CN209119291U

CN209119291U - A kind of novel RF coupler and device

Info

Publication number: CN209119291U
Application number: CN201920058081.9U
Authority: CN
Inventors: 张海涛; 赖之安; 王克强
Original assignee: Guangxi Xinbaite Microelectronics Co Ltd
Current assignee: Corebest Microelectronics (Wuxi) Co., Ltd.
Priority date: 2019-01-10
Filing date: 2019-01-10
Publication date: 2019-07-16
Anticipated expiration: 2029-01-10

Abstract

The utility model discloses a kind of novel RF coupler and device, it is related to circuit design and device arts, including the first coupling line, the second coupling line and dielectric, the dielectric is set between the first coupling line and the second coupling line, first coupling line is set as linear structure, second coupling line is set as non-linear structure, to increase coupling length；In the design of conventional radio frequency coupler, it is oblique line or stepped cabling by changing a wherein coupling line, increases coupling length, while improving coupler parameters to the resistance of technique change, improve the consistency and anti-interference ability of coupler.

Description

A kind of novel RF coupler and device

Technical field

The utility model relates to circuit designs and device arts, more particularly to a kind of novel RF coupler and dress It sets.

Background technique

RF coupler is widely used in modern radio frequency system, including is not limited to 2/3/4/5G and WiFi/Zigbee/ In the wireless telecommunication systems such as Bluetooth.The performance parameter of coupler influences very the other components for relying on its coupling effect Greatly, higher and higher to the coherence request of its coupling performance, there is important role to the index of entire wireless system.

As depicted in figs. 1 and 2, traditional RF coupler, coupling line C1 and C2 are all made of linear design, and radiofrequency signal is logical The input of the one end C1 is crossed, by the electromagnetic field couples of C1 and C2, portion of energy is transferred to C2, the consistency of coupler and anti-interference Ability is to be improved.

Utility model content

The utility model provides a kind of novel RF coupler and device aiming at the problem that background technique, improves coupler Consistency and anti-interference ability.

To achieve the goals above, the utility model proposes a kind of novel RF coupler, including the first coupling line, the Two coupling lines and dielectric, the dielectric are set between the first coupling line and the second coupling line, first coupling Line is set as linear structure, and the second coupling line is set as non-linear structure, to increase coupling length.

Preferably, shape forms an angle between first coupling line and the second coupling line, and certain angle needs Ensure that the first coupling line, the second coupling line and dielectric mutually cover.

Preferably, second coupling line can be oblique line or forge piece of step type structure.

Preferably, first coupling line and the second coupling line can be in layer structure, encapsulation or the PCB in integrated circuit Layer structure.

The utility model also proposes a kind of electronic device, including the novel RF coupler.

The utility model proposes a kind of novel RF couplers and device, improve tolerance of the coupler to technique change Degree.In the design of conventional radio frequency coupler, it is oblique line or stepped cabling by changing a wherein coupling line, increases coupling Length is closed, while improving coupler parameters to the resistance of technique change, improves the consistency and anti-interference ability of coupler.

Detailed description of the invention

In order to illustrate the embodiment of the utility model or the technical proposal in the existing technology more clearly, below will be to embodiment Or attached drawing needed to be used in the description of the prior art is briefly described, it should be apparent that, the accompanying drawings in the following description is only It is some embodiments of the utility model, for those of ordinary skill in the art, in the premise not made the creative labor Under, the structure that can also be shown according to these attached drawings obtains other attached drawings.

Fig. 1 is conventional coupler main view；

Fig. 2 is conventional coupler surveys view；

Fig. 3 is the utility model first preferred embodiment bend type coupler main view；

Fig. 4 is stepped coupler main view in the second preferred embodiment of the utility model；

Fig. 5 is electronic device construction schematic diagram in the utility model third preferred embodiment；

Label declaration:

The first coupling line of C1-, the second coupling line of C2-, D1- dielectric；

The embodiments will be further described with reference to the accompanying drawings for the realization, functional characteristics and advantage of the utility model aim.

Specific embodiment

The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model Clearly and completely describing, it is clear that described embodiment is only a part of the embodiment of the utility model, rather than all Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are not making creative work premise Under every other embodiment obtained, fall within the protection scope of the utility model.

It is to be appreciated that if related in the utility model embodiment directionality instruction (such as upper and lower, left and right, it is preceding, Afterwards ...), then directionality instruction is only used for explaining opposite between each component under a certain particular pose (as shown in the picture) Positional relationship, motion conditions etc., if the particular pose changes, directionality instruction is also correspondingly changed correspondingly.

