CN203675437U - Circuit board and electronic device comprising same - Google Patents
Circuit board and electronic device comprising same Download PDFInfo
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- CN203675437U CN203675437U CN201320895890.8U CN201320895890U CN203675437U CN 203675437 U CN203675437 U CN 203675437U CN 201320895890 U CN201320895890 U CN 201320895890U CN 203675437 U CN203675437 U CN 203675437U
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- pad
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- signal transmission
- coupled
- transmission circuit
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Abstract
The application discloses a circuit board and an electronic device comprising the same. The circuit board comprises a body, a first signal transmission circuit, a second signal transmission circuit and a third signal transmission circuit, wherein a first pad of the first signal transmission circuit is selectively coupled to a second pad of the second signal transmission circuit or a third pad of the third signal transmission circuit via a resistor so that when signals are transmitted from the first signal transmission circuit to the second signal transmission circuit, the signals are not interfered by the third signal transmission circuit. Likewise, if the signals are transmitted to the third signal transmission circuit, the signals are not interfered by the second signal transmission circuit so that the stability and the integrity during signal transmission are maintained.
Description
Technical field
The application relates to field of circuit boards, is specifically related to a kind of electronic installation that has the circuit board of multiple pads and have this circuit board.
Background technology
At present in the wires design of circuit board; generally can be coupled between chip and connector by holding wire; and for circuit board can be common on dissimilar electronic installation; conventionally can on circuit board, dispose the connector of more than two difference in functionality or identical function but the connector of different usefulness, in order to adapt to the assembling demand of dissimilar electronic installation simultaneously.In the time electrically disposing multiple electric connector on circuit board, at this take two connectors as example, the cabling mode of holding wire, that one end of holding wire is coupled to chip, the other end adopts dichotomous design in the position near these connectors, be respectively coupled to these connectors, for example, so that allow the signal (radiofrequency signal) that chip sends be sent to these connectors by holding wire.
But this connected mode, in practical application, may only can be used (or open) one of them connector.Therefore, in the time that signal is sent to the selected connector using by holding wire, coupling path and will become unnecessary signal transmission line between holding wire and another connector, and produce radiation signal and disturb, thereby the integrality of the signal in transmitting is caused to serious reflection effect.
Summary of the invention
The electronic installation that the application's technical problem to be solved is to provide a kind of circuit board and has this circuit board, optionally be coupled to the second pad or the 3rd pad by resistance by the first pad, and then allow radiofrequency signal optionally be sent to corresponding connector by secondary signal transmission circuit or the 3rd signal circuit, thereby while having solved the signal circuit transmission therein of general radiofrequency signal, be easily subject to the problem of the radiation signal interference of another signal circuit.
In order to address the above problem, the application has disclosed a kind of circuit board, comprises body, first signal transmission circuit, secondary signal transmission circuit and the 3rd signal circuit.First signal transmission circuit is electrically arranged on body, and first signal transmission circuit comprises first signal line and is coupled to the first pad of first signal line.Secondary signal transmission circuit is electrically arranged on body, and secondary signal transmission circuit comprises secondary signal line and is coupled to the second pad of secondary signal line.The 3rd signal circuit is electrically arranged on body, and the 3rd signal circuit comprises the 3rd holding wire and is coupled to the 3rd pad of the 3rd holding wire.Wherein, the second pad and the 3rd pad are adjacent to the first pad, and the first pad is optionally coupled to the second pad or the 3rd pad by resistance.
The application has also disclosed a kind of circuit board, comprises body, first signal transmission circuit, secondary signal transmission circuit, the 3rd signal circuit and resistance.On body, be electrically provided with functional chip, the first connector and the second connector.First signal transmission circuit comprises first signal line and the first pad, and the first pad is electrically arranged on body, and first signal line is coupled between functional chip and the first pad.Secondary signal transmission circuit comprises secondary signal line and the second pad, and secondary signal line is coupled between the first connector and the second pad, and the second pad is electrically arranged on body, and adjacent to the first pad.The 3rd signal circuit comprises the 3rd holding wire and the 3rd pad, and the 3rd holding wire is coupled between the second connector and the 3rd pad, and the 3rd pad is electrically arranged on body, and adjacent to the first pad.One end of resistance is coupled to the first pad, and the other end is optionally coupled to the second pad or the 3rd pad.
