CN210403997U - Power distributor for public security digital cluster private network - Google Patents
Power distributor for public security digital cluster private network Download PDFInfo
- Publication number
- CN210403997U CN210403997U CN201921685885.8U CN201921685885U CN210403997U CN 210403997 U CN210403997 U CN 210403997U CN 201921685885 U CN201921685885 U CN 201921685885U CN 210403997 U CN210403997 U CN 210403997U
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- private network
- branch line
- power divider
- output
- line
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Abstract
A power divider for a public security digital trunking private network comprises a dielectric slab and a microstrip line component arranged on the dielectric slab; wherein microstrip line subassembly includes: the input end is arranged at one end of the dielectric plate; one end of the first branch line is connected with the input end; one end of the second branch line is connected with the input end; the first output end is arranged at the other end of the dielectric plate and connected with the other end of the first branch line; and the second output end is arranged at the other end of the dielectric plate and is connected with the other end of the second branch line. The utility model discloses a power divider for digital cluster private network of policeman has following advantage: simplifies the production process and reduces the production cost. The periphery of the port and the circuit is connected with the bottom plate through the copper-clad through hole, so that the optimization of parasitic capacitance is realized, the interference between two paths of signals is avoided, the isolation of output signals is increased, and the stability of the power divider is improved.
Description
Technical Field
The utility model relates to an electricity field especially relates to microwave communication technology, the power divider among the in particular to mobile communication technical field, and specifically is a power divider who is used for public security digital cluster private network.
Background
With the development and progress of science and technology and the continuous development of communication technology, more and more novel communication equipment and communication technology appear, and under the background, various industries start to carry out network construction. The power divider is a device which divides a path of input signal into two paths or multiple paths for output. In the prior art, the power divider is difficult to meet the requirements of low loss and high isolation.
SUMMERY OF THE UTILITY MODEL
To the above technical defect, an object of the present invention is to provide a power divider for a digital trunking private network of public security solving the above technical problems.
In order to solve the technical problem, the utility model discloses a power divider for public security digital trunking private network, which comprises a dielectric plate and a microstrip line component arranged on the dielectric plate; wherein the microstrip line assembly comprises: the input end is arranged at one end of the dielectric plate; one end of the first branch line is connected with the input end; one end of the second branch line is connected with the input end; the first output end is arranged at the other end of the dielectric plate, and the first output end is connected with the other end of the first branch line; and the second output end is arranged at the other end of the dielectric plate and is connected with the other end of the second branch line.
The other end of the first branch line is connected with the first output end through a first transition line.
The other end of the second branch line is connected with the second output end through a second transition line.
A matching resistance is connected between the first transition line and the second transition line.
And the medium plate is provided with input through holes which are positioned at two sides of the input end.
And branch line via holes are formed in the dielectric plate and are positioned between the first branch lines and the second branch lines.
And output through holes are formed in the dielectric plate and are respectively positioned on two sides of the first output end and the second output end.
The input through hole, the branch line through hole and the output through hole penetrate through the surface and the bottom surface of the dielectric plate.
And coating copper on the bottom surface of the dielectric plate.
And coating copper on the surfaces of the input via hole, the branch line via hole and the output via hole.
The utility model discloses a power divider for digital cluster private network of policeman has following advantage:
1. the distance between transmission lines is calculated strictly by optimization, and the line trend is reasonably arranged. And the phenomenon that the device is overlarge due to the overlong matching line of the low-frequency signal is avoided. Not only simplifies the production process, but also reduces the production cost.
2. The periphery of the port and the circuit is connected with the bottom plate through the copper-clad through hole, so that the optimization of parasitic capacitance is realized, the interference between two paths of signals is avoided, the isolation of output signals is increased, and the stability of the power divider is improved.
Drawings
Fig. 1 is the utility model discloses a power divider structural schematic for digital cluster private network of policeman.
Detailed Description
The power divider for the digital trunking private network of the present invention will be described in further detail with reference to the accompanying drawings.
