Circuit structure in electric connector, electric connector and phased array antenna

Abstract

The utility model discloses a circuit structure in an electric connector, the electric connector and a phased-array antenna, which are applied to the field of electric connectors, and comprise a first circuit end connected with a first external end in a conducting manner and a second circuit end connected with a second external end in a conducting manner, a multi-section impedance matcher is arranged between the first circuit end and the second circuit end; the impedance matcher comprises at least one series impedance matcher connected in series in the circuit structure, and at least one impedance matching branch; one end of the impedance matching branch is connected between the first circuit end and the second circuit end; the impedance matching branch comprises a short-circuit impedance matching branch and / or an open-circuit impedance matching branch. According to the utility model, the multi-section impedance matchers are arranged in the circuit structure of the electric connector, the impedance matching branch sections are additionally arranged in the circuit structure of the electric connector, and reflected waves generated by the impedance matching branch sections are subtracted from reflected waves on a main circuit, so that the bandwidth range of matched radio-frequency signals can be widened, and the signal transmission bandwidth of the electric connector is improved.

Description

Technical Field

[0001] The utility model relates to the field of electrical connectors, and particularly to a circuit structure in an electrical connector, an electrical connector, a phased array antenna and a communication device. Background Art

[0002] Existing microwave devices are developing towards the trend of light weight and miniaturization, which leads to the miniaturization of the microwave circuits in the microwave devices. Taking the vertical electrical connector as an example, the application of the vertical interconnection technology can not only effectively integrate multiple layers of circuits, making the circuit structure more compact in space, but also efficiently transmit radio frequency signals to the circuits of different layers. However, the transmission of radio frequency signals between multiple-layer circuit boards is discontinuous, and this discontinuity causes parasitic effects between the circuits, affecting the transmission performance of the circuits.

[0003] Therefore, how to provide an electrical connector that can avoid parasitic effects between circuits and avoid affecting the circuit transmission performance at the same time is a technical problem that needs to be solved urgently by those skilled in the art. Summary of the Utility Model

[0004] In view of this, the purpose of the utility model is to provide a circuit structure in an electrical connector, an electrical connector, a phased array antenna and a communication device, which solves the problem that the transmission of radio frequency signals between multiple-layer circuit boards in the prior art is discontinuous, resulting in parasitic effects between the circuits and affecting the broadband transmission performance of the circuits.

[0005] To solve the above technical problems, the utility model provides a circuit structure in an electrical connector, including:

[0006] A first circuit end electrically connected to a first external end, and a second circuit end electrically connected to a second external end;

[0007] A plurality of sections of impedance matchers are arranged between the first circuit end and the second circuit end;

[0008] Each impedance matcher includes at least one series impedance matcher connected in series in the circuit structure, and at least one impedance matching stub; one end of the impedance matching stub is connected between the first circuit end and the second circuit end; the impedance matching stub includes a short-circuit impedance matching stub and / or an open-circuit impedance matching stub.

[0009] Optionally, the impedance matching stub is arranged at least at one end of the front end of the whole of all the series impedance matchers and the rear end of the whole of all the series impedance matchers.

[0010] Optionally, the impedance matcher includes a plurality of sections of the series impedance matchers connected in series in the circuit structure.

[0011] Optionally, the impedance matching stub is a short - circuit impedance matching stub;

[0012] One end of the short - circuit impedance matching stub is connected to the circuit at the front end or the back end of the whole series impedance matcher, and the other end of the short - circuit impedance matching stub is grounded.

[0013] Optionally, a coplanar wire is provided between the first circuit terminal and the second circuit terminal.

