CN111901054A - Constant value intermodulation direct connection - Google Patents
Constant value intermodulation direct connection Download PDFInfo
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- CN111901054A CN111901054A CN202010637511.XA CN202010637511A CN111901054A CN 111901054 A CN111901054 A CN 111901054A CN 202010637511 A CN202010637511 A CN 202010637511A CN 111901054 A CN111901054 A CN 111901054A
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- intermodulation
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B17/00—Monitoring; Testing
- H04B17/20—Monitoring; Testing of receivers
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B17/00—Monitoring; Testing
- H04B17/20—Monitoring; Testing of receivers
- H04B17/21—Monitoring; Testing of receivers for calibration; for correcting measurements
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B17/00—Monitoring; Testing
- H04B17/20—Monitoring; Testing of receivers
- H04B17/29—Performance testing
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B17/00—Monitoring; Testing
- H04B17/30—Monitoring; Testing of propagation channels
- H04B17/309—Measuring or estimating channel quality parameters
- H04B17/345—Interference values
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- Electromagnetism (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Quality & Reliability (AREA)
- Control Of Motors That Do Not Use Commutators (AREA)
Abstract
The invention discloses a constant value intermodulation direct connection, which comprises a shell and a transmission copper sheet, wherein an input joint is arranged on one side wall outside the shell, an output joint is arranged on one side wall outside the shell opposite to the input joint, a first fixing screw is arranged between the input joint and the shell, a second fixing screw is arranged between the output joint and the shell, an input intermodulation tuning screw is arranged in a groove hole formed in the other side wall outside the shell, an output intermodulation tuning screw is arranged on one side of the input intermodulation tuning screw, and an input hole blocking screw is arranged on the other side of the input intermodulation tuning screw. Has the advantages that: according to the invention, the transmission copper sheet is used between the joints at the two sides of the metal cavity and connected with the joints at the two ends, and the input intermodulation tuning screw and the output intermodulation tuning screw are used right above the transmission copper sheet to adjust the intermodulation value, so that the structure is simple, the operation is convenient, the manufacturing process is simple, the cost is low, and the mass production and the use are facilitated.
Description
Technical Field
The invention relates to the technical field of intermodulation tests, in particular to a fixed value intermodulation direct connection.
Background
When more than two different frequency signals act on a nonlinear circuit, they will modulate with each other to generate new frequency signal output, if the frequency just falls within the operating channel bandwidth of the receiver, it will form interference to the receiver, this interference is intermodulation interference, the intermodulation interference is generated by the nonlinear circuit in the transmission channel, when two or more different frequency signals are input to the nonlinear circuit, due to the effect of the nonlinear device, many harmonics and combined frequency components will be generated, among which the combined frequency component close to the desired signal frequency ω 0 will smoothly pass through the receiver to form interference, this interference is called intermodulation interference.
In the intermodulation index testing process, because the testing systems of all manufacturers are based on the factory standards of all manufacturers, partial differences can occur when the testing systems of different manufacturers test the same product, and the existing testing standard parts are complex, high in cost, inconvenient to operate, not beneficial to mass production and use and convenient and fast testing and use of users.
Disclosure of Invention
The present invention aims to solve the above problems and provide a fixed value intermodulation direct-connection.
The invention realizes the purpose through the following technical scheme:
a constant value intermodulation direct connection comprises a shell and a transmission copper sheet, wherein an input joint is arranged on one side wall outside the shell, an output joint is arranged on one side wall opposite to the input joint outside the shell, a first fixing screw is arranged between the input joint and the shell, a second fixing screw is arranged between the output joint and the shell, an input intermodulation tuning screw is arranged in a groove hole formed in the other side wall outside the shell, an output intermodulation tuning screw is arranged on one side of the input intermodulation tuning screw, an input hole blocking screw is arranged on the other side of the input intermodulation tuning screw, an output hole blocking screw is arranged on the other side of the output intermodulation tuning screw, an inner cavity pipeline is arranged inside the shell, a fixing sleeve is arranged in the inner cavity pipeline inside the input joint and the output joint, and a connecting rod is arranged inside the fixing sleeve, the transmission copper sheet is arranged between the connecting rods, an input copper sheet fixing screw is arranged on one side of the transmission copper sheet and one side of the connecting rods, an output copper sheet fixing screw is arranged on the other side of the transmission copper sheet and the other side of the connecting rods, inner cores are arranged on one sides, far away from the inner cavity pipeline, of the input joint and the output joint, and a connecting cap is arranged between the inner cores and the connecting rods.
Furthermore, the input joint is fixedly connected with the shell through the first fixing screw, and the first fixing screw penetrates through the input joint and is screwed with the threaded through hole of the shell.
By adopting the technical scheme, the input connector is used for accessing the test system to input the test signal.
Furthermore, the output connector and the shell are fixedly connected through a second fixing screw, and the second fixing screw penetrates through the output connector and is screwed with the threaded through hole of the shell.
By adopting the technical scheme, the output connector is used for being connected to an analysis and test structure of a test system and analyzing the interference data of the signal.
Further, the input intermodulation tuning screw and the output intermodulation tuning screw are both fixedly connected with the shell through threads, and the input intermodulation tuning screw and the output intermodulation tuning screw are both cross-shaped cutter groove screws.
By adopting the technical scheme, the input intermodulation tuning screw and the output intermodulation tuning screw are both made of metal materials and used for accessing external interference signals.
Furthermore, the input hole plugging screw and the output hole plugging screw are both fixedly connected with the shell through threads, and the input hole plugging screw and the output hole plugging screw are both straight-line-shaped cutter groove screws.
By adopting the technical scheme, the input hole plugging screw and the output hole plugging screw are used as standby access pore canals, and can be opened for standby when a plurality of interference signals need to be accessed.
Further, the inner cavity pipeline is formed in the shell, the fixed sleeve is connected with the input connector and the output connector through clamping grooves, and the fixed sleeve is connected with the inner cavity pipeline in an inserting mode.
By adopting the technical scheme, the inner cavity pipeline is made of the metal material, and the fixing sleeve is made of the insulating material.
Furthermore, the inner core is clamped and pressed in the input joint and the output joint, the connecting rod and the solid sleeve penetrate through and are fixed, and the connecting rod and the inner core are fixedly connected through a connecting cap.
By adopting the technical scheme, the inner core and the connecting rod are both made of conductive materials and are used for transmitting signals.
Furthermore, the transmission copper sheet is connected with the connecting rod in a matched mode through the input copper sheet fixing screw and the output copper sheet fixing screw, and the input copper sheet fixing screw and the output copper sheet fixing screw are both in threaded connection with the connecting rod.
By adopting the technical scheme, the transmission copper sheet is used for conducting signals and is used as an intermediate medium for adjusting the intermodulation value.
Further, the transmission copper sheet is in contact connection with both the input intermodulation tuning screw and the output intermodulation tuning screw.
The specific working principle is as follows: when the device is used, the device is installed on a test system through an input joint and an output joint, an excitation signal is accessed through an inner core, the excitation signal is transmitted to a transmission copper sheet through a connecting rod and then is output from the output joint, in addition, an interference signal is accessed through an input intermodulation tuning screw and an output intermodulation tuning screw, and the connection between the device and the transmission copper sheet is contacted or disconnected through adjusting the depth degree of the input intermodulation tuning screw and the output intermodulation tuning screw, so as to achieve the purpose of inputting the interference signal, when the device tests partial differences of the same product by test systems of different manufacturers, the device can quickly adjust through the input intermodulation tuning screw and the output intermodulation tuning screw to determine the differences between different intermodulation test systems so as to unify intermodulation test standards, the operation is simple and quick, the device is simple to manufacture, and the cost is low, is beneficial to mass production and use.
