CN210984936U - Printed circuit board for base station antenna - Google Patents

Abstract

The utility model relates to a printed circuit board for base station antenna, printed circuit board has the dielectric layer and prints first conducting trace and the second conducting trace that intersect each other on this dielectric layer, first conducting trace has two trace sections separated by the second conducting trace, the adjacent tip that is separated by the second conducting trace of two trace sections is connected through the jumper electricity, the jumper has the electric conductor, electrically isolates and fixes on printed circuit board with second conducting trace, wherein, the electric conductor with two trace sections are in adjacent tip department electricity is connected. The printed circuit board allows flexible routing of the conductive traces on the printed circuit board.

Description

Printed circuit boards for base station antennas

technical field

The utility model relates to the technical field of base station antennas, and more particularly to a printed circuit board for base station antennas. For example, the printed circuit board can be used as a feeding board or a calibration board.

Background technique

A mobile communication network includes a large number of base stations, each of which may include one or more base station antennas for receiving and transmitting radio frequency (RF) signals. A single base station antenna may include many radiating elements, which may also be referred to as radiators, antenna elements, or antenna elements, among others. These radiating elements may be mounted on a substrate, which may include a feeder plate and a reflector plate, and may optionally include a collimation plate. The feed board and the calibration board can be implemented using printed circuit boards, respectively.

Especially in the 5G era, the number of radiating elements provided per unit area on a substrate is constantly increasing. Correspondingly, the density of the conductive traces for the radiating elements on the feeding board is also increasing, which makes the routing of the conductive traces on the feeding board more and more difficult.

Utility model content

The purpose of the present invention is to provide a printed circuit board for a base station antenna, whereby flexible wiring on the printed circuit board can be realized.

In order to achieve said object, a printed circuit board for a base station antenna is proposed, the printed circuit board having a dielectric layer and first and second conductive traces printed on the dielectric layer crossing each other line, the first conductive trace has two trace sections separated by a second conductive trace, the adjacent ends of the two trace sections separated by the second conductive trace passing through A jumper wire is electrically connected, the jumper wire has an electrical conductor, is electrically isolated from a second conductive trace, and is secured to a printed circuit board, wherein the electrical conductor is adjacent to the two trace segments are electrically connected at the ends.

A beneficial technical effect of the present invention is that, in this configuration, the crossing of conductive traces can be allowed, and the conductive traces crossing each other can be electrically isolated from each other.

The printed circuit board may be referred to as a large board, a large printed circuit board or a main printed circuit board.

In some embodiments, the jumper may be a separate component and may be fixed to the printed circuit board by soldering, wherein the electrical conductor may be connected to the two trace segments at the The adjacent ends are electrically connected by soldering.

In some embodiments, the jumper can have plug-in elements that can be inserted into holes in the printed circuit board.

In some embodiments, the jumper can consist only of the electrical conductor, which can be configured as a bridge-shaped element, and which can have at least one pin as the plug-in element.

In some embodiments, the electrical conductor may have two pairs of pins, and the printed circuit board may have corresponding pins receiving these pins in the region of the adjacent ends of the two trace segments Two pairs of holes.

In some embodiments, the printed circuit board can have a ground plane that can have openings for electrical isolation around holes for receiving pins.

In some embodiments, the jumper may be constructed as a printed circuit board element, which may have a dielectric layer and conductive traces as the electrical conductors.

In some embodiments, the printed circuit board element can be a separate component and can be fixed to the printed circuit board by soldering, wherein the conductive traces of the printed circuit board element can be connected to all The two trace segments are electrically connected at the adjacent ends by soldering.

In some embodiments, the printed circuit board element may be made integrally with the printed circuit board.

In some embodiments, the printed circuit board element may be arranged vertically on the printed circuit board.

In some embodiments, the printed circuit board element can be configured as a bridge-shaped element having two legs, the printed circuit board in the region of the adjacent ends having the The two holes into which the two legs are inserted, the conductive traces of the printed circuit board element are soldered to the adjacent ends of the two trace sections in the region of the two legs.