[0014] The present utility model further provides an electrical connector, comprising:

[0015] A first dielectric substrate, a second dielectric substrate and a third dielectric substrate;

[0016] On one side surface of the first dielectric substrate, a first signal layer is prepared. Between the side of the first dielectric substrate facing away from the first signal layer and the second dielectric substrate, a first ground layer is provided. The third dielectric substrate is provided on the side of the second dielectric substrate facing away from the first ground layer, and a second ground layer is provided on the side of the third dielectric substrate facing away from the second dielectric substrate;

[0017] On the side surface of the third dielectric substrate close to the second dielectric substrate, or on the side surface of the second dielectric substrate close to the third dielectric substrate, a second signal layer is prepared;

[0018] The first signal layer includes the circuit structure in the electrical connector as described above;

[0019] The first signal layer is conductively connected to the second signal layer through a conductive via.

[0020] Optionally, the first circuit terminal in the first signal layer is connected to the conductive via through a first tapered impedance matcher;

[0021] The circuit structure in the second signal layer is connected to the conductive via through a second tapered impedance matcher.

[0022] Optionally, the conductive via is connected to the first signal layer and the second signal layer through pads.

[0023] Optionally, it further includes a fuzzy button;

[0024] The fuzzy button is connected to the second circuit terminal in the first signal layer.

[0025] Optionally, the fuzzy button is connected to the second circuit terminal through a pad.

[0026] The present utility model further provides a phased array antenna, comprising the electrical connector as described above.

[0027] The present utility model also provides a communication device, which includes the phased array antenna as described above.

[0028] It can be seen that the circuit structure in the electrical connector provided by the present utility model includes a first circuit end conductively connected to a first external end and a second circuit end conductively connected to a second external end. A plurality of sections of impedance matchers are arranged between the first circuit end and the second circuit end. The impedance matchers include at least one series impedance matcher connected in series in the circuit structure and at least one impedance matching stub. One end of the impedance matching stub is connected between the first circuit end and the second circuit end. The impedance matching stub includes a short-circuit impedance matching stub and / or an open-circuit impedance matching stub. In the embodiment of the present utility model, by arranging a plurality of sections of impedance matchers in the circuit structure of the electrical connector and setting a series impedance matcher to match the characteristic impedance of the first circuit end and / or the second circuit end, the signal reflection is reduced and the signal transmission efficiency is improved. In addition, by additionally arranging an impedance matching stub in the circuit structure of the electrical connector, the reflected wave generated by the impedance matching stub is subtracted from the reflected wave on the main path, so that the bandwidth range of the matched radio frequency signal can be broadened and the signal transmission bandwidth of the electrical connector can be increased.

[0029] In addition, the present utility model also provides an electrical connector, which also has the above beneficial effects. Description of the Drawings

[0030] In order to more clearly illustrate the technical solutions in the embodiments of the present utility model or the prior art, the following will briefly introduce the drawings required for use in the description of the embodiments or the prior art. Obviously, the drawings in the following description are only the embodiments of the present utility model. For those of ordinary skill in the art, other drawings can be obtained according to the provided drawings without creative efforts.

[0031] Figure 1 It is a schematic structural diagram of a circuit structure in an electrical connector provided by an embodiment of the present utility model;

[0032] Figure 2 It is an exemplary diagram of the response of the standing wave ratio varying with frequency provided by an embodiment of the present utility model;

[0033] Figure 3 It is a schematic side view structure diagram of an electrical connector provided by an embodiment of the present utility model;

[0034] Figure 4 It is a schematic structure diagram of an electrical connector provided by an embodiment of the present utility model;

[0035] Figure 1 、 Figure 3 and Figure 4 In

[0036] 11 - Wool button housing, 12 - Inner core, 21 - Pad, 22 - First series impedance matcher, 23 - Second series impedance matcher, 24 - Coplanar wire, 25 - Impedance matching stub, 26 - First layer of metal ground, 27 - First tapered impedance matcher, 28 - First ground layer, 31 - First distance from the ground, 32 - Second distance from the ground, 33 - Third distance from the ground, 34 - Fourth distance from the ground, 41 - First dielectric substrate, 42 - Conductive via, 43 - Second signal layer, 44 - Second dielectric substrate, 45 - Third dielectric substrate, 46 - Second ground layer. Detailed implementation manners

[0037] To make the objectives, technical solutions and advantages of the embodiments of the present utility model clearer, the technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present utility model.