The invention has the beneficial effects that:
according to the invention, the transmission copper sheet is used between the joints at the two sides of the metal cavity and connected with the joints at the two ends, and the input intermodulation tuning screw and the output intermodulation tuning screw are used right above the transmission copper sheet to adjust the intermodulation value, so that the structure is simple, the operation is convenient, the manufacturing process is simple, the cost is low, and the mass production and the use are facilitated.
Drawings
Fig. 1 is a schematic structural diagram of intermodulation straight-through of a constant value according to the present invention;
FIG. 2 is a top cross-sectional view of a constant value intermodulation pass-through in accordance with the present invention;
fig. 3 is a schematic diagram of a separated structure of a housing in a constant value intermodulation direct connection according to the present invention;
fig. 4 is a schematic diagram of a connection relationship between an inner core and a connecting rod in a constant value intermodulation direct connection according to the present invention.
The reference numerals are explained below:
1. an input connector; 2. a first fixing screw; 3. an output connector; 4. a second fixing screw; 5. a housing; 6. inputting a hole plugging screw; 7. outputting a hole plugging screw; 8. inputting an intermodulation tuning screw; 9. outputting an intermodulation tuning screw; 10. inputting a copper sheet fixing screw; 11. an output copper sheet fixing screw; 12. a transmission copper sheet; 13. an inner lumen conduit; 14. fixing the sleeve; 15. a connecting rod; 16. an inner core; 17. and a connecting cap.
Detailed Description
The invention will be further described with reference to the accompanying drawings in which:
as shown in fig. 1-4, a constant value intermodulation straight-through comprises a housing 5 and a transmission copper sheet 12, an input connector 1 is arranged on one side wall of the exterior of the housing 5, an output connector 3 is arranged on one side wall of the exterior of the housing 5 opposite to the input connector 1, a first fixing screw 2 is arranged between the input connector 1 and the housing 5, a second fixing screw 4 is arranged between the output connector 3 and the housing 5, an input intermodulation tuning screw 8 is arranged in a groove hole formed in the other side wall of the exterior of the housing 5, an output intermodulation tuning screw 9 is arranged on one side of the input intermodulation tuning screw 8, an input hole-blocking screw 6 is arranged on the other side of the input intermodulation tuning screw 8, an output hole-blocking screw 7 is arranged on the other side of the output intermodulation tuning screw 9, an inner cavity pipeline 13 is arranged in the housing 5, a fixing sleeve 14 is arranged in, the connecting rod 15 is arranged inside the fixing sleeve 14, the transmission copper sheet 12 is arranged between the connecting rods 15, the input copper sheet fixing screw 10 is arranged on one side of the transmission copper sheet 12 and one side of the connecting rod 15, the output copper sheet fixing screw 11 is arranged on the other side of the transmission copper sheet 12 and the connecting rod 15, the inner core 16 is arranged on one side, far away from the inner cavity pipeline 13, of the inner part of the input joint 1 and the output joint 3, and the connecting cap 17 is arranged between the inner core 16.
In this embodiment, the input connector 1 and the housing 5 are fixedly connected through a first fixing screw 2, the first fixing screw 2 penetrates through the threaded through holes of the input connector 1 and the housing 5 to be screwed, and the input connector 1 is used for accessing a test system to input a test signal.
In this embodiment, the output connector 3 is fixedly connected with the housing 5 through the second fixing screw 4, the second fixing screw 4 penetrates through the threaded through hole of the output connector 3 and the threaded through hole of the housing 5 to be screwed, and the output connector 3 is used for being connected to an analysis and test structure of a test system to analyze interference data of signals.
In this embodiment, the input intermodulation tuning screw 8 and the output intermodulation tuning screw 9 are both fixedly connected to the housing 5 through threads, the input intermodulation tuning screw 8 and the output intermodulation tuning screw 9 are both cross-shaped cutter-slot screws, and the input intermodulation tuning screw 8 and the output intermodulation tuning screw 9 are used for accessing external interference signals and are both made of metal materials.
