CN214281742U - Radio frequency device and printed circuit board structure thereof - Google Patents
Radio frequency device and printed circuit board structure thereof Download PDFInfo
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- CN214281742U CN214281742U CN202120501840.1U CN202120501840U CN214281742U CN 214281742 U CN214281742 U CN 214281742U CN 202120501840 U CN202120501840 U CN 202120501840U CN 214281742 U CN214281742 U CN 214281742U
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- radio frequency
- coupling
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- microstrip
- transmission line
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Abstract
The utility model provides a radio frequency equipment and printed circuit board structure thereof, printed circuit board structure includes: a first coupling line, a second coupling line and a printed board; the first coupling line and the second coupling line are both arranged on the printed board; the first coupling line comprises a first microstrip radio frequency transmission line and a first coupling terminal; one end of the first microstrip radio frequency transmission line is electrically connected with the antenna, and the other end of the first microstrip radio frequency transmission line is electrically connected with the first coupling terminal; the second coupling line comprises a second microstrip radio frequency transmission line and a second coupling terminal; one end of the second microstrip radio frequency transmission line is electrically connected with the radio frequency module, and the other end of the second microstrip radio frequency transmission line is electrically connected with the second coupling terminal; the first coupling terminal and the second coupling terminal are oppositely arranged; the antenna and the radio frequency module are coupled through the first coupling terminal and the second coupling terminal respectively to transmit radio frequency signals. The utility model discloses PCB prevent static, prevent ability such as direct current, reduced the damage to radio frequency equipment effectively to the product property ability of radio frequency equipment has been promoted.
Description
Technical Field
The utility model relates to a wireless communication technology field, in particular to radio frequency equipment and printed circuit board structure thereof.
Background
A system IC (Integrated Circuit Chip) is an Integrated Circuit that integrates a computer or other electronic system into a single Chip. The system-on-chip can handle digital signals, analog signals, mixed signals, and even higher frequency signals. System chips are often used in embedded systems. As system ICs are manufactured using more advanced process technologies, system ICs become more vulnerable to static electricity, lightning strikes, and the like, and many of the current rf devices require isolation of dc power, such as external LNAs (low noise amplifiers), transceivers, and the like. In order to solve the above problems, at present, when a PCB (Printed Circuit Board) is designed, it is considered to add an ESD (Electro-Static discharge) device, a dc blocking capacitor, and the like, but the PCB adopting the technology of adding the ESD device, the dc blocking capacitor, and the like is still weak in terms of Static electricity prevention and dc prevention, and cannot meet the actual use requirement.
SUMMERY OF THE UTILITY MODEL
The to-be-solved technical problem of the utility model is to provide a radio frequency equipment and printed circuit board structure in order to overcome among the prior art PCB at the defect that prevent static, prevent that the ability is weak in the aspect of the direct current.
The utility model discloses an above-mentioned technical problem is solved through following technical scheme:
the utility model provides a radio frequency equipment's printed circuit board structure, radio frequency equipment includes antenna and radio frequency module, printed circuit board structure includes: a first coupling line, a second coupling line and a printed board; the first coupling line and the second coupling line are both disposed on the printed board;
the first coupling line comprises a first microstrip radio frequency transmission line and a first coupling terminal; one end of the first microstrip radio frequency transmission line is electrically connected with the antenna, and the other end of the first microstrip radio frequency transmission line is electrically connected with the first coupling terminal;
the second coupling line comprises a second microstrip radio frequency transmission line and a second coupling terminal; one end of the second microstrip radio frequency transmission line is electrically connected with the radio frequency module, and the other end of the second microstrip radio frequency transmission line is electrically connected with the second coupling terminal;
the first coupling terminal and the second coupling terminal are oppositely arranged;
the antenna and the radio frequency module are coupled through the first coupling terminal and the second coupling terminal respectively to transmit radio frequency signals.
Preferably, the first microstrip rf transmission line, the first coupling terminal, the antenna and the rf module are disposed on one side of the printed board, and the second coupling terminal and a part of the second microstrip rf transmission line are disposed on the other side of the printed board.
Preferably, the printing plate is provided with an opening;
the second microstrip radio frequency transmission line penetrates through the printing plate through the opening.