As shown in fig. 1, the utility model discloses a power divider for digital cluster private network of policeman, including dielectric-slab 100, an input 200, two output 400, first branch line 210, second branch line 220, first transition line 211, second transition line 221, matching resistance 300, input via hole 510, branch line via hole 500 and output via hole 520 of crossing. The bottom of the dielectric plate 100 is fully coated with copper, and the surface is not coated with copper. The input via hole 510, the branch line via hole 500 and the output via hole 520 penetrate through the surface and the bottom of the dielectric plate 100, and the surfaces of the input via hole 510, the branch line via hole 500 and the output via hole 520 are fully coated with copper.
The utility model discloses a structure is divided to double-circuit merit, according to the special guipure width of cluster, requirements such as low-loss choose impedance transformation line for use, through the balanced impedance of transition line of the anti-change principle design of T type resistance, reduces signal reflection, reduces the line loss. Compared with the conventional microstrip power divider, in the embodiment, the input via 510 and the output via 520 are added on two sides of the input port 200 and the output end 400, so that the port isolation is improved, the branch line via 500 is added between the first branch line 210 and the second branch line 220, the line parasitic capacitance is optimized, the inter-line interference is effectively avoided, and the isolation and the intermodulation performance are improved.
Further, the matching resistor 300 is welded between the first transition line 211 and the second transition line 221, so that the isolation of the output signal is increased.
Further, by adjusting the welding position of the matching resistor 300 on the transition line, the isolation and the standing wave can be optimized.
Further, the bottom of the dielectric board 100 is fully covered with copper to ensure effective grounding of the power divider, and the input via 510, the branch line via 500 and the output via 520 penetrate through the surface and the bottom of the dielectric board 100 to transmit parasitic capacitance, parasitic inductance and the like generated by line transmission to the bottom ground.
While the preferred embodiments of the present invention have been described in detail, it will be understood by those skilled in the art that the invention is not limited thereto, and various equivalent modifications and substitutions can be made without departing from the spirit of the present invention.
Claims (10)
1. A power divider for a public security digital trunking private network is characterized by comprising a dielectric plate and a microstrip line component arranged on the dielectric plate; wherein the microstrip line assembly comprises: the input end is arranged at one end of the dielectric plate; one end of the first branch line is connected with the input end; one end of the second branch line is connected with the input end; the first output end is arranged at the other end of the dielectric plate, and the first output end is connected with the other end of the first branch line; and the second output end is arranged at the other end of the dielectric plate and is connected with the other end of the second branch line.
2. The power splitter for a digital trunking private network of claim 1 wherein the other end of the first leg is connected to the first output terminal by a first transition line.
3. The power splitter for a digital trunking private network of claim 2 wherein the other end of the second leg is connected to the second output terminal by a second transition line.
4. The power splitter for a public safety digital trunking private network of claim 3 wherein a matched resistor is connected between the first transition line and the second transition line.
5. The power divider for a public security digital trunking private network of claim 4, wherein input vias are provided on the dielectric board, the input vias being located on both sides of the input end.
6. The power divider for a public security digital trunking private network of claim 5, wherein a branch line via hole is provided on the dielectric slab, the branch line via hole being located between the first branch line and the second branch line.
7. The power divider for a public security digital trunking private network of claim 6, wherein output vias are provided on the dielectric board, the output vias being located on both sides of the first output terminal and the second output terminal, respectively.
8. The power divider for a public security digital trunking private network of claim 7, wherein the input via hole, the branch line via hole and the output via hole penetrate through the surface and the bottom surface of the dielectric slab.
9. The power divider for a private network of a public security digital cluster as claimed in claim 8, wherein copper is coated on the bottom surface of the dielectric board.
10. The power divider for a private network of public security digital clusters according to claim 9, wherein copper is coated on the surface of said input via, said branch via and said output via.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921685885.8U CN210403997U (en) | 2019-10-10 | 2019-10-10 | Power distributor for public security digital cluster private network |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921685885.8U CN210403997U (en) | 2019-10-10 | 2019-10-10 | Power distributor for public security digital cluster private network |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210403997U true CN210403997U (en) | 2020-04-24 |
Family
ID=70342388
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921685885.8U Expired - Fee Related CN210403997U (en) | 2019-10-10 | 2019-10-10 | Power distributor for public security digital cluster private network |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210403997U (en) |
-
2019
- 2019-10-10 CN CN201921685885.8U patent/CN210403997U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200424 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |