CN201541241U - Coaxial integrated GPS line amplifier - Google Patents
Coaxial integrated GPS line amplifier Download PDFInfo
- Publication number
- CN201541241U CN201541241U CN2009202716839U CN200920271683U CN201541241U CN 201541241 U CN201541241 U CN 201541241U CN 2009202716839 U CN2009202716839 U CN 2009202716839U CN 200920271683 U CN200920271683 U CN 200920271683U CN 201541241 U CN201541241 U CN 201541241U
- Authority
- CN
- China
- Prior art keywords
- amplifier
- type connector
- integrated gps
- coaxial integrated
- gps line
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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Abstract
The utility model discloses a coaxial integrated GPS line amplifier, comprising a housing and an amplifier body mounted in the housing; an input end and an output end of the amplifier body are respectively electrically connected with a connector for connecting a cable; the housing is a tubular sleeve; and the connectors are fastened on two ends of the tubular sleeve. The amplifier is directly connected in the circuit through designing the housing into the tubular sleeve and arranging the housing to be coaxially with the cable, thereby the amplifier is unnecessary to be fastened on a fixed object and meanwhile, it is very convenient for wiring in the pipeline.
Description
Technical field
The utility model relates to the line amplifier in the gps signal transmission course; Be adapted to use when distance is greater than 100 meters between GPS antenna for base station and GPS receiver, especially relate to a kind of GPS line amplifier of coaxial integrated design.
Background technology
Very faint from the gps signal of gps satellite emission, the GPS receiver for can be good trace into satellite-signal and work that can be stable.The gps signal that requirement receives is very clean.Usually the satellite-signal that long antenna radio frequency cable and extraneous electromagnetic interference will make GPS receive is worsened before entering the GPS receiver, and the degree of deterioration depends on radio frequency cable kind and length.Therefore need be in the gps signal transmission course signal being amplified to enough by force of high-fidelity, carry out long-distance transmissions again, generally be on the circuit of gps signal output, to set up amplifier, band pass filter is set in amplifier simultaneously, could prevent well that extraneous signal from disturbing, make gps signal high quality transmission arrive the GPS receiver.
Traditional amplifier volume is very big, generally comprises a housing and is located at the interior pcb board circuit of housing, and housing is provided with bindiny mechanism, by this bindiny mechanism amplifier is fixed on the fixture.The amplifier of this structure is owing to must be fixed on the fixture, and therefore very high to the configuration requirement, construction simultaneously is also inconvenient.And, under many circumstances, need be in pipeline cabling, traditional amplifier can't enter thinner pipeline, simultaneously, bigger amplifier connects also can cause obstruction to construction on the line.
The utility model content
The purpose of this utility model is: integrated GPS line amplifier a kind of and the coaxial setting of cable is provided, this line amplifier directly and cable fuse.
The purpose of this utility model is achieved in that
Coaxial integrated GPS line amplifier, comprise that a housing and is installed in the amplifier body in this housing, the input of this amplifier body and output are electrically connected with a connector that is used for stube cable respectively, described housing is a tubular pipe box, and described connector is fixed on the two ends of this tubular pipe box.
By case design being become the tubular pipe box, and connector is fixed on the two ends of tubular pipe box, thereby the tube-shaped tube cover axially is connected in the cable, become the part of cable.And no longer need to be fixed on the fixture, simultaneously, can in pipeline, connect up very easily.
Above-mentioned amplifier body is low noise amplifier LNA, and this LNA is formed by one-level filtering secondary amplifying unit serial connection, and filter is serially connected between two amplifiers, and this one-level filtering secondary amplifying unit constitutes a filtering and amplifies link.
More than design is in order to make amplifier realize better electrical performance indexes.
Above-mentioned LNA input and output are equipped with lightning-protection module.
Input and output at LNA all are provided with lightning-protection module, and injury to the device on the circuit can effectively prevent to be struck by lightning.
Above-mentioned connector is N (F) type connector.
N (F) type connector possesses general-purpose interface, can be better and the peripheral devices compatibility.
Above-mentioned filter is the medium band pass filter, and described amplifier is an isolated-gate field effect transistor (IGFET).
Filter adopts the medium band pass filter, and it is in order to obtain better electrical property and reliability that amplifier adopts isolated-gate field effect transistor (IGFET).
Above-mentioned lightning-protection module is the discharge path that is made of gas discharge tube and semiconductor discharge tube.This design has better lightning protection effect.
Above-mentioned amplifier body is located on the pcb board, described two N (F) type connector is fixed on the two ends of this pcb board, the locking nut that also has been threaded on this two N (F) type connector, these two locking nuts with this tube-shaped tube cover locking between this two N (F) type connector.
Above-mentioned amplifier body is located on the pcb board, described two N (F) type connector is fixed on the two ends of this pcb board, the locking nut that also has been threaded on one of them of this two N (F) type connector, the locking nut on this N (F) type connector and be located at stopper section on another N (F) type connector with this tube-shaped tube cover locking between this two N (F) type connector.
On pcb board, can realize circuit design integrated, make the amplifier volume littler, simultaneously, pcb board is made of hard material, N (F) type connector directly can be connected the two ends of pcb board, again by the locking nut on a N (F) the type connector and be located at stopper section on another N (F) type connector with the tube-shaped tube cover locking between this two N (F) type connector, like this, pcb board and tubular pipe box just bear the pulling force of cable simultaneously, strengthened the convenience of amplifier tension intensity of force and installation greatly, simultaneously, in the middle of two N (F) type connector is squeezed in the tubular pipe box, improved the water resistance of amplifier.
Above-mentioned locking nut is the knurled nut.
Use the knurled nut to help the locking and the dismounting of locking nut more.
Above-mentioned tubular pipe box is a stainless steel.
Stainless steel possesses well anti-interference, and ageing resistance possesses good heat-sinking capability simultaneously.
Description of drawings
Fig. 1 is a structural representation of the present utility model;
Fig. 2 is the structural representation after the assembling of a specific embodiment of the utility model;
Fig. 3 is the profile of a specific embodiment of the utility model;
Fig. 4 is the STRUCTURE DECOMPOSITION figure of a specific embodiment of the utility model;
Fig. 5 is specific embodiment of the utility model and structural representation after cable is connected;
Fig. 6 is the electrical schematic diagram of a specific embodiment of the utility model.
Embodiment
The utility model is described in further detail below in conjunction with the drawings and specific embodiments, but not as to qualification of the present utility model.
As shown in drawings, present embodiment comprises pcb board 1, tubular pipe box 2, two N (F) type connector 3-1 and 3-2, the knurled nut 4, the amplifier body is integrated on the pcb board, N (F) type connector 3-1 and 3-2 are welded on the pcb board 1 by four solder joint 1-1 that are located on the pcb board 1, tubular pipe box 2 is set on the pcb board 1, be positioned between N (F) type connector 3-1 and the 3-2, on N (F) type connector 3-2, be provided with stopper section 3-2-1, knurled nut 4 has been threaded on N (F) type connector 3-2, this knurled nut 4 and stopper section 3-2-1 are locked at tubular pipe box 2 between N (F) type connector 3-1 and the 3-2, also can on two N (F) type connector 3-1 and 3-2, the knurled nut be set all, tubular pipe box 2 be locked between N (F) type connector 3-1 and the 3-2 by connecting a knurled nut.
In the work progress, product be connected with stube cable tighten after, the place is wrapped with adhesive waterproof tape at N (F) type connector, can play good waterproof action.
Fig. 6 is the electrical schematic diagram of present embodiment, as can be seen from the figure, the amplifier body is low noise amplifier LNA, this LNA is formed by one-level filtering secondary amplifying unit serial connection, filter F is serially connected between two amplifier Q1 and the Q2, and this one-level filtering secondary amplifying unit constitutes a filtering and amplifies link.Input and the output of LNA are equipped with lightning-protection module, and this lightning-protection module is the discharge path that is made of two gas discharge tube TG1 and TG2 and semiconductor discharge tube TVS1 and TVS2.This design has better lightning protection effect.
Fig. 5 is a present embodiment and structural representation after cable is connected, as can be seen from the figure, the N of present embodiment (F) type connector is connected with cable 5 by nut 6 respectively, make this amplifier and cable 5 form an integral body, amplifier becomes the part of transmission line, can be fixed on other fixtures, and cabling from pipeline very easily.
Filtering amplify the input of link and output respectively and N (F) type connector be electrically connected.Filter F is the medium band pass filter, and amplifier Q1 and Q2 are isolated-gate field effect transistor (IGFET)s.
Present embodiment adopts the material of stainless steel as tubular pipe box 2, also can select other metal materials for use, the circuit part of present embodiment can be according to user's demand, the product (from 12-30dB) that different gains is produced in design is complementary fully with the system design loop gain, reaches the optimal performance of system.
