CN203086411U - Television antenna built-in amplifier - Google Patents
Television antenna built-in amplifier Download PDFInfo
- Publication number
- CN203086411U CN203086411U CN 201320014548 CN201320014548U CN203086411U CN 203086411 U CN203086411 U CN 203086411U CN 201320014548 CN201320014548 CN 201320014548 CN 201320014548 U CN201320014548 U CN 201320014548U CN 203086411 U CN203086411 U CN 203086411U
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- China
- Prior art keywords
- amplifier
- printed circuit
- circuit board
- television antenna
- filters
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- Expired - Fee Related
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- Structure Of Receivers (AREA)
- Amplifiers (AREA)
- Input Circuits Of Receivers And Coupling Of Receivers And Audio Equipment (AREA)
Abstract
A television antenna built-in amplifier comprises signal receivers, filters, amplifier bodies, a choking coil and a signal output device. The signal receivers, the filters, the amplifier bodies, the choking coil and the signal output device are arranged on a main circuit board. The filters and the choking coil are printed circuit units arranged on the circuit board. Due to the fact that the television antenna built-in amplifier adopts the high frequency electronic microstrip theory, component prototypes of the inductive coil type filters and the choking coil are calculated, high frequency analogue simulation software is used for conducting optimization, then sample actual debugging is conducted, and setting printed circuit units which replace all functional components are eventually determined, so that when the printed circuit units are produced, component parameters meets standards once, and later manual debugging is not needed, besides, the printed circuit units are used as one part of circuit board cooper foil, external structure is stable and reliable, so that deformation and damages are not generated in the whole process of product production, transportation and using, and then production efficiency of products is greatly improved, and final quality and performance stability of the products are greatly improved.
Description
[technical field]
The utility model relates to the television antenna incorporated amplifier.
[background technology]
In traditional television antenna incorporated amplifier design process, general adopt " air-core inductance " that the copper cash coiling is arranged is as the filter circuit of incorporated amplifier and the basic components and parts unit of choke circuit.Yet there are many shortcomings in this kind circuit design method:
1. because air-core inductance is the copper cash coiling in various not collinear footpaths, so its mechanical structure deforms in the production use easily, thereby causes the parameters precision of this kind cell low, easily changes, and the product first-time qualification rate is lower;
2. because situation described above, so in using " air-core inductance " production debug process, must carry out manual adjustment to the form of " air-core inductance " by artificial cooperation specialist high frequency instrument, to reach basic parameters precision, yet this process is higher to commissioning staff's experience and competency profiling, also reduced production efficiency, thereby needed a large amount of professional instrument of increase and professional, finally increased production cost to reach production capacity;
3. because " air-core inductance " basic mechanical structure, exist secondary deformation takes place in the processes such as all transportations after production debugging is good, assembling, use, so the product parameters consistency that causes this kind method for designing to be produced is low, finally influence the performance of user's serviceability of product.
[utility model content]
The purpose of this utility model is to be to overcome the deficiencies in the prior art, the television antenna incorporated amplifier of a kind of rational in infrastructure, reliable in quality and stable performance is provided, it can be enhanced productivity, and can not be out of shape in production, transportation and use and changes amplification effect.
In order to solve the technical problem of above-mentioned existence, the utility model adopts following technical proposals:
A kind of television antenna incorporated amplifier includes the signal receiver, filter, amplifier, choke and the signal output device that are arranged on the main circuit board, and described filter and choke are arranged on the printed circuit unit on the circuit board.
In the improvement project to above-mentioned television antenna incorporated amplifier, described printed circuit unit is snakelike or spiral type.
In the improvement project to above-mentioned television antenna incorporated amplifier, the circuit board of described snakelike printed circuit unit is the part of the main circuit board of television antenna incorporated amplifier.
Compared with prior art, the beneficial effects of the utility model are: because it is to utilize " the little band of high-frequency electronic is theoretical ", inductance coil formula filter and choke are calculated the parts prototype, be optimized by " high frequency analogue simulation software " again, carry out the actual debugging of sample afterwards with the final typing " printed circuit unit " of determining to substitute each functional part, we know that " printed circuit unit " adopts high accuracy, high efficiency " printed circuit " production technology, and one-shot forming when producing circuit board, the location, thereby make parameters of operating part once up to standard, do not need the later stage manual debugging, and this " printing element " is as the part of circuit board Copper Foil, surface structure is reliable and stable, therefore at production, can not produce distortion and damage in transportation and the use overall process, thereby improved production efficiency of products greatly, also improved the final quality and the stability of product greatly.
