and the second vertical part (422) are both b1, and the a1 is equal to b 1.
3. The 5G standard 4.9GHz broadband small dual-polarized oscillator of claim 1, wherein: the farthest distance between two opposite T-shaped sub-radiation pieces of the radiation piece is d, and d is 1/2 lambda; the thickness of the dielectric substrate (3) is less than 0.8mm, and the dielectric constant is less than 3.0.
4. The 5G standard 4.9GHz broadband small dual-polarized oscillator of claim 1, wherein: both ends of the transverse portion (41) have a straight chamfer on the side close to the vertical portion (42), forming a channel (44) between two adjacent transverse portions (41).
5. The 5G standard 4.9GHz broadband miniature dual-polarized oscillator of claim 4, wherein: the channel (44) has a flared end (441) which widens to both sides at the end remote from the upright (42).
6. The 5G standard 4.9GHz broadband small dual-polarized oscillator of claim 1, wherein: the balun (2) comprises a balun one (21) and a balun two (22);
the balun I (21) comprises a balun substrate I (211), a positive coupling sheet I (212) and a back coupling sheet I (213), a notch I (2111) is formed in the center of the balun substrate I (211), an upper connecting part I (2112) is respectively arranged on each of two sides of the notch I (2111) of the balun substrate I (211), the first balun substrate (211) is provided with two first lower connecting parts (2113) at one end opposite to the two first upper connecting parts (2112), the first positive coupling piece (212) is M-shaped, the first M-shaped positive coupling piece (212) is arranged on the front surface of the first balun substrate (211), and the first notch (2111) is positioned right above the first M-shaped positive coupling piece (212), the left end of the M-shaped positive coupling piece I (212) extends to the corresponding lower connecting part I (2113), the first back coupling piece (213) is arranged on the back surface of the first balun substrate (211) and is divided into two parts by a central area where the first notch (2111) is located;
the balun II (22) comprises a balun substrate II (221), a positive coupling sheet II (222) and a back coupling sheet II (223), the second balun substrate (221) is provided with a second notch (2211) matched with the first notch (2111) in the center, the second balun substrate (221) is provided with a second lower connecting part (2212) at two sides of the second notch (2211), the second balun substrate (221) is provided with two second upper connecting parts (2213) at one end opposite to the two second lower connecting parts (2212), the second positive coupling piece (222) is in an inverted U shape and is arranged on the front surface of the second balun substrate (221), so that the second notch (2211) is positioned inside the second inverted U-shaped positive coupling piece (222), the right end of the second inverted U-shaped positive coupling piece (222) extends to the corresponding second lower connecting part (2212), the second back coupling piece (223) is arranged on the back surface of the second balun substrate (221) and is divided into two parts by the central area where the second notch (2211) is located;
the radiator is provided with four first connecting holes (5), and the four first connecting holes (5) are respectively positioned at the position where the first vertical parts (421) and the second vertical parts (422) of the four T-shaped sub-radiating sheets are connected in pairs;
the vibrator base (1) is provided with four connecting holes II (11) corresponding to the connecting holes I (5) and two connecting pieces (12), and one ends of the two connecting pieces (12) extend to the two connecting holes II (11) respectively;
the first balun (21) and the second balun (22) are vertically connected with each other through the first notch (2111) and the second notch (2211), are connected with the radiator through the matching of the first upper connecting portion (2112) and the second upper connecting portion (2213) with the first connecting hole (5), and are connected with the vibrator base (1) through the matching of the first lower connecting portion (2113) and the second lower connecting portion (2212) with the second connecting hole (11).
7. The 5G standard 4.9GHz broadband miniature dual-polarized oscillator of claim 6, wherein: the top of the second inverted-U-shaped positive coupling piece (222) is inverted-V-shaped, and the second notch (2211) is located right below the inverted-V-shaped.
8. The 5G standard 4.9GHz broadband miniature dual-polarized oscillator of claim 6, wherein: the connection piece (12) is arranged on one side, away from the radiating body, of the vibrator base (1), a groove (13) is formed in the vibrator base (1), and the connection piece (12) is arranged in the groove (13).
9. The 5G standard 4.9GHz broadband miniature dual-polarized oscillator of claim 6, wherein: the heights of the first balun substrate (211) and the second balun substrate (221) are both h, h is 1/5 lambda-1/4 lambda, the thicknesses of the first balun substrate and the second balun substrate are both 0.5-0.8mm, and the dielectric constants of the first balun substrate and the second balun substrate are both less than 3.0; the width of the vibrator base (1) is w, w is 1/4 lambda, the thickness is 1mm, and the dielectric constant is less than 3.0.
10. The 5G standard 4.9GHz broadband miniature dual-polarized oscillator of any of claims 6-9, wherein: the radiation sheet, the first positive coupling sheet (212), the first back coupling sheet (213), the second positive coupling sheet (222), the second back coupling sheet (223) and the connecting sheet (12) are all made of benign conductors, and the thicknesses of the benign conductors are 0.035 mm; the widths of the first positive coupling piece (212) and the second positive coupling piece (222) are both 1.5-1 mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911074427.5A CN110676571A (en) | 2019-11-06 | 2019-11-06 | 5G standard 4.9GHz broadband small-sized dual-polarized oscillator |
Applications Claiming Priority (1)
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| CN112910437A (en) * | 2021-01-22 | 2021-06-04 | 北京邮电大学 | High-isolation output and broadband matching IPD radio frequency balun chip |
| WO2023168237A1 (en) * | 2022-03-02 | 2023-09-07 | Commscope Technologies Llc | Radiating element, antenna assembly and base station antenna |
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| WO2023168237A1 (en) * | 2022-03-02 | 2023-09-07 | Commscope Technologies Llc | Radiating element, antenna assembly and base station antenna |
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