[0038] The existing microwave devices are developing towards the trends of light weight and miniaturization, resulting in the miniaturization of the microwave circuits in the microwave devices. Taking the vertical electrical connector as an example, the application of the vertical interconnection technology can not only effectively integrate multi-layer circuits, making the circuit structure more compact in space, but also efficiently transmit radio frequency signals to the circuits of different layers. However, the transmission of radio frequency signals between multi-layer circuit boards is discontinuous, and this discontinuity causes parasitic effects between the circuits, affecting the transmission performance of the circuits. The existing technology is to solve the problem that the impedance between multi-layer circuit boards is different, resulting in reflection of radio frequency signals, which further affects the transmission performance of the circuits. Therefore, how to provide an electrical connector that can avoid parasitic effects between circuits and avoid the influence on the circuit transmission performance is a technical problem that those skilled in the art urgently need to solve.

[0039] In the embodiments of the present utility model, by providing multi-section impedance matchers in the circuit structure of the electrical connector, and by providing series impedance matchers to match the characteristic impedance of the first circuit end and / or the second circuit end, the reflection of signals is reduced, and the transmission efficiency of the signals is improved. In addition, by additionally providing impedance matching stubs in the circuit structure of the electrical connector, the reflected waves generated by them are subtracted from the reflected waves on the main path, which can broaden the bandwidth range of the matched radio frequency signals and improve the signal transmission bandwidth of the electrical connector. Specifically, the following embodiments can be referred to:

[0040] Please refer to Figure 1 , Figure 1Schematic diagram of a circuit structure in an electrical connector provided by an embodiment of the present utility model. The circuit structure in the electrical connector may include:

[0041] A first circuit terminal electrically connected to a first external terminal, and a second circuit terminal electrically connected to a second external terminal;

[0042] A plurality of sections of impedance matchers are provided between the first circuit terminal and the second circuit terminal;

[0043] The impedance matcher includes at least one series impedance matcher connected in series in the circuit structure, and at least one impedance matching stub 25; one end of the impedance matching stub 25 is connected between the first circuit terminal and the second circuit terminal; the impedance matching stub 25 includes a short-circuit impedance matching stub and / or an open-circuit impedance matching stub.

[0044] It should be noted that in this embodiment, the first circuit terminal and the second circuit terminal are not marked in Figure 1 These are the two ends where the circuit structure of the present application is electrically connected to the outside. When it is the circuit structure of an electrical connector, one of the first circuit terminal and the second circuit terminal serves as a signal input terminal, and the other serves as a signal output terminal. In this embodiment, a plurality of sections of impedance matchers are provided in the circuit structure, and it includes at least one series impedance matcher connected in series in the circuit structure, and at least one impedance matching stub 25 whose one end is connected in the circuit structure, and this impedance matching stub can be an open-circuit impedance matching stub or a short-circuit impedance matching stub.

[0045] It should be further noted that in this embodiment, the specific number of series impedance matchers provided in the circuit structure of this embodiment is not limited and can be set according to the actual circuit structure. For example, in the circuit structure of this embodiment, the series impedance matcher can be set to 1, or can also be set to 2, or can also be set to 3. Figure 1 For example, Figure 1 Two series impedance matchers are provided in, namely the first series impedance matcher 22 and the second series impedance matcher 23. Correspondingly, the specific number of impedance matching stubs 25 provided in the circuit structure of this embodiment is also not limited in this embodiment. For example, 1 impedance matching stub 25 can be provided in the circuit structure, or 2 impedance matching stubs 25 can be provided in the circuit structure, or 3 impedance matching stubs 25 can be provided in the circuit structure. The sum of the number of series impedance matchers and the number of impedance matching stubs 25 provided in this application is the specific number of the plurality of sections of impedance matchers provided in this embodiment. It can be foreseen that the total number of impedance matchers in this application is at least 2.

[0046] Refer to Figure 1, this embodiment further includes a first-layer metal ground 26. In this embodiment, a first ground clearance 31 is formed between the first series impedance matcher 22 and the first-layer metal ground 26, a second ground clearance 32 is formed between the second series impedance matcher 23 and the first-layer metal ground 26, and a fourth ground clearance 34 is formed between the impedance matching stub 25 and the first-layer metal ground 26. And in this embodiment, the circuit structure in the electrical connector is disposed on the first dielectric substrate 41.

[0047] In addition, in this embodiment, the impedance matching stub 25 can be set as an impedance matching stub with a short-circuit structure of a quarter dielectric wavelength, and the electrical connector is preferably set as a vertical electrical connector. The impedance matching stub with the short-circuit structure of the quarter dielectric wavelength can effectively match the radio frequency signals within a relatively wide bandwidth range, so that the bandwidth of the vertical electrical connector is significantly improved. Specifically, reference can be made to Figure 2 , Figure 2 is a response example diagram of the standing wave ratio varying with frequency provided by the embodiment of the present invention. Among them, the frequency unit is gigahertz (GHz), f0 is the center frequency. It can be seen from the figure that when the impedance matching stub with a short-circuit structure of a quarter dielectric wavelength is set, the standing wave ratio of the vertical electrical connector is less than 1.2, and at the center frequency f0, the bandwidth can reach 20%.

[0048] Further, in order to improve the convenience of setting the impedance matcher in the circuit structure, the above-mentioned impedance matching stub 25 can be set at at least one of the front end and the rear end of the whole of all the series impedance matchers.

[0049] It should be noted that in this embodiment, setting the impedance matching stub 25 at the front end or the rear end of all the series impedance matchers, or setting the impedance matching stub 25 at both the front end and the rear end of all the series impedance matchers, that is, setting the impedance matching stub 25 at both ends of all the series impedance matchers, can more effectively reduce the reflection of the signal during transmission. At the same time, setting the impedance matching stub 25 at both ends of the overall other impedance matchers can simplify the design and debugging process, reduce the complexity of achieving precise impedance matching, and improve the preparation convenience.

[0050] Further, in order to increase the frequency range of circuit structure matching and improve the signal transmission efficiency, the above-mentioned impedance matcher can include a plurality of series impedance matchers connected in series in the circuit structure.

[0051] It should be noted that in this embodiment, by setting a plurality of series impedance matchers connected in the circuit structure, the reflection and loss of the signal can be better controlled, thereby improving the signal transmission efficiency, and the multi-section impedance matching can increase the bandwidth of the system.

[0052] Further, in order to ensure the simplicity of preparation, the impedance matching stub 25 can be set as a short-circuit impedance matching stub;

[0053] One end of the short-circuit impedance matching stub is connected to the circuit at the front end or the back end of the whole series impedance matcher, and the other end of the short-circuit impedance matching stub is grounded.

[0054] It should be noted that in this embodiment, the impedance matching stub 25 is set as a short-circuit impedance matching stub. At the same time, one end of the short-circuit impedance matching stub is connected to the front end or the back end of the whole series impedance matcher, and the other end of the impedance matching stub is grounded to ensure the normal operation of the short-circuit impedance matching stub. In this embodiment, the short-circuit impedance matching stub is adopted. Since the structure is relatively simple, it is not easily affected by the outside, has good stability, and has fewer factors to be considered in the circuit design and preparation, and the design difficulty is relatively low.

[0055] Further, in order to reduce the radiation loss of the circuit, a coplanar waveguide 24 can be provided between the first circuit terminal and the second circuit terminal.