In some embodiments, the printed circuit board may have a ground plane, and the printed circuit board component may have a ground plane, and at least one of the two holes may be configured as a metallized via by Soldering in the metallized vias, the ground plane of the printed circuit board element is electrically connected to the ground plane of the printed circuit board.

In some embodiments, the printed circuit board element may be arranged flat on the printed circuit board.

In some embodiments, the conductive traces of the printed circuit board element may be on a side of the dielectric layer of the printed circuit board element facing away from the printed circuit board, the printed circuit board element having Two metallized vias in contact with conductive traces of the printed circuit board element through which the first metallized via and all of the two trace sections pass. One of the adjacent ends is electrically connected and is electrically connected to the other of the adjacent ends of the two trace segments through a second metallized via therein.

In some embodiments, the printed circuit board element may be soldered to one of the adjacent ends of the two trace segments through a first metallization via, and may be soldered through a second metallization A via is soldered to the other of the adjacent ends of the two trace segments.

In some embodiments, the printed circuit board may have a ground plane, and the printed circuit board component may have a ground plane, the ground plane of the printed circuit board component being connected to the ground plane of the printed circuit board Electrical connections may be made through third metallized vias extending in the printed circuit board and the printed circuit board components.

In some embodiments, the printed circuit board element may have an additional dielectric layer on the side of its ground plane opposite the dielectric layer of the printed circuit board element.

In some embodiments, the printed circuit board may have three adjacent first conductive traces extending side-by-side, the three first conductive traces may be configured as a coplanar waveguide structure, with one central The first conductive traces are formed as signal traces, the other two first conductive traces are formed as ground traces, the three first conductive traces are respectively interrupted by the second conductive traces into two trace sections , the corresponding two trace sections of each first conductive trace are electrically connected by a common jumper. Alternatively, each of the first conductive traces may be electrically connected by respective jumpers.

In some embodiments, the printed circuit board element may have three conductive traces extending adjacently side by side as the electrical conductors, each conductive trace of the printed circuit board element passing through a corresponding A metallized via is electrically connected to the two adjacent ends of one of the three first conductive traces.

In some embodiments, the first and second conductive traces may each be microstrip lines.

In some embodiments, the printed circuit board may be a feeder board for a radiating element of a base station antenna. Alternatively, the printed circuit board may be a calibration board for base station antennas.

The aforementioned technical features, the technical features to be described later, and the technical features shown in the accompanying drawings can be arbitrarily combined with each other, even if they are mentioned in different paragraphs or in different embodiments, as long as they are not contradictory to each other of. All technically feasible feature combinations are included in this application.

Description of drawings

The present invention will be further described below with reference to the accompanying drawings by means of specific embodiments. In the attached image:

1 and 2 are schematic perspective and exploded views of a printed circuit board for a base station antenna according to a first embodiment;

3 and 4 are schematic perspective and exploded views of a printed circuit board for a base station antenna according to a second embodiment;

5 and 6 are schematic perspective and exploded views of a printed circuit board for a base station antenna according to a third embodiment;

7 and 8 are schematic perspective views and partial cross-sectional views of a printed circuit board for a base station antenna according to a fourth embodiment; and

9 and 10 are schematic perspective and exploded views of a printed circuit board for a base station antenna according to a fifth embodiment.

Detailed ways

1 and 2 are schematic perspective and exploded views of a printed circuit board for a base station antenna according to a first embodiment. In Figures 1 and 2, a printed circuit board for a base station antenna is partially depicted. The printed circuit board can be, for example, a feeding board for a base station antenna, the feeding board can form a board assembly with a reflector not shown, and a plurality of radiating elements not shown can also be distributed on the board assembly Above, these radiating elements can transmit and/or receive radio frequency signals. A number of conductive traces can be provided on the feeder board, which are electrically connected to the corresponding radiating elements. It is also conceivable that the printed circuit board may be a calibration board for the base station antenna, which calibration board may be configured to calibrate the amplitude and phase of the individual radiating elements of the base station antenna. The conductive traces on the printed circuit board may be microstrip lines, strip lines, or other conductors applied to the dielectric layer of the printed circuit board, respectively.