In this embodiment, the input hole plugging screw 6 and the output hole plugging screw 7 are both fixedly connected to the housing 5 through threads, the input hole plugging screw 6 and the output hole plugging screw 7 are both straight-line-shaped cutter groove screws, the input hole plugging screw 6 and the output hole plugging screw 7 are used as standby access pore channels, and when a plurality of interference signals need to be accessed, the standby access pore channels can be opened for standby.
In this embodiment, the inner cavity pipeline 13 is formed in the housing 5, the fixing sleeve 14 is connected with the input connector 1 and the output connector 3 through the clamping grooves, the fixing sleeve 14 is connected with the inner cavity pipeline 13 in an inserting mode, the inner cavity pipeline 13 is made of a metal material, and the fixing sleeve 14 is made of an insulating material.
In this embodiment, the inner core 16 is clamped and pressed in the input connector 1 and the output connector 3, the connecting rod 15 is fixed to the solid sleeve in a penetrating manner, the connecting rod 15 is fixedly connected with the inner core 16 through the connecting cap 17, and the inner core 16 and the connecting rod 15 are made of conductive materials and used for transmitting signals.
In this embodiment, the transmission copper sheet 12 is connected with the connection rod 15 by the input copper sheet fixing screw 10 and the output copper sheet fixing screw 11 in a matching manner, the input copper sheet fixing screw 10 and the output copper sheet fixing screw 11 are both connected with the connection rod 15 in a threaded manner, and the transmission copper sheet 12 is used for conducting signals and is used as an intermediate medium to adjust a intermodulation value.
In this embodiment, the transmission copper sheet 12 is in contact connection with both the input intermodulation tuning screw 8 and the output intermodulation tuning screw 9.
The specific working principle is as follows: when the device is used, the device is installed on a test system through an input connector 1 and an output connector 3, an excitation signal is accessed through an inner core 16, the excitation signal is transmitted to a transmission copper sheet 12 through a connecting rod 15 and then is output from the output connector 3, in addition, an interference signal is accessed through an input intermodulation tuning screw 8 and an output intermodulation tuning screw 9, and the connection between the input intermodulation tuning screw 8 and the transmission copper sheet 12 is contacted or disconnected through adjusting the depth degree of the input intermodulation tuning screw 8 and the output intermodulation tuning screw 9, so as to achieve the purpose of inputting the interference signal, when the same product is tested by different test systems of different manufacturers to have partial difference, the device can be adjusted through the input intermodulation tuning screw 8 and the output intermodulation tuning screw 9 quickly to determine the difference between different intermodulation test systems so as to unify the intermodulation test standards, the operation is simple and quick, the device is simple to manufacture, low in cost and beneficial to mass production and use.
The foregoing illustrates and describes the principles, general features, and advantages of the present invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the invention as claimed.
Claims (9)
1. A fixed value intermodulation pass-through, characterized by: comprises a shell (5) and a transmission copper sheet (12), an input joint (1) is arranged on one side wall outside the shell (5), an output joint (3) is arranged on one side wall opposite to the input joint (1) outside the shell (5), a first fixing screw (2) is arranged between the input joint (1) and the shell (5), a second fixing screw (4) is arranged between the output joint (3) and the shell (5), an input intermodulation tuning screw (8) is arranged in a groove hole formed in the other side wall outside the shell (5), an output intermodulation tuning screw (9) is arranged on one side of the input intermodulation tuning screw (8), an input hole blocking screw (6) is arranged on the other side of the input intermodulation tuning screw (8), and an output hole blocking screw (7) is arranged on the other side of the output intermodulation tuning screw (9), the inner cavity pipeline (13) is arranged inside the shell (5), the input connector (1) and the output connector (3) are arranged inside the inner cavity pipeline (13), the fixing sleeve (14) is arranged inside the fixing sleeve (14), the connecting rod (15) is arranged inside the fixing sleeve (14), the transmission copper sheet (12) is arranged between the connecting rods (15), the input copper sheet fixing screw (10) is arranged on one side of the transmission copper sheet (12) and one side of the connecting rod (15), the output copper sheet fixing screw (11) is arranged on the other side of the transmission copper sheet (12) and the connecting rod (15), the inner core (16) is arranged on one side of the inner cavity pipeline (13) and is kept away from the inside of the input connector (1) and the output connector (3), and the connecting cap (17) is arranged between the inner core (16) and.