[0056] In this embodiment, the wiring of the circuit structure in the electrical connector is set as the coplanar waveguide 24. The structure is simple, which is convenient for integration with other microwave components, and has low broadband loss. At the same time, the characteristic impedance of the circuit can be changed by adjusting the distance between the signal conductor and the ground conductor, so as to better achieve impedance matching, and at the same time, it has strong anti-interference ability. As Figure 1 , a third distance from the ground 33 is formed between the coplanar waveguide 24 and the first-layer metal ground 26 in this embodiment. In addition, in this embodiment, the coplanar waveguide 24 can be preferably set as a 50-ohm coplanar line to match a conventional circuit.

[0057] Applying the circuit structure of the electrical connector provided by the embodiment of the present invention, it includes a first circuit terminal electrically connected to a first external terminal and a second circuit terminal electrically connected to a second external terminal. A plurality of impedance matchers are provided between the first circuit terminal and the second circuit terminal. The impedance matcher includes at least one series impedance matcher connected in series in the circuit structure and at least one impedance matching stub 25. One end of the impedance matching stub 25 is connected between the first circuit terminal and the second circuit terminal. The impedance matching stub 25 includes a short-circuit impedance matching stub and / or an open-circuit impedance matching stub. By providing a plurality of impedance matchers in the circuit structure of the electrical connector and setting a series impedance matcher to match the characteristic impedance of the first circuit terminal and / or the second circuit terminal, the signal reflection is reduced and the signal transmission efficiency is improved. In addition, by additionally providing an impedance matching stub 25 in the circuit structure of the electrical connector, the reflected wave generated by it is subtracted from the reflected wave on the main path, and the bandwidth range of the matched radio frequency signal can be broadened, and the signal transmission bandwidth of the electrical connector can be improved.

[0058] In addition, in the embodiment of the present utility model, by arranging the impedance matching stub 25 at both ends of the overall series impedance matcher, the reflection of the signal during transmission can be more effectively reduced. At the same time, by arranging the impedance matching stub 25 at both ends of other impedance matchers in the whole, the design and debugging processes can be simplified, the complexity of achieving precise impedance matching can be reduced, and the preparation convenience can be improved. By arranging multiple series impedance matchers connected in the circuit structure, the matching effect of the signal in the wide frequency band can be better controlled, thereby improving the signal transmission efficiency. The short-circuit impedance matching stub is adopted. Since the structure is relatively simple, it is not easily affected by the outside, has good stability, and fewer factors need to be considered during the circuit design and preparation, and the design difficulty is relatively low. The trace of the circuit structure in the electrical connector is arranged as a coplanar conductor 24, which has a simple structure, is convenient for integration with other microwave components, has low broadband loss, and at the same time, the characteristic impedance of the circuit can be changed by adjusting the distance between the signal conductor and the ground conductor, so as to better achieve impedance matching and has strong anti-interference ability.

[0059] Next, an electrical connector provided by the embodiment of the present utility model will be introduced. The electrical connector described below and the circuit structure in the electrical connector described above can be mutually referred to.

[0060] Specifically, please refer to Figure 3 , Figure 3 which is a schematic side view structure diagram of an electrical connector provided by the embodiment of the present utility model, and may include:

[0061] A first dielectric substrate 41, a second dielectric substrate 44, and a third dielectric substrate 45;

[0062] A first signal layer is prepared on one side surface of the first dielectric substrate 41. A first ground layer 28 is arranged between the side of the first dielectric substrate 41 facing away from the first signal layer and the second dielectric substrate 44. The third dielectric substrate 45 is arranged on the side of the second dielectric substrate 44 facing away from the first ground layer 28, and a second ground layer 46 is arranged on the side of the third dielectric substrate 45 facing away from the second dielectric substrate 44;

[0063] A second signal layer 43 is prepared on the side surface of the third dielectric substrate 45 close to the second dielectric substrate 44, or on the side surface of the second dielectric substrate 44 close to the third dielectric substrate 45;

[0064] The first signal layer includes the circuit structure in the electrical connector as described above;

[0065] The first signal layer is conductively connected to the second signal layer 43 through a conductive via 42.

