CN217741705U - System device for suppressing stray - Google Patents
System device for suppressing stray Download PDFInfo
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- CN217741705U CN217741705U CN202221264915.XU CN202221264915U CN217741705U CN 217741705 U CN217741705 U CN 217741705U CN 202221264915 U CN202221264915 U CN 202221264915U CN 217741705 U CN217741705 U CN 217741705U
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Abstract
The utility model relates to a be used for suppressing stray system's device, including transmitting system and receiving system, transmitting system includes first frequency multiplier, first power amplifier, second frequency multiplier, third frequency multiplier and fourth frequency multiplier, and receiving system includes fifth frequency multiplier, second power amplifier, sixth frequency multiplier, seventh frequency multiplier, mixer and low noise amplifier. When the utility model ensures the output power of the main signal, the stray signal inhibition degree near the main signal can be effectively improved; the power module in the utility model adopts the DCDC and LDO chips, thereby avoiding the stray signals carried by the power module in the selection; the utility model discloses optimize in the aspect of the inside wiring of system, mutual independence between the power supply wiring part has avoided the stray interference that the same voltage power supply caused.
Description
Technical Field
The utility model relates to a receiving and dispatching system correlation technique field especially relates to a system's device for restraining stray.
Background
The spurious interference is mainly determined by the sensitivity of the receiver. The output signal of the transmitter is usually a high-power signal, and a high spurious signal is generated outside the frequency band of the transmitted signal in the process of generating the high-power signal, which may result in a low input signal-to-noise ratio of the receiving system and a deteriorated communication quality.
The stray interference is caused by the fact that stray radiation outside a system frequency band falls into a receiving frequency band of another system, and directly influences the receiving sensitivity of the system; if the amplitude of the spur falling into a certain system receiving frequency band is high, the receiver system of the interfered system can not filter the spur signal.
Currently, spurs may be generated and limit the performance of the system due to other factors of the system. The spurs can be generally divided into input frequency dependent spurs and fixed frequency spurs. In some cases, the customer has a high requirement for spurious interference when using the module, and therefore, it is required to suppress spurious signals near the main signal as high as possible while ensuring the output power of the main signal.
In view of the above-mentioned drawbacks, the present inventors have conducted active research and innovation to create a system apparatus for suppressing spurious emissions, which is more industrially valuable.
SUMMERY OF THE UTILITY MODEL
To solve the above technical problem, it is an object of the present invention to provide a system for suppressing strays.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
a system device for suppressing stray comprises a transmitting system and a receiving system, wherein the transmitting system comprises a first frequency multiplier, a first power amplifier, a second frequency multiplier, a third frequency multiplier and a fourth frequency multiplier, the receiving system comprises a fifth frequency multiplier, a second power amplifier, a sixth frequency multiplier, a seventh frequency multiplier, a frequency mixer and a low-noise amplifier, the first frequency multiplier is connected with the first end of the frequency mixer sequentially through the first power amplifier, the second frequency multiplier, the third frequency multiplier and the fourth frequency multiplier, the fifth frequency multiplier is connected with the second end of the frequency mixer sequentially through the second power amplifier, the sixth frequency multiplier and the seventh frequency multiplier, and the third end of the frequency mixer is connected with the low-noise amplifier; the transmitting system also comprises a first power supply module and a second power supply module, wherein the first power supply module is electrically connected with the second frequency multiplier, and the second power supply module is electrically connected with the first frequency multiplier; the receiving system further comprises a third power module and a fourth power module, wherein the third power module is electrically connected with the fifth frequency multiplier and the second power amplifier respectively, and the fourth power module is electrically connected with the low noise amplifier.
As a further improvement of the present invention, the transmitting system further comprises a first power adapter, the first power adapter is respectively connected to the first power module, the first power amplifier and the second power module; the receiving system further comprises a second power adapter, and the second power adapter is respectively connected with the third power module and the fourth power module.
As a further improvement of the utility model, the sixth frequency multiplier and the seventh frequency multiplier are connected with an isolator.
As a further improvement of the utility model, the isolator is an isolator of 110-170 GHz.
As the utility model discloses a further improvement, first frequency multiplier is the quadruple frequency ware, and second frequency multiplier and third frequency multiplier are the frequency doubler, and the fourth frequency multiplier is the frequency tripler, and the fifth frequency multiplier is the quadruple frequency ware, and the sixth frequency multiplier is the frequency doubler, and the seventh frequency multiplier is the frequency tripler.
As a further improvement of the utility model, first frequency multiplier is 50-75GHz quadruple frequency ware, first power amplifier is 50-75GHz power amplifier, second frequency multiplier is 104-116GHz frequency doubler, third frequency multiplier is 210-234GHz frequency doubler, the fourth frequency multiplier is 500-750GHz tripler, the fifth frequency multiplier is 50-75GHz quadruple frequency ware, second power amplifier is 50-75GHz power amplifier, the sixth frequency multiplier is 10-170GHz frequency doubler, the seventh frequency multiplier is 260-400GHz tripler, the mixer is 500-750GHz subharmonic mixer.
As a further improvement, the voltage stabilizing chip of the first power module, the second power module, the third power module and the fourth power module is a DCDC or LDO chip.
As a further improvement of the present invention, the voltage stabilizing chips of the first power module, the second power module, the third power module and the fourth power module are XL4015E1, XL6019E1, LTC1764AEQ and LT8570, respectively.
As a further improvement of the utility model, the model number of the first power adapter and the second power adapter is KTPS50-1242DT-3P-VI.