In the first embodiment, the printed circuit board has a dielectric layer 4 , a solder resist layer 5 provided on one side of the dielectric layer 4 , and a ground layer 6 provided on the other side of the dielectric layer 4 . The layers may be formed integrally. The solder mask layer 5 is typically a lacquer layer applied over the dielectric layer. The ground layer 6 is typically a conductive material applied over the dielectric layer. The printed circuit board has a first conductive trace 1 and a second conductive trace 2 which are printed on a dielectric layer 4 and intersect with each other, as shown in FIG. 1 . A single first conductive trace 1 and a single second conductive trace 2 can be seen in FIGS. 1 and 2 . However, it is conceivable that a single first conductive trace 1 may cross each other with a plurality of second conductive traces 2 extending side by side, or a plurality of first conductive traces 1 extending side by side may extend side by side with a plurality of The second conductive traces 2 cross each other. The first conductive trace 1 has two trace sections 11 separated by a second conductive trace 2 , the adjacent ones of which are separated by the second conductive trace 2 . The ends 12 are electrically connected by jumpers 3 .

In the first embodiment, the jumper 3 may comprise electrical conductors, which may be made of sheet metal, and which may be configured as bridge-shaped elements. The bridge-shaped element has a curved portion and two end regions 13 . The second conductive trace 2 passes through the arch from below and is electrically isolated from the jumper 3 . Each end region 13 has two pins 14 . These pins 14 can be inserted into corresponding holes in the printed circuit board. The printed circuit board has, in the region of the adjacent ends 12 of the two trace sections 11 , corresponding two pairs of holes for receiving the pins 14 . The holes may or may not extend over the entire thickness of the printed circuit board, eg the holes may extend only through the solder mask 5 and partially into the dielectric layer 4 , or the holes may extend through the solder mask layer 5 and through the dielectric layer 4 .

In a first embodiment, each end region 13 of the bridge-shaped element can be electrically connected to one of the two adjacent ends 12 of the first conductive trace 1 by soldering. In order to achieve soldering, the solder resist layer 5 may have two openings 15 . Additionally, for improved electrical performance, the ground plane 6 of the printed circuit board may have openings 16 around the holes for receiving the pins 14 for electrically isolating the pins 6 from the ground plane 6 (in some embodiments, the pins 14 completely penetrates the dielectric layer 4).

The respective pins 14 of the bridge element can be used to improve the impedance matching between the bridge element and the printed circuit board, thus improving the return loss performance of the printed circuit board.

3 and 4 are schematic perspective and exploded views of a printed circuit board for a base station antenna according to a second embodiment. In Figures 3 and 4, the printed circuit board is also partially depicted. The printed circuit board can be, for example, a feeder board for a base station antenna.

In the second embodiment, the printed circuit board has a dielectric layer 4 , a solder resist layer 5 provided on one side of the dielectric layer 4 , and a ground layer 6 provided on the other side of the dielectric layer 4 . The layers may be formed integrally. The printed circuit board has a first conductive trace 1 and a second conductive trace 2 printed on a dielectric layer 4 that cross each other. The first conductive trace 1 has two trace sections 11 separated by a second conductive trace 2 , the adjacent ones of which are separated by the second conductive trace 2 . The ends 12 are electrically connected by jumpers 3 .

In the second embodiment, the jumper 3 is also a separate component and is fixed to the printed circuit board by soldering. The jumper 3 is formed as a printed circuit board element with a dielectric layer 22 and a conductive trace 21 arranged on one side of the dielectric layer 22 as the electrical conductor and a conductive trace 21 arranged on the dielectric layer. Ground plane 23 on the other side of 22. Said printed circuit board components for forming jumpers 3 are typically made in one piece. The printed circuit board components may be referred to as small boards or small printed circuit boards.

In the second embodiment, the printed circuit board element is arranged vertically on the printed circuit board, in other words, the plane defined by the main surface of the dielectric layer 22 of the printed circuit board element is substantially perpendicular to the The plane defined by the main surface of the dielectric layer 4 of the printed circuit board. The printed circuit board element is in the form of a bridge element with two legs 25 , which in the region of the adjacent end 12 is supported by the two legs 25 . Two holes 20 are inserted adjacent to the respective ends 12 of the two trace sections 11 of the first conductive trace 1 . The two legs 25 of the printed circuit board element are inserted into corresponding holes 20 in order to mount the printed circuit board element to the printed circuit board. Solder mask 5 includes: a first pair of openings 15 exposing respective ends 12 of trace segments 11; and a second pair of openings 15a over holes 20 in the printed circuit board. The ends of the conductive traces 21 of the printed circuit board element and the corresponding ends 12 of the two trace sections 11 of the first conductive trace 1 (which are exposed through the openings 15 in the solder mask 5 ) )Brazing. In some embodiments, the two holes 20 passing through the printed circuit board can be formed as metallized vias, and by soldering, the ground layer 23 of the printed circuit board component can be connected to the printed circuit board. The ground plane 6 of the circuit board is electrically connected. To this end, the side of the dielectric layer 4 comprising the first and second conductive traces 1 , 2 may further comprise: conductive pads (ie widened areas) at the ends 12 of the trace sections 11 , this pad facilitates the soldering and electrical connection of the conductive trace 21 to the first conductive trace 1; and may also include two further conductive pads which partially or fully surround the hole 20 which facilitates the Soldering and electrical connection of the ground layer 23 to the ground layer 6 . The two holes 20 may be through holes in the printed circuit board, so two slits 16a in the ground layer 6 are visible in FIG. 4, which electrically isolate the ground layer 6 from the conductive traces 21 (to the extent that: When the printed circuit board element is inserted into the hole 20 in the printed circuit board, the conductive traces 21 extend to the ground plane 6).

In the second embodiment, the optional ground plane 23 of the jumper 3 can be used for better impedance matching between the microstrip transmission line on the printed circuit board component and the printed circuit board, thus improving the Return loss performance of printed circuit boards.

5 and 6 are schematic perspective and exploded views of a printed circuit board for a base station antenna according to a third embodiment. In Figures 5 and 6, printed circuit boards for base station antennas are partially depicted. The printed circuit board can be, for example, a feeder board for a base station antenna.

In the third embodiment, the printed circuit board has a dielectric layer 4 , a solder resist layer 5 provided on one side of the dielectric layer 4 , and a ground layer 6 provided on the other side of the dielectric layer 4 . The layers may be formed integrally. The printed circuit board has a first conductive trace 1 and a second conductive trace 2 printed on a dielectric layer 4 that cross each other. The first conductive trace 1 has two trace sections 11 separated by a second conductive trace 2 , the adjacent ones of which are separated by the second conductive trace 2 . The ends 12 are electrically connected by jumpers 3 .

In a third embodiment, the jumper 3 is constructed as a printed circuit board element with a dielectric layer and conductive traces 21 as the electrical conductor, and without a ground layer. The dielectric layer of the printed circuit board element lies flat against the printed circuit board, so that the main surface of the dielectric layer of the printed circuit board and the main surface of the dielectric layer of the printed circuit board element The surfaces are parallel to each other. The printed circuit board element has two metallized vias 10 which are electrically connected to conductive traces 21 . The printed circuit board element is electrically connected by means of soldering to one of the adjacent ends 12 of the two trace sections 11 through a first metallized via therein, and through a second metallization therein A via hole is electrically connected to the other of the adjacent ends 12 of the two trace segments 11 by means of soldering. In order to achieve soldering, the solder resist layer 5 may have two openings 15 .

FIG. 7 is a schematic perspective view of a printed circuit board for a base station antenna according to a fourth embodiment, wherein the printed circuit board is only partially depicted. The printed circuit board can be, for example, a feeder board for a base station antenna. 8 is a partial cross-sectional view of a printed circuit board for a base station antenna according to a fourth embodiment along the longitudinal centerline of the jumper 3, wherein the jumper 3 is depicted on half the length and on the other half of the length A similar configuration is possible.

In the fourth embodiment, the printed circuit board has a dielectric layer 4 and a ground layer 6 arranged on the bottom side of the dielectric layer 4 . The printed circuit board has a first conductive trace 1 and a second conductive trace 2 printed on the top side of the dielectric layer 4 which cross each other. Similar to the case in the previous embodiments, the first conductive trace 1 has two trace sections 11 separated by a second conductive trace 2, the two trace sections 11 being Spaced adjacent ends 12 of the second conductive traces 2 are electrically connected by jumpers 3 .

In the fourth embodiment, the jumper 3 is formed as a printed circuit board element, and the printed circuit board element can be produced in one piece with the printed circuit board, so that soldering can be omitted. Alternatively, the printed circuit board element can be a separate component and connected to the printed circuit board by soldering.

The printed circuit board element has a dielectric layer 22 , conductive traces 21 provided on the top side of the dielectric layer 22 , a ground layer 23 provided on the bottom side of the dielectric layer 22 and a further dielectric layer 24 . The printed circuit board element has two metallized vias 10 (only one of which is visible in FIG. 8 ), which are electrically connected to conductive traces 21 . The printed circuit board element is electrically connected to one of the adjacent ends 12 of the two trace sections 11 through a first metallized via therein, and through a second metallized via therein is electrically connected to the other of the adjacent ends 12 of the two trace segments 11 . One of the two metallized vias 10 is visible in FIG. 8 , which electrically connects the conductive trace 21 with the end 12 of one of the two trace sections 11 of the first conductive trace 1 . The ground plane 23 of the printed circuit board element is electrically connected to the ground plane 6 of the printed circuit board through a third metallized via 30 extending in the printed circuit board and the printed circuit board element .

In the fourth embodiment, the ground layer 23 of the jumper 3 can be used for impedance matching of the printed circuit board, thus improving the return loss performance of the printed circuit board.

9 and 10 are schematic perspective and exploded views of a printed circuit board for a base station antenna according to a fifth embodiment. In Figures 9 and 10, printed circuit boards for base station antennas are only partially depicted. The printed circuit board can be, for example, a feeder board for a base station antenna.

In the fifth embodiment, the printed circuit board has a dielectric layer 4 , a solder resist layer 5 disposed on one side of the dielectric layer 4 , and a ground layer 6 disposed on the other side of the dielectric layer 4 . The layers may be formed integrally. The printed circuit board has three first conductive traces 1 and one second conductive trace 2 printed on the dielectric layer 4 running side by side. The first conductive traces 1 each have two trace sections 11 separated by a second conductive trace 2 , and adjacent ones of the two trace sections 11 separated by the second conductive trace 2 The ends 12 are electrically connected by corresponding jumpers 3 . The three first conductive traces 1 may be configured as coplanar waveguide structures, wherein one central first conductive trace 1 is configured as a signal trace, and the other two first conductive traces 1 are configured as ground traces.

In a fifth embodiment, the jumper 3 is formed as a printed circuit board element having a dielectric layer and three conductive traces arranged on the dielectric layer and extending adjacent to one another. 21, each conductive trace 21 of said printed circuit board element is adjacent to said two of said one of said three first conductive traces 1 by means of two corresponding metallized vias 10. The ends 12 are electrically connected. In order to achieve soldering, the solder resist layer 5 may have two sets of openings 15, each set comprising three openings 15 arranged side by side. In FIG. 10 , only one of the openings is provided with reference numeral 15 . Alternatively, the printed circuit board element can be produced in one piece with the printed circuit board, and soldering can thus be dispensed with.