2. A constant value intermodulation pass-through according to claim 1, characterized in that: the input connector (1) is fixedly connected with the shell (5) through the first fixing screw (2), and the first fixing screw (2) penetrates through the input connector (1) and is screwed with the threaded through hole of the shell (5).
3. A constant value intermodulation pass-through according to claim 1, characterized in that: the output connector (3) is fixedly connected with the shell (5) through the second fixing screw (4), and the second fixing screw (4) penetrates through the output connector (3) and is screwed with the threaded through hole of the shell (5).
4. A constant value intermodulation pass-through according to claim 1, characterized in that: the input intermodulation tuning screw (8) and the output intermodulation tuning screw (9) are both fixedly connected with the shell (5) through threads, and the input intermodulation tuning screw (8) and the output intermodulation tuning screw (9) are both cross-shaped cutter groove screws.
5. A constant value intermodulation pass-through according to claim 1, characterized in that: the input hole plugging screw (6) and the output hole plugging screw (7) are both fixedly connected with the shell (5) through threads, and the input hole plugging screw (6) and the output hole plugging screw (7) are both straight-line-shaped cutter groove screws.
6. A constant value intermodulation pass-through according to claim 1, characterized in that: inner chamber pipeline (13) shaping in shell (5), fixed sleeve (14) with input joint (1) and output connects (3) all through the draw-in groove connection, fixed sleeve (14) with inner chamber pipeline (13) are pegged graft.
7. A constant value intermodulation pass-through according to claim 1, characterized in that: the inner core (16) is clamped and pressed in the input connector (1) and the output connector (3), the connecting rod (15) and the solid sleeve penetrate through and are fixed, and the connecting rod (15) and the inner core (16) are fixedly connected through a connecting cap (17).
8. A constant value intermodulation pass-through according to claim 1, characterized in that: the transmission copper sheet (12) is connected with the connecting rod (15) in a matched mode through the input copper sheet fixing screw (10) and the output copper sheet fixing screw (11), and the input copper sheet fixing screw (10) and the output copper sheet fixing screw (11) are both in threaded connection with the connecting rod (15).
9. A constant value intermodulation pass-through according to claim 1, characterized in that: the transmission copper sheet (12) is in contact connection with both the input intermodulation tuning screw (8) and the output intermodulation tuning screw (9).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010637511.XA CN111901054A (en) | 2020-07-05 | 2020-07-05 | Constant value intermodulation direct connection |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010637511.XA CN111901054A (en) | 2020-07-05 | 2020-07-05 | Constant value intermodulation direct connection |
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| Publication Number | Publication Date |
|---|---|
| CN111901054A true CN111901054A (en) | 2020-11-06 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010637511.XA Pending CN111901054A (en) | 2020-07-05 | 2020-07-05 | Constant value intermodulation direct connection |
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| CN (1) | CN111901054A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2024026972A1 (en) * | 2022-08-01 | 2024-02-08 | 江苏亨鑫科技有限公司 | Diode structure-based intermodulation standard part |
| CN117692077A (en) * | 2024-02-01 | 2024-03-12 | 苏州诺泰信通讯有限公司 | Remote adjustable fixed value intermodulation through |
-
2020
- 2020-07-05 CN CN202010637511.XA patent/CN111901054A/en active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2024026972A1 (en) * | 2022-08-01 | 2024-02-08 | 江苏亨鑫科技有限公司 | Diode structure-based intermodulation standard part |
| CN117692077A (en) * | 2024-02-01 | 2024-03-12 | 苏州诺泰信通讯有限公司 | Remote adjustable fixed value intermodulation through |
| CN117692077B (en) * | 2024-02-01 | 2024-05-03 | 苏州诺泰信通讯有限公司 | Remote adjustable fixed value intermodulation straight-through device |
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