Preferably, the first coupling terminal is in a shape of a circular disk.
Preferably, the second coupling terminal is in a shape of a circular disk.
Preferably, the first coupling line is a set metal line.
Preferably, the second coupling line is a set metal line.
Preferably, the metal wire is a copper wire.
The utility model also provides a radio frequency equipment, radio frequency equipment includes the printed wiring board structure of aforementioned radio frequency equipment.
The utility model discloses an actively advance the effect and lie in:
the utility model discloses a set up first coupling line, second coupling line in the printed wiring board structure of radio frequency equipment, make the antenna with carry out the coupling with transmission radio frequency signal through first coupling line and second coupling line respectively between the radio frequency module, improved PCB effectively prevent static, prevent ability such as direct current, reduce the damage to radio frequency equipment, thereby promoted the product property ability of radio frequency equipment.
Drawings
Fig. 1 is a schematic structural diagram of a printed circuit board structure of a radio frequency device according to embodiment 1 of the present invention.
Fig. 2 is a schematic structural diagram of a radio frequency device according to embodiment 2 of the present invention.
Detailed Description
The present invention will be more clearly and completely described below with reference to the accompanying drawings.
Example 1
The printed circuit board structure of the rf device of the present embodiment is applied to an rf device, which includes an antenna 100 and an rf module 200.
As shown in fig. 1, the present embodiment discloses a printed wiring board structure 1 of a radio frequency device, where the printed wiring board structure 1 includes: a first coupling line 11, a second coupling line 12, and a printed board 13; the first and second coupling lines 11 and 12 are both disposed on the printed board 13;
the first coupled line 11 includes a first microstrip radio frequency transmission line 111 and a first coupled terminal 112; one end of the first microstrip radio frequency transmission line 111 is electrically connected to the antenna 100, and the other end of the first microstrip radio frequency transmission line 111 is electrically connected to the first coupling terminal 112;
as shown, the second coupled line 12 includes a second microstrip radio frequency transmission line 121 and a second coupled terminal 122; one end of the second microstrip rf transmission line 121 is electrically connected to the rf module 200, and the other end of the second microstrip rf transmission line 121 is electrically connected to the second coupling terminal 122;
the first coupling terminal 112 and the second coupling terminal 122 are oppositely disposed. In an implementation manner, the first microstrip rf transmission line, the first coupling terminal, the antenna and the rf module are disposed on one side of the printed board, and the second coupling terminal and a part of the structure of the second microstrip rf transmission line are disposed on the other side of the printed board. As shown in fig. 1, the first coupling terminal 112 and a part of the structure of the first microstrip rf transmission line 111 are disposed in parallel with the second coupling terminal 122 and a part of the structure of the second microstrip rf transmission line 121, so that the antenna 100 and the rf module 200 are coupled through the first coupling terminal 112 and the second coupling terminal 122, respectively, to transmit rf signals.
In this embodiment, the first coupling terminal and the second coupling terminal are configured in a disc shape, and the first coupling terminal and the second coupling terminal may be configured in other shapes in a specific application as long as the transmission quality requirement of the radio frequency signal can be met.
In an embodiment, the first coupling line and the second coupling line are set metal lines, wherein the first coupling line and the second coupling line are preferably copper wires.
In an implementation manner, the printed board is provided with an opening, and the second microstrip radio frequency transmission line penetrates through the printed board through the opening. In a specific embodiment, the first layer of the printed board and the second layer arranged adjacently are provided with openings, the first coupling terminal, the antenna and the radio frequency module are arranged on the first layer of the printed board, one end of the second microstrip radio frequency transmission line is connected with the radio frequency module, and the other end of the second microstrip radio frequency transmission line is connected with the second coupling terminal arranged on the lower surface of the second layer through the hole structure. In specific implementation, the printed board is provided with a multilayer plate-shaped structure, the arrangement levels of the first coupling line and the second coupling line are determined according to the actual simulation effect of the structure of the printed circuit board, and the specific arrangement layer of the first coupling line and the second coupling line is not limited.