In addition, if relating to the description of " first ", " second " etc. in the utility model embodiment, " first ", " the Two " etc. description is used for description purposes only, and is not understood to indicate or imply its relative importance or is implicitly indicated meaning The quantity of the technical characteristic shown." first " is defined as a result, the feature of " second " can explicitly or implicitly include at least one A this feature.It in addition, the technical solution between each embodiment can be combined with each other, but must be with ordinary skill Based on personnel can be realized, this technical side will be understood that when the combination of technical solution appearance is conflicting or cannot achieve The combination of case is not present, also not within the protection scope of the requires of the utility model.

The utility model proposes a kind of novel RF couplers；

In the utility model first preferred embodiment, as shown in figure 3, include the first coupling line C1, the second coupling line C2 and Dielectric D1, the dielectric D1 are set between the first coupling line C1 and the second coupling line C2, and coupled electromagnetic field mainly connects Meet the first coupling line C1 and the second coupling line C2；The first coupling line C1 is set as linear structure, the utility model and biography The straight line of system coupler couples difference to straight line, and the second coupling line C2 is set as bias type, compares, increases in conventional coupler design The ability for having added coupler resisting process to change, so that the consistency of coupling efficiency improves；

Linear design is used for the second coupling line C2 in conventional coupler, for the first coupling line C1 and the second coupling line The alignment precision of C2 is more sensitive；The coupler design of innovation, the comprehensive effect coupled everywhere make to the first coupling line C1 and The alignment precision of second coupling line C2 is insensitive.

In the utility model first preferred embodiment, one is formed between the first coupling line C1 and the second coupling line C2 Clamp angle, certain angle need to ensure that the first coupling line C1, the second coupling line C2 and dielectric D1 are mutually covered.

In the utility model first preferred embodiment, the first coupling line C1 and the second coupling line C2 be can be in integrated circuit Layer structure, also can be changed more encapsulation or the layer structure in PCB and other any Space Coupling structures.

In the second preferred embodiment of the utility model, as shown in figure 4, include the first coupling line C1, the second coupling line C2 and Dielectric D1, the dielectric D1 are set between the first coupling line C1 and the second coupling line C2, and coupled electromagnetic field mainly connects Meet the first coupling line C1 and the second coupling line C2；The first coupling line C1 is set as linear structure, the utility model and biography The straight line of system coupler couples difference to straight line, and the second coupling line C2 is set as stepped, compares in conventional coupler design, increasing The ability for having added coupler resisting process to change, so that the consistency of coupling efficiency improves；

In the second preferred embodiment of the utility model, one is formed between the first coupling line C1 and the second coupling line C2 Clamp angle, certain angle need to ensure that the first coupling line C1, the second coupling line C2 and dielectric D1 are mutually covered.

In the second preferred embodiment of the utility model, the first coupling line C1 and the second coupling line C2 be can be in integrated circuit Layer structure, also can be changed more encapsulation or the layer structure in PCB and other any Space Coupling structures.

The utility model also proposes a kind of electronic device；

In the utility model third preferred embodiment, as shown in figure 5, including the novel RF coupler；Pass through On the basis of conventional coupler is designed and realized, by changing the shape of coupler, (the second coupling line C2 uses oblique line/step type Line/other curves mode couples), the ability that coupler resists process deviation and distribution is increased, to promote coupler The consistency of energy parameter.

The above is only the preferred embodiment of the present invention, and therefore it does not limit the scope of the patent of the utility model, Under all utility models in the utility model are conceived, equivalent structure made based on the specification and figures of the utility model Transformation, or directly/be used in other related technical areas indirectly and be included in the scope of patent protection of the utility model.

Claims

1. a kind of novel RF coupler, which is characterized in that described including the first coupling line, the second coupling line and dielectric Dielectric be set between the first coupling line and the second coupling line, first coupling line is set as linear structure, second Coupling line is set as non-linear structure, to increase coupling length.

2. novel RF coupler according to claim 1, which is characterized in that first coupling line and the second coupling Shape forms an angle between zygonema, and certain angle need to ensure that the first coupling line, the second coupling line and dielectric mutually cover Lid.

3. novel RF coupler according to claim 1, which is characterized in that second coupling line can be oblique line Or forge piece of step type structure.

4. novel RF coupler according to claim 1, which is characterized in that first coupling line and the second coupling Zygonema can be the layer structure in layer structure, encapsulation or the PCB in integrated circuit.

5. a kind of electronic device, which is characterized in that including the described in any item novel RF couplers of such as Claims 1-4.