[0066] It should be noted that the electrical connector in this embodiment can refer to Figure 4 , Figure 4The figure is a schematic structural diagram of an electrical connector provided by an embodiment of the present utility model. In this embodiment of the electrical connector, the first signal layer is connected to the second signal layer 43 after cross-layer, realizing the vertical interconnection of the signal layers and the cross-layer transmission of signals. And by setting the circuit structure in the first signal layer as described above, an impedance matching structure can be correspondingly set in the second signal layer 43 to achieve impedance matching between the first signal layer and the second signal layer 43.

[0067] Further, in order to improve the effect of impedance matching, the first circuit terminal in the above-mentioned first signal layer is connected to the conductive via 42 through the first tapered impedance matcher 27;

[0068] The circuit structure in the second signal layer 43 is connected to the conductive via 42 through the second tapered impedance matcher.

[0069] It should be noted that in this embodiment, by setting the first tapered impedance matcher 27 and the second tapered impedance matcher to connect the first signal layer and the second signal layer 43 to the conductive via 42, good impedance matching can be achieved in a wider frequency range, improving the signal transmission efficiency. It should be noted that the second tapered impedance matcher is not marked in the figure and is specifically located at the connection between the second signal layer 43 and the conductive via 42.

[0070] Further, in order to ensure the stability of the connection between circuit structures and improve the stability of signal transmission at the same time, the conductive via 42 can be connected to the first signal layer and the second signal layer 43 through pads.

[0071] In this embodiment, the conductive via 42 is connected to the first signal layer and the second signal layer 43 by pads, which can enhance the reliability of the structural connection, and at the same time can reduce the impedance change of the signal during transmission, thereby reducing signal reflection, reducing impedance jump, and improving the transmission efficiency. In addition, it should be noted that the size of the pads in this embodiment can be set corresponding to the impedance matcher to ensure the smoothness of signal transmission. It should be noted that the pads are not marked in the figure either.

[0072] Further, for the convenience of connection, the above-mentioned electrical connector can also include a fuzzy button;

[0073] The fuzzy button is connected to the second circuit terminal in the first signal layer.

[0074] It should be noted that in this embodiment, the fuzzy button is connected to the first signal layer to lead out the first signal layer, improving the convenience of connection. The fuzzy button in this embodiment can refer to Figure 2 and Figure 3, including a wool button housing 11 and a core 12, where the core 12 is used for conductive connection with the first signal layer, and the wool button housing 11 is used to protect the core 12. The wool button used in this embodiment is set as a vertical feed port, which is beneficial to reducing the interconnection path, increasing the space utilization rate, and the elastic connection feature of the wool button can reduce the soldering of the entire vertical interconnection structure, making the device easy to disassemble and reducing the instability caused by soldering.

[0075] Further, in order to improve the connection stability between the wool button and the first signal layer, the above-mentioned wool button can be connected to the second circuit terminal through a pad 21.

[0076] It should be noted that in this embodiment, using the pad 21 to connect the wool button to the second circuit terminal can further improve the connection firmness between the wool button and the first signal layer. The pad 21 at the connection between the wool button and the first signal layer in this embodiment is Figure 2 the pad 21 marked.