The embodiment discloses a printed circuit board structure of radio frequency equipment, and a first coupling line and a second coupling line are arranged in the printed circuit board structure of the radio frequency equipment, so that an antenna and a radio frequency module are coupled through the first coupling line and the second coupling line respectively to transmit radio frequency signals, and the anti-static and anti-direct-current capabilities of a PCB are effectively improved.
Example 2
As shown in fig. 2, the present embodiment discloses a radio frequency device, which includes the printed circuit board structure 1 of embodiment 1, an antenna 100 and a radio frequency module 200.
The radio frequency devices include, but are not limited to, GPS (global positioning system), WiFi (wireless communication technology), cellular (cellular technology).
The radio frequency equipment of the embodiment adopts the printed circuit board structure, so that the antenna and the radio frequency module are respectively coupled through the first coupling terminal and the second coupling terminal to transmit radio frequency signals, the anti-static and anti-direct current capabilities of the PCB are effectively improved, the damage to the radio frequency equipment is reduced, and the product performance of the radio frequency equipment is improved.
Although specific embodiments of the present invention have been described above, it will be understood by those skilled in the art that this is by way of example only and that the scope of the invention is defined by the appended claims. Various changes and modifications to these embodiments may be made by those skilled in the art without departing from the spirit and the principles of the present invention, and these changes and modifications are all within the scope of the present invention.
Claims (9)
1. A printed wiring board structure of a radio frequency device, the radio frequency device comprising an antenna and a radio frequency module, the printed wiring board structure comprising: a first coupling line, a second coupling line and a printed board; the first coupling line and the second coupling line are both disposed on the printed board;
the first coupling line comprises a first microstrip radio frequency transmission line and a first coupling terminal; one end of the first microstrip radio frequency transmission line is electrically connected with the antenna, and the other end of the first microstrip radio frequency transmission line is electrically connected with the first coupling terminal;
the second coupling line comprises a second microstrip radio frequency transmission line and a second coupling terminal; one end of the second microstrip radio frequency transmission line is electrically connected with the radio frequency module, and the other end of the second microstrip radio frequency transmission line is electrically connected with the second coupling terminal;
the first coupling terminal and the second coupling terminal are oppositely arranged;
the antenna and the radio frequency module are coupled through the first coupling terminal and the second coupling terminal respectively to transmit radio frequency signals.
2. The printed wiring board structure of a radio frequency device according to claim 1, wherein the first microstrip radio frequency transmission line, the first coupling terminal, the antenna, and the radio frequency module are disposed on one side of the printed board, and the second coupling terminal and a part of the structure of the second microstrip radio frequency transmission line are disposed on the other side of the printed board.
3. The printed wiring board structure of a radio frequency device according to claim 2, wherein the printed wiring board is provided with an opening;
the second microstrip radio frequency transmission line penetrates through the printing plate through the opening.
4. The printed wiring board structure of a radio frequency device according to any one of claims 1 to 3, wherein the first coupling terminal is in a shape of a circular disk.
5. The printed wiring board structure of a radio frequency device according to any one of claims 1 to 3, wherein the second coupling terminal is in a shape of a circular disk.
6. The printed wiring board structure of a radio frequency device according to claim 1, wherein the first coupling line is a set metal line.
7. The printed wiring board structure of a radio frequency device according to claim 1, wherein the second coupling line is a set metal line.
8. The printed wiring board structure of a radio frequency device according to claim 6 or 7, wherein the metal line is a copper wire.
9. A radio frequency device, characterized in that it comprises a printed wiring board structure of a radio frequency device according to any one of claims 1 to 8.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120501840.1U CN214281742U (en) | 2021-03-04 | 2021-03-04 | Radio frequency device and printed circuit board structure thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120501840.1U CN214281742U (en) | 2021-03-04 | 2021-03-04 | Radio frequency device and printed circuit board structure thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214281742U true CN214281742U (en) | 2021-09-24 |
Family
ID=77793825
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120501840.1U Active CN214281742U (en) | 2021-03-04 | 2021-03-04 | Radio frequency device and printed circuit board structure thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214281742U (en) |
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2021
- 2021-03-04 CN CN202120501840.1U patent/CN214281742U/en active Active
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