Below in conjunction with accompanying drawing and embodiment the utility model is described in further detail:
[description of drawings]
Fig. 1 is the schematic diagram of television antenna incorporated amplifier execution mode one;
Fig. 2 is the schematic diagram of television antenna incorporated amplifier execution mode two;
Fig. 3 be present stage the television antenna incorporated amplifier filter and the structural representation of choke;
Fig. 4 is the structural representation of the execution mode one of filter of the present utility model and choke;
Fig. 5 is the structural representation under the execution mode of filter of the present utility model and choke.
[embodiment]
The utility model is a kind of television antenna incorporated amplifier, as shown in Figure 1, 2, it includes signal receiver 2, filter 3, amplifier 4, choke 5 and the signal output device 6 that is arranged on the main circuit board 1, this: described filter 3 and choke 5 are arranged on the printed circuit unit 8 on the circuit board 7, as shown in Figure 4.
We know, the television antenna incorporated amplifier mainly contains dual mode, as shown in Figure 1, 2, wherein, the mode of Fig. 1 be will receive two frequency band signals respectively successively after separately a last filter 3, amplifier 4 and next filter 3 are handled, all output on the television reception end by shared signal output device 6; And the mode of Fig. 2 be two channel signals that will receive earlier respectively after filter 3 is separately handled, output on the television reception end through shared amplifier 4 and signal output device 6 again.
Present stage, traditional filter 3 and choke 5 adopt air-core inductance structure 9, as shown in Figure 3, and the utility model is to utilize " the little band of high-frequency electronic is theoretical ", inductance coil formula filter and choke are calculated the parts prototype, be optimized by " high frequency analogue simulation software " again, carry out the actual debugging of sample afterwards with the final typing " printed circuit unit " of determining to substitute each functional part, as shown in Figure 4; Because printed circuit unit adopts high accuracy, high efficiency printed circuit production technology, and one-shot forming when producing circuit board, location, thereby make parameters of operating part once up to standard, do not need the later stage manual debugging, and this " printing element " is the part of circuit board Copper Foil, surface structure is reliable and stable, therefore in production, transportation and use overall process, can not produce distortion and damage, thereby improved production efficiency of products greatly, also improved the final quality and the stability of product greatly.
Generally, the circuit board 7 of printed circuit unit 8 is main circuit boards 1 of public antenna incorporated amplifier, promptly as the part of main circuit board.Certainly, the circuit board 7 of printed circuit unit 8 also can be independently, but at this moment needs the two ends of printed circuit unit 8 are connected main circuit board 1 by lead.As can be seen, the television antenna incorporated amplifier of common board is structurally reasonable more, production efficiency is higher, and it is also more stable to work.Printed circuit unit 8 normally is snakelike (as shown in Figure 4) or spirality (as shown in Figure 5).
Being the utility model preferred embodiment only in sum, is not to be used for limiting practical range of the present utility model, and promptly all equivalences of doing according to the content of the utility model claim change and modify, and all should belong to technology category of the present utility model.
Claims (3)
1. a television antenna incorporated amplifier includes the signal receiver, filter, amplifier, choke and the signal output device that are arranged on the main circuit board, it is characterized in that described filter and choke are arranged on the printed circuit unit on the circuit board.
2. television antenna incorporated amplifier according to claim 1 is characterized in that, the shape of described circuit unit is type or form by the line segment of some equal in length with the end to end arc limit that fuses of these line segments in the shape of a spiral.
3. television antenna incorporated amplifier according to claim 1 and 2 is characterized in that, the circuit board of described printed circuit unit is the part of the main circuit board of television antenna incorporated amplifier.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320014548 CN203086411U (en) | 2013-01-11 | 2013-01-11 | Television antenna built-in amplifier |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320014548 CN203086411U (en) | 2013-01-11 | 2013-01-11 | Television antenna built-in amplifier |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203086411U true CN203086411U (en) | 2013-07-24 |
Family
ID=48832213
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320014548 Expired - Fee Related CN203086411U (en) | 2013-01-11 | 2013-01-11 | Television antenna built-in amplifier |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203086411U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111952733A (en) * | 2020-07-03 | 2020-11-17 | 深圳捷豹电波科技有限公司 | Antenna board and wireless charging and communication module applying same |
-
2013
- 2013-01-11 CN CN 201320014548 patent/CN203086411U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111952733A (en) * | 2020-07-03 | 2020-11-17 | 深圳捷豹电波科技有限公司 | Antenna board and wireless charging and communication module applying same |
| CN111952733B (en) * | 2020-07-03 | 2023-02-03 | 深圳捷豹电波科技有限公司 | Antenna board and wireless charging and communication module applying same |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130724 Termination date: 20140111 |