[0077] Applying the electrical connector provided by the embodiment of the present invention, including a first dielectric substrate 41, a second dielectric substrate 44, and a third dielectric substrate 45. A first signal layer is prepared on one side surface of the first dielectric substrate 41. A first ground layer 28 is provided between the side of the first dielectric substrate 41 facing away from the first signal layer and the second dielectric substrate 44. A third dielectric substrate 45 is provided on the side of the second dielectric substrate 44 facing away from the first ground layer 28, and a second ground layer 46 is provided on the side of the third dielectric substrate 45 facing away from the second dielectric substrate 44. A second signal layer 43 is prepared on the side surface of the third dielectric substrate 45 facing the second dielectric substrate 44, or on the side surface of the second dielectric substrate 44 facing the third dielectric substrate 45. The first signal layer includes the circuit structure in the above-mentioned electrical connector, and the first signal layer is conductively connected to the second signal layer 43 through a conductive via 42.. Wherein the circuit structure in the electrical connector at least includes a first circuit terminal conductively connected to a first external end, and a second circuit terminal conductively connected to a second external end. A multi-section impedance matcher is provided between the first circuit terminal and the second circuit terminal. The impedance matcher includes at least one series impedance matcher connected in series in the circuit structure, and at least one impedance matching stub 25. One end of the impedance matching stub 25 is connected between the first circuit terminal and the second circuit terminal. The impedance matching stub 25 includes a short-circuit impedance matching stub and an open-circuit impedance matching stub. By setting a multi-section impedance matcher in the circuit structure of the electrical connector in the embodiment of the present invention, and by setting a series impedance matcher to match the characteristic impedance of the first circuit terminal and / or the second circuit terminal, the signal reflection is reduced, and the signal transmission efficiency is improved. In addition, by additionally adding an impedance matching stub 25 in the circuit structure of the electrical connector, using the reflected wave generated by it to cancel the reflected wave on the main path, the bandwidth range of the matched radio frequency signal can be broadened, and the signal transmission bandwidth of the electrical connector can be improved.

[0078] In an embodiment of a possible application scenario, the electrical connector includes the circuit structure in the above-mentioned electrical connector, specifically including the following structures:

[0079] A first dielectric substrate, a second dielectric substrate, a third dielectric substrate, and a fuzzy button;

[0080] On one side surface of the first dielectric substrate, a first signal layer is prepared. On the side of the first dielectric substrate facing away from the first signal layer, a first ground layer is provided between the first dielectric substrate and the second dielectric substrate. On the side of the second dielectric substrate facing away from the first ground layer, a third dielectric substrate is provided, and on the side of the third dielectric substrate facing away from the second dielectric substrate, a second ground layer is provided; on the side surface of the third dielectric substrate facing the second dielectric substrate, or on the side surface of the second dielectric substrate facing the third dielectric substrate, a second signal layer is prepared;

[0081] The first signal layer includes a circuit structure, and this circuit structure includes a first circuit end electrically connected to a first external end and a second circuit end electrically connected to a second external end; between the first circuit end and the second circuit end, multiple sections of impedance matchers are provided; the impedance matchers include multiple sections of series impedance matchers connected in series in the circuit structure and at least one impedance matching stub; one end of the impedance matching stub is connected between the first circuit end and the second circuit end; the impedance matching stub is a short-circuit impedance matching stub; one end of the short-circuit impedance matching stub is connected to the circuit at the front end or the rear end of the whole of all the series impedance matchers, and the other end of the short-circuit impedance matching stub is grounded; between the first circuit end and the second circuit end is a coplanar wire;

[0082] The first signal layer is vertically interconnected with the second signal layer through a conductive via; the first circuit end in the first signal layer is connected to the conductive via through a first tapered impedance matcher; the circuit structure in the second signal layer is connected to the conductive via through a second tapered impedance matcher; the conductive via is connected to the first signal layer and the second signal layer through pads;

[0083] The fuzzy button is connected to the second circuit end through a pad.

[0084] Next, a phased array antenna provided by an embodiment of the present invention will be introduced. The phased array antenna described below can be correspondingly referred to the electrical connector described above.

[0085] The phased array antenna provided by an embodiment of the present invention may include the electrical connector as described above.

[0086] In the phased array antenna provided in this embodiment, the number and positions of the electrical connectors can be set according to the actual working conditions.

[0087] The following introduces a communication device provided by an embodiment of the present utility model. The communication device described below can be correspondingly referred to the phased array antenna described above.

[0088] The communication device provided by an embodiment of the present utility model may include the phased array antenna as described above.