In various embodiments, for each electrical connection portion, a single metallized via may be used, or a plurality of metallized vias may be used. As can be seen in Figures 9 and 10, three metallized vias 10 may be employed for each electrical connection on the ground traces on both sides (first conductive traces 1 on both sides), while for A single metallized via 10 may be used for each electrical connection on the central signal trace (central first conductive trace 1 ). In various embodiments, the number of metallized vias is exemplary. In principle, any number of metallized vias can be used for each electrical connection.

It should be noted that the terminology used herein is for the purpose of describing particular aspects only and not for limiting the disclosure. As used herein, the singular forms "a" and "the an" shall include the plural forms unless the context clearly dictates otherwise. It is to be understood that the terms "comprising" and "comprising" and other similar terms, when used in the application documents, specify the presence of stated operations, elements and/or components without excluding one or more other operations, elements The presence or addition of , components and/or combinations thereof. As used herein, the term "and/or" includes all and any combinations of one or more of the associated listed items. In the description of the drawings, like reference numerals refer to like elements throughout.

The thickness of elements in the drawings may be exaggerated for clarity. It will also be understood that if an element is referred to as being on, coupled, or connected to another element, then the one element can be directly formed on, coupled to, or otherwise connected to the other element. Connected thereto, or there may be one or more intervening elements therebetween. In contrast, if the expressions "directly on," "directly coupled to," and "directly connected to" are used herein, it is meant that there are no intervening elements. Other words used to describe the relationship between elements should be similarly interpreted, such as "between" and "directly between", "attached" and "directly attached," "adjacent" and " directly adjacent" and so on.

Terms such as "top", "bottom", "over", "under", "over", "under", etc. are used herein to describe one element, layer or region relative to another as illustrated in the figures The relationship of elements, layers, or regions. It is to be understood that these terms are intended to encompass other orientations of the device in addition to the orientation depicted in the figures.

It will be understood that, although the terms "first," "second," etc. may be used herein to describe various elements, these elements should not be limited by these terms. These terms are only used to distinguish one element from another. Thus, a first element could be termed a second element without departing from the teachings of the present inventive concept.

It is also conceivable that all the exemplary embodiments disclosed here can be combined with one another at will.

Finally, it should be pointed out that the above-mentioned embodiments are only used for understanding the present invention, and do not limit the protection scope of the present invention. For those skilled in the art, modifications can be made on the basis of the above embodiments, and these modifications do not depart from the protection scope of the present invention.

Claims (19)

1. A printed circuit board for a base station antenna, having a dielectric layer (4) and a first (1) and a second (2) electrically conductive track printed thereon crossing each other, characterized in that the first electrically conductive track has two track sections (11) separated by the second electrically conductive track, adjacent ends (12) of the two track sections separated by the second electrically conductive track being electrically connected by a jumper (3) having an electrical conductor, being electrically isolated from the second electrically conductive track and being fixed on the printed circuit board, wherein the electrical conductor is electrically connected with the two track sections (11) at the adjacent ends (12).

2. Printed circuit board for a base station antenna according to claim 1, characterized in that the jumper (3) is a separate component and is fixed on the printed circuit board by soldering, wherein the electrical conductor is electrically connected with the two track sections (11) at the adjacent ends (12) by soldering.

3. Printed circuit board for a base station antenna according to claim 2, characterized in that the patch cord (3) has a plug-in element which is inserted into a hole of the printed circuit board.

4. Printed circuit board for a base station antenna according to claim 3, characterized in that the jumper (3) consists only of the electrical conductor, which is configured as a bridge element, which has at least one pin (14) as the plug element.

5. Printed circuit board for a base station antenna according to claim 4, characterized in that the electrical conductor has two pairs of pins (14), the printed circuit board having in the area of the adjacent ends (12) of the two track sections (11) a respective two pairs of holes receiving these pins.