Further, the application has also disclosed a kind of electronic installation, comprise above-mentioned circuit board one of them.
Compared with prior art, the application can obtain and comprise following technique effect:
The application's circuit board and there is the electronic installation of this circuit board, at first signal transmission circuit, between secondary signal transmission circuit and the 3rd signal circuit three, share the configuration mode of the first pad by secondary signal transmission circuit and the 3rd signal circuit, can be according to actual user demand, by being coupled between the first pad and the second pad or the 3rd pad of resistance selection, allow first signal transmission circuit can be optionally with second or the 3rd signal circuit form conducting state, thereby allow signal be sent to second or the 3rd signal circuit one of them time, present at another signal circuit under the state opening circuit, except avoiding unnecessary signal circuit to produce antenna effect, disturb and eliminate radiation signal, and maintain outside the integrality of signal, can also dwindle these signal circuits shared area on body, and contribute to the Miniaturization Design of circuit board.
Accompanying drawing explanation
Accompanying drawing described herein is used to provide further understanding of the present application, forms the application's a part, and the application's schematic description and description is used for explaining the application, does not form the improper restriction to the application.In the accompanying drawings:
Fig. 1 is the floor map of the circuit board of the application the first embodiment.
Fig. 2 is the use view of the application the first embodiment.
Fig. 3 is the use view of the application the second embodiment.
Embodiment
To coordinate drawings and Examples to describe the application's execution mode in detail below, by this application's implementation procedure how application technology means solve technical problem and reach technology effect can be fully understood and be implemented according to this.
Censure specific components as used some vocabulary in the middle of specification and claim.Those skilled in the art should understand, and hardware manufacturer may be called same assembly with different nouns.This specification and claims are not used as distinguishing the mode of assembly with the difference of title, but the difference in function is used as the criterion of distinguishing with assembly.If " comprising " mentioned in the middle of specification and claim is in the whole text an open language, therefore should be construed to " comprise but be not limited to "." roughly " refer to that in receivable error range, those skilled in the art can solve the technical problem within the scope of certain error, reach described technique effect substantially.In addition " couple ", or " electric connection " word comprises directly any and electric property coupling means indirectly at this.Therefore, be coupled to one second device if describe a first device in literary composition, represent that described first device can directly be electrically coupled to described the second device, or be indirectly electrically coupled to described the second device by other device or the means that couple.Specification subsequent descriptions is to implement the application's preferred embodiments, and right described description is to illustrate that the application's rule is object, not in order to limit the application's scope.The application's protection range is when being as the criterion depending on the claims person of defining.
Also it should be noted that, term " comprises ", " comprising " or its any other variant are intended to contain comprising of nonexcludability, thereby the process, method, commodity or the system that make to comprise a series of key elements not only comprise those key elements, but also comprise other key element of clearly not listing, or be also included as the intrinsic key element of this process, method, commodity or system.The in the situation that of more restrictions not, the key element being limited by statement " comprising ... ", and be not precluded within process, method, commodity or the system that comprises described key element and also have other identical element.
embodiment describes
As shown in Figure 1, be the floor map of the circuit board 10 of the application the first embodiment.The disclosed circuit board 10 of the application the first embodiment, comprise body 110 and be electrically arranged at respectively first signal transmission circuit 120, secondary signal transmission circuit 130 and the 3rd signal circuit 140 on body 110, wherein first signal transmission circuit 120 comprises first signal line 121 and the first pad 122, and the first pad is coupled to one end of first signal line 121; Secondary signal transmission circuit 130 comprises secondary signal line 131 and the second pad 132, and the second pad 132 is coupled to one end of secondary signal line 131; And the 3rd signal circuit 140 comprises the 3rd holding wire 141 and the 3rd pad 142, and the 3rd pad 142 is coupled to one end of the 3rd holding wire 141.And, the second pad 132 of secondary signal transmission circuit 130 and the 3rd pad 142 of the 3rd signal circuit 140 on body 110 adjacent to the first pad 122 of first signal transmission circuit 120, and corresponding to the first pad 122, and respectively and the spacing of being separated by between the first pad 122.
Please refer to Fig. 1 and Fig. 2, in application, the application's circuit board 10 is suitable for being assembled on the electronic installation such as TV or mobile phone.And, in the present embodiment, circuit board 10 can be looked actual user demand, in the piece program of follow-up components and parts, suitable components and parts are assembled on circuit board 10, for example, can optionally the components and parts such as functional chip 150, the first connector 160 and the second connector 170 be electrically arranged at respectively on the body 110 of circuit board 10, wherein functional chip 150 is coupled to the first signal line 121 of first signal transmission circuit 120 away from one end of the first pad 122; The first connector 160 is coupled to the secondary signal line 131 of secondary signal transmission circuit 130 away from one end of the second pad 132; And second connector 170 be coupled to the 3rd holding wire 141 of the 3rd signal circuit 140 away from one end of the 3rd pad 142., then according to user demand, optionally resistance 180 is coupled between the first pad 122 and the second pad 132 or between the first pad 122 and the 3rd pad 142 then.In the present embodiment, be to be coupled between the first pad 122 and the second pad 132 as an example with resistance, but not as limit.
Therefore, in the time that functional chip 150 sends radiofrequency signal, radiofrequency signal will be sent to the first connector 160 by first signal line 121, the first pad 122, resistance 180, the second pad 132 and secondary signal line 131, and then export external equipment to by the first connector 160.Now, owing to being off state between the first pad 122 and the 3rd pad 142, therefore on the 3rd holding wire 141, there is no electronic signal transmission, thereby avoid the 3rd signal circuit 140 to form antenna effect, the radiofrequency signal that also just can not send functional chip 150 produces to be disturbed.
What deserves to be explained is, in the present embodiment, the secondary signal transmission circuit 130 of circuit board 10 and the 3rd signal circuit 140 can also be according to the output demands of radiofrequency signal, correspondence is configured to have the impedance matching circuit of different resistance values, for example secondary signal transmission circuit 130 can be configured to meet the impedance matching circuit of 75 ohm of anti-match-on criterions of group, and the 3rd signal circuit plate 140 is configured to 120 ohm of anti-match circuits of group etc.Owing to being configured depending on the final user demand of product, therefore in the use of circuit board 10, there is sizable elasticity.Be understandable that, above configuration mode is intended for and illustrates, but not as limit.
As shown in Figure 3, the disclosed circuit board 10 of the application the second embodiment is suitable for being assembled in electronic installation 20, as one of composition assembly of electronic installation 20.The circuit board 10 of the present embodiment comprises body 110, first signal transmission circuit 120, secondary signal transmission circuit 130, the 3rd signal circuit 140 and resistance 180.
On body 110, be electrically provided with functional chip 150, the first connector 160 and the second connector 170, and first signal transmission circuit 120, secondary signal transmission circuit 130 and the 3rd signal circuit 140 are also electrically arranged at respectively on body 110.
First signal transmission circuit 120 comprises first signal line 121 and the first pad 122, and first signal line 121 is coupled between functional chip 150 and the first pad 122; Secondary signal transmission circuit 130 comprises secondary signal line 131 and the second pad 132, and secondary signal line 131 is coupled between the first connector 160 and the second pad 132; And the 3rd signal circuit 140 comprises the 3rd holding wire 141 and the 3rd pad 142, and the 3rd holding wire 141 is coupled between the second connector 170 and the 3rd pad 142, wherein the second pad 132 and the 3rd pad 142 are arranged at respectively the position of body adjacent to the first pad 122, thereby corresponding to the first pad 122, and respectively and the spacing of being separated by between the first pad 122.
Be understandable that, in the disclosed circuit board of the application the second embodiment, each effect of playing of composition assembly, to each other signal load mode, second and the 3rd signal circuit share the feature of the first pad and by the electrical connection between conducting the first pad and the second pad or the 3rd pad of resistance selection, identical with above-mentioned the first embodiment haply, therefore repeat no more.