Its main electrical performance indexes is as follows:
Frequency range: 1575MHz ± 5MHz
Noise scope: 3dB≤
Band is outer to be suppressed :-23dB≤(@fo ± 100MHz)
Supply power voltage: DC3.5-6V
Input/output port lightning protection: according to IEC61000-4-5 1.2/50us 3000V surge voltage.
Operating current 20mA≤
Claims (10)
1. coaxial integrated GPS line amplifier, comprise that a housing and is installed in the amplifier body in this housing, the input of this amplifier body and output are electrically connected with a connector that is used for stube cable respectively, it is characterized in that: described housing is a tubular pipe box, and described connector is fixed on the two ends of this tubular pipe box.
2. coaxial integrated GPS line amplifier according to claim 1, it is characterized in that: described amplifier body is low noise amplifier LNA, this LNA is formed by one-level filtering secondary amplifying unit serial connection, filter is serially connected between two amplifiers, and this one-level filtering secondary amplifying unit constitutes a filtering and amplifies link.
3. coaxial integrated GPS line amplifier according to claim 2 is characterized in that: described LNA input and output are equipped with the two-stage lightning-protection module.
4. coaxial integrated GPS line amplifier according to claim 1 is characterized in that: described connector is N (F) type connector.
5. coaxial integrated GPS line amplifier according to claim 2 is characterized in that: described filter is the medium band pass filter, and described amplifier is an isolated-gate field effect transistor (IGFET).
6. coaxial integrated GPS line amplifier according to claim 3 is characterized in that: described lightning-protection module is the discharge path that is made of gas discharge tube and semiconductor discharge tube.
7. coaxial integrated GPS line amplifier according to claim 4, it is characterized in that: described amplifier body is located on the pcb board, described two N (F) type connector is fixed on the two ends of this pcb board, this N (F) type connector one end design has locking nut, this locking nut with this tube-shaped tube cover locking between this two N (F) type connector.
8. coaxial integrated GPS line amplifier according to claim 4, it is characterized in that: described amplifier body is located on the pcb board, described two N (F) type connector is fixed on the two ends of this pcb board, also be furnished with locking nut on one of them of this two N (F) type connector, the locking nut on this N (F) type connector and be located at stopper section on another N (F) type connector with this tube-shaped tube cover locking between this two N (F) type connector.Coat all-purpose adhesive before tightening, it is in aggregates to tighten the back product.
9. according to claim 7 or 8 described coaxial integrated GPS line amplifiers, it is characterized in that: described locking nut is the knurled nut.
10. according to each described coaxial integrated GPS line amplifier of claim 1-8, it is characterized in that: described tubular pipe box is a stainless steel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009202716839U CN201541241U (en) | 2009-11-30 | 2009-11-30 | Coaxial integrated GPS line amplifier |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009202716839U CN201541241U (en) | 2009-11-30 | 2009-11-30 | Coaxial integrated GPS line amplifier |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201541241U true CN201541241U (en) | 2010-08-04 |
Family
ID=42592691
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009202716839U Expired - Fee Related CN201541241U (en) | 2009-11-30 | 2009-11-30 | Coaxial integrated GPS line amplifier |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201541241U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106231734A (en) * | 2016-09-01 | 2016-12-14 | 深圳市金达照明有限公司 | A kind of main linely connected power sup ply isolated DMX512 signal amplifier |
-
2009
- 2009-11-30 CN CN2009202716839U patent/CN201541241U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106231734A (en) * | 2016-09-01 | 2016-12-14 | 深圳市金达照明有限公司 | A kind of main linely connected power sup ply isolated DMX512 signal amplifier |
| CN106231734B (en) * | 2016-09-01 | 2018-06-29 | 深圳市金达照明有限公司 | A kind of isolated DMX512 signal amplifiers of main linely connected power sup ply |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee |
Owner name: GUANGDONG TONGYU COMMUNICATIONS CO., LTD. Free format text: FORMER NAME: GUANGDONG TONGYU COMMUNICATION EQUIPMENT CO., LTD. |
|
| CP01 | Change in the name or title of a patent holder |
Address after: 528437 Torch Road 9, Torch Development Zone, Guangdong, Zhongshan, -1 Patentee after: Guangdong Tongyu Communications Co., Ltd. Address before: 528437 Torch Road 9, Torch Development Zone, Guangdong, Zhongshan, -1 Patentee before: Guangdong Tongyu Communication Equipment Co., Ltd. |
|
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20100804 Termination date: 20131130 |