6. The printed circuit board for a base station antenna of claim 4, wherein the printed circuit board has a ground layer with an opening for electrical isolation around the hole for receiving the pin.

7. Printed circuit board for a base station antenna according to claim 1, characterized in that the jumpers (3) are constructed as printed circuit board elements with a dielectric layer and conductive tracks as the electrical conductors.

8. The printed circuit board for a base station antenna of claim 7,

the printed circuit board element is a separate component and is fixed to the printed circuit board by soldering, wherein the electrically conductive tracks of the printed circuit board element are electrically connected to the two track sections (11) at the adjacent ends (12) by soldering; or

The printed circuit board element is made integrally with the printed circuit board.

9. Printed circuit board for a base station antenna according to claim 7, characterized in that the printed circuit board element is arranged vertically on the printed circuit board, wherein the printed circuit board element is configured as a bridge element having two legs (25), the printed circuit board having two holes in the area of the adjacent ends (12) into which the two legs are inserted, the conductive tracks of the printed circuit board element being soldered in the area of the two legs with the adjacent ends (12) of the two track sections (11).

10. The printed circuit board for a base station antenna according to claim 9, wherein the printed circuit board has a ground plane and the printed circuit board element has a ground plane, at least one of the two holes being configured as a metallized via, the ground plane of the printed circuit board element being electrically connected to the ground plane of the printed circuit board element by soldering in the metallized via.

11. Printed circuit board for a base station antenna according to claim 7, characterized in that the printed circuit board element is arranged flat on the printed circuit board.

12. Printed circuit board for a base station antenna according to claim 11, characterized in that the conductive tracks of the printed circuit board element are on a side of the dielectric layer of the printed circuit board element facing away from the printed circuit board, the printed circuit board element having two metallized vias in contact with the conductive tracks of the printed circuit board element, the printed circuit board element being electrically connected with one of the adjacent ends (12) of the two track sections (11) by a first one of the metallized vias and with the other one of the adjacent ends (12) of the two track sections (11) by a second one of the metallized vias.

13. Printed circuit board for a base station antenna according to claim 12, characterized in that the printed circuit board element is soldered with one of the adjacent ends (12) of the two track sections (11) by a first metalized via and with the other of the adjacent ends (12) of the two track sections (11) by a second metalized via.

14. The printed circuit board for a base station antenna of claim 12, wherein the printed circuit board has a ground plane and the printed circuit board element has a ground plane, the ground plane of the printed circuit board element and the ground plane of the printed circuit board element being electrically connected by a third metallized via extending in the printed circuit board and the printed circuit board element.

15. The printed circuit board for a base station antenna according to claim 14, characterized in that the printed circuit board element has a further dielectric layer on the side of its ground plane opposite to the dielectric layer of the printed circuit board element.

16. Printed circuit board for a base station antenna according to claim 1, characterized in that the printed circuit board has three first electrically conductive tracks (1) extending next to one another side by side, which are designed as coplanar waveguide structures, wherein one central first electrically conductive track is designed as a signal track and the other two first electrically conductive tracks are designed as ground tracks, which are each interrupted by a second electrically conductive track (2) into two track sections (11), wherein the two corresponding track sections (11) of the respective first electrically conductive tracks are electrically connected by a common jumper (3).

17. Printed circuit board for a base station antenna according to claim 16, characterized in that the jumper (3) is configured as a printed circuit board element having three adjacent, side-by-side extending conductive tracks as the electrical conductors, each conductive track of the printed circuit board element being electrically connected with the two adjacent ends (12) of one of the three first conductive tracks (1) by a respective metallized via.

18. The printed circuit board for a base station antenna according to any of claims 1 to 17, wherein the first and second conductive traces are each microstrip lines.

19. The printed circuit board for a base station antenna according to any of claims 1 to 17, wherein the printed circuit board is a feeding board for a radiating element of a base station antenna.

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