Above-mentioned explanation illustrates and has described some preferred embodiments of the application, but as previously mentioned, be to be understood that the application is not limited to disclosed form herein, should not regard the eliminating to other embodiment as, and can be used for various other combinations, modification and environment, and can, in invention contemplated scope described herein, change by technology or the knowledge of above-mentioned instruction or association area.And the spirit and scope that the change that those skilled in the art carry out and variation do not depart from the application, all should be in the protection range of the application's claims.
Claims (7)
1. a circuit board, is characterized in that, comprising:
Body;
First signal transmission circuit, is electrically arranged on described body, and described first signal transmission circuit comprises first signal line and is coupled to the first pad of described first signal line;
Secondary signal transmission circuit, is electrically arranged on described body, and described secondary signal transmission circuit comprises secondary signal line and is coupled to the second pad of described secondary signal line; And
The 3rd signal circuit, is electrically arranged on described body, and described the 3rd signal circuit comprises the 3rd holding wire and is coupled to the 3rd pad of described the 3rd holding wire;
Wherein, described the second pad and described the 3rd pad are adjacent to described the first pad, and described the first pad is optionally coupled to described the second pad or described the 3rd pad by resistance.
2. circuit board as claimed in claim 1, it is characterized in that, on described body, be also electrically provided with functional chip, the first connector and the second connector, described functional chip is coupled to described first signal line one end away from described the first pad, described the first connector is coupled to described secondary signal line one end away from described the second pad, and described the second connector is coupled to described the 3rd holding wire one end away from described the 3rd pad.
3. circuit board as claimed in claim 1, is characterized in that, described secondary signal transmission circuit and described the 3rd signal circuit are respectively the impedance matching circuit of different resistance values.
4. a circuit board, is characterized in that, comprising:
Body, is electrically provided with functional chip, the first connector and the second connector;
First signal transmission circuit, comprises first signal line and the first pad, and described the first pad is electrically arranged on described body, and described first signal line is coupled between described functional chip and described the first pad;
Secondary signal transmission circuit, comprises secondary signal line and the second pad, and described secondary signal line is coupled between described the first connector and described the second pad, and described the second pad is electrically arranged on described body, and adjacent to described the first pad;
The 3rd signal circuit, comprises the 3rd holding wire and the 3rd pad, and described the 3rd holding wire is coupled between described the second connector and described the 3rd pad, and described the 3rd pad is electrically arranged on described body, and adjacent to described the first pad; And
Resistance, one end of described resistance is coupled to described the first pad, and the other end is optionally coupled to described the second pad or described the 3rd pad.
5. circuit board as claimed in claim 4, is characterized in that, described secondary signal transmission circuit and described the 3rd signal circuit are respectively the impedance matching circuit of different resistance values.
6. circuit board as claimed in claim 4, is characterized in that, described resistance is Chip-R.
7. an electronic installation, is characterized in that, comprises the circuit board as described in claim 1 to 6 any one.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320895890.8U CN203675437U (en) | 2013-12-27 | 2013-12-27 | Circuit board and electronic device comprising same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320895890.8U CN203675437U (en) | 2013-12-27 | 2013-12-27 | Circuit board and electronic device comprising same |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203675437U true CN203675437U (en) | 2014-06-25 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320895890.8U Expired - Fee Related CN203675437U (en) | 2013-12-27 | 2013-12-27 | Circuit board and electronic device comprising same |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203675437U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108668434A (en) * | 2018-06-22 | 2018-10-16 | 晶晨半导体（深圳）有限公司 | Without branch's alternative resistance circuit plate and electronic device |
| CN114938568A (en) * | 2022-06-15 | 2022-08-23 | 昆山国显光电有限公司 | Circuit board structure and circuit testing method |
-
2013
- 2013-12-27 CN CN201320895890.8U patent/CN203675437U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108668434A (en) * | 2018-06-22 | 2018-10-16 | 晶晨半导体（深圳）有限公司 | Without branch's alternative resistance circuit plate and electronic device |
| CN114938568A (en) * | 2022-06-15 | 2022-08-23 | 昆山国显光电有限公司 | Circuit board structure and circuit testing method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140625 Termination date: 20161227 |