[0089] The number and position of the phased array antenna in the communication device provided in this embodiment can be set according to the actual working conditions.

[0090] In this specification, each embodiment is described in a progressive manner. The key point of each embodiment is the difference from other embodiments. For the same or similar parts between the embodiments, reference can be made to each other.

[0091] In addition, it should be noted that in this article, relationships such as first and second are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the term "comprising", "including" or any other variant is intended to cover non-exclusive inclusion.

[0092] The above has introduced in detail the circuit structure, electrical connector, phased array antenna and communication device in an electrical connector provided by the present utility model. Specific examples are used in this article to elaborate on the principle and implementation manner of the present utility model. The description of the above embodiments is only used to help understand the structure and core idea of the present utility model; at the same time, for those of ordinary skill in the art, according to the idea of the present utility model, there will be changes in the specific implementation manner and application scope. In summary, the content of this specification should not be construed as a limitation to the present utility model.

Claims

1. A circuit structure in an electrical connector, characterized in that, Comprising: A first circuit terminal electrically connected to a first external terminal, and a second circuit terminal electrically connected to a second external terminal; A plurality of sections of impedance matchers are provided between the first circuit terminal and the second circuit terminal; The impedance matcher includes at least one series impedance matcher connected in series in the circuit structure, and at least one impedance matching stub (25); one end of the impedance matching stub (25) is connected between the first circuit terminal and the second circuit terminal; the impedance matching stub includes a short-circuit impedance matching stub and / or an open-circuit impedance matching stub.

2. The circuit structure in the electrical connector according to claim 1, wherein, The impedance matching stub (25) is provided at at least one of the front end and the rear end of the whole of all the series impedance matchers.

3. The circuit structure in the electrical connector according to claim 1, wherein, The impedance matcher includes a plurality of sections of the series impedance matchers connected in series in the circuit structure.

4. The circuit structure in the electrical connector according to claim 1, characterized in that, The impedance matching stub is a short-circuit impedance matching stub; One end of the short-circuit impedance matching stub is connected to the circuit at the front end or the rear end of the whole of all the series impedance matchers, and the other end of the short-circuit impedance matching stub is grounded.

5. The circuit structure in the electrical connector according to claim 1, wherein, A coplanar conductor (24) is provided between the first circuit terminal and the second circuit terminal.

6. An electrical connector, characterized in that, Comprising: A first dielectric substrate (41), a second dielectric substrate (44) and a third dielectric substrate (45); A first signal layer is prepared on one side surface of the first dielectric substrate (41), a first ground layer (28) is provided between the side of the first dielectric substrate (41) facing away from the first signal layer and the second dielectric substrate (44), the third dielectric substrate (45) is provided on the side of the second dielectric substrate (44) facing away from the first ground layer (28), and a second ground layer (46) is provided on the side of the third dielectric substrate (45) facing away from the second dielectric substrate (44); A second signal layer (43) is prepared on the side surface of the third dielectric substrate (45) facing the second dielectric substrate (44) or on the side surface of the second dielectric substrate (44) facing the third dielectric substrate (45); the first signal layer includes the circuit structure in the electrical connector according to any one of claims 1 to 5; The first signal layer is electrically connected to the second signal layer (43) through a conductive via (42).

7. The electrical connector according to claim 6, characterized in that, The first circuit terminal in the first signal layer is connected to the conductive via (42) through a first tapered impedance matcher (27); The circuit structure in the second signal layer (43) is connected to the conductive via (42) through a second tapered impedance matcher; and / or, The conductive via (42) is connected to the first signal layer and the second signal layer (43) through pads; and / or, Also including a plush button; The plush button is connected to the second circuit terminal in the first signal layer.

8. The electrical connector according to claim 7, wherein The plush button is connected to the second circuit terminal through a pad (21).

9. A phased array antenna, characterized in that, Including the electrical connector according to any one of claims 6 to 8.

10. A communication device, characterized in that, Including the phased array antenna according to claim 9.

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