Borrow by above-mentioned scheme, the utility model discloses at least, have following advantage:
when the utility model ensures the output power of the main signal, the stray signal inhibition degree near the main signal can be effectively improved;
the power module in the utility model adopts the DCDC and LDO chips, thereby avoiding the stray signals carried by the power module in the selection;
the utility model discloses optimize in the aspect of the inside wiring of system, mutual independence between the power supply wiring part has avoided the stray interference that the same voltage power supply caused.
The above description is only an overview of the technical solution of the present invention, and in order to make the technical means of the present invention clearer and can be implemented according to the content of the description, the following detailed description is made with reference to the preferred embodiments of the present invention and accompanying drawings.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention, and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.
Fig. 1 is a schematic diagram of a system for suppressing strays according to the present invention.
In the drawings, the meanings of the reference numerals are as follows.
1 first power adapter 2 first power module
3 first frequency multiplier 4 first power amplifier
5 second power supply module 6 second frequency multiplier
7 a third frequency multiplier and 8 a fourth frequency multiplier
9 second power adapter 10 third power module
11 fourth power supply module 12 fifth frequency multiplier
13 second power amplifier 14 fifth frequency multiplier
15 isolator 16 seventh frequency multiplier
17 mixer 18 low noise amplifier
Detailed Description
The following detailed description of the embodiments of the present invention is provided with reference to the accompanying drawings and examples. The following examples are intended to illustrate the invention, but are not intended to limit the scope of the invention.
In order to make the technical solutions of the present invention better understood, the attached drawings in the embodiments of the present invention are combined below to clearly and completely describe the technical solutions in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. The components of embodiments of the present invention, as generally described and illustrated in the figures herein, may be arranged and designed in a wide variety of different configurations. Thus, the following detailed description of the embodiments of the present invention, presented in the accompanying drawings, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. Based on the embodiment of the present invention, all other embodiments obtained by the person skilled in the art without creative work belong to the protection scope of the present invention.
Examples
As shown in figure 1 of the drawings, in which,
a system device for suppressing stray comprises a transmitting system and a receiving system, wherein the transmitting system comprises a first frequency multiplier 3, a first power amplifier 4, a second frequency multiplier 6, a third frequency multiplier 7 and a fourth frequency multiplier 8, the receiving system comprises a fifth frequency multiplier 12, a second power amplifier 13, a sixth frequency multiplier 14, a seventh frequency multiplier 16, a mixer 17 and a low-noise amplifier 18, the first frequency multiplier 3 is connected with a first end of the mixer 17 sequentially through the first power amplifier 4, the second frequency multiplier 6, the third frequency multiplier 7 and the fourth frequency multiplier 8, the fifth frequency multiplier 12 is connected with a second end of the mixer 17 sequentially through the second power amplifier 13, the sixth frequency multiplier 14 and the seventh frequency multiplier 16, and a third end of the mixer 17 is connected with the low-noise amplifier 18; the transmitting system further comprises a first power module 2 and a second power module 5, wherein the first power module 2 is electrically connected with a second frequency multiplier 6, and the second power module 5 is electrically connected with the first frequency multiplier 3; the receiving system further includes a third power module 10 and a fourth power module 11, wherein the third power module 10 is electrically connected to the fifth frequency multiplier 12 and the second power amplifier 13, respectively, and the fourth power module 11 is electrically connected to the low noise amplifier 18.
Preferably, the transmitting system further includes a first power adapter 1, and the first power adapter 1 is respectively connected to the first power module 2, the first power amplifier 4 and the second power module 5; the receiving system further comprises a second power adapter 9, the second power adapter 9 being connected to a third power module 10 and a fourth power module 11, respectively.
Preferably, an isolator 15 is further connected between the sixth frequency multiplier 14 and the seventh frequency multiplier 16.
Preferably, the isolator 15 is a 110-170GHz isolator.
Preferably, the first frequency multiplier 3 is a quadruple frequency multiplier, the second frequency multiplier 6 and the third frequency multiplier 7 are both frequency multipliers, the fourth frequency multiplier 8 is a triple frequency multiplier, the fifth frequency multiplier 12 is a quadruple frequency multiplier, the sixth frequency multiplier 14 is a frequency multiplier, and the seventh frequency multiplier 16 is a triple frequency multiplier.
Preferably, the first frequency multiplier 3 is a 50-75GHz quadrupler, the first power amplifier 4 is a 50-75GHz power amplifier, the second frequency multiplier 6 is a 104-116GHz frequency multiplier, the third frequency multiplier 7 is a 210-234GHz frequency multiplier, the fourth frequency multiplier 8 is a 500-750GHz frequency tripler, the fifth frequency multiplier 12 is a 50-75GHz quadrupler, the second power amplifier 13 is a 50-75GHz power amplifier, the sixth frequency multiplier 14 is a 10-170GHz frequency multiplier, the seventh frequency multiplier 16 is a 260-400GHz frequency multiplier, and the mixer 17 is a 500-750GHz subharmonic mixer.
Preferably, the voltage regulation chips of the first power module 2, the second power module 5, the third power module 10 and the fourth power module 11 are all DCDC or LDO chips.
Preferably, the voltage regulation chips of the first power module 2, the second power module 5, the third power module 10 and the fourth power module 11 are XL4015E1, XL6019E1, LTC1764AEQ and LT8570, respectively.
Preferably, the first power adapter 1 and the second power adapter 9 are of the type KTPS50-1242DT-3P-VI.
The utility model discloses a theory of operation brief:
in the transmitting system, a low-frequency signal f1 passes through a first frequency multiplier 3 (50-75 GHz quadruple frequency multiplier) to obtain 4 × f1, then passes through a first power amplifier 4 (50-75 GHz power amplifier) to obtain 4 × f1 with higher power, and then passes through two frequency multipliers (a second frequency multiplier 6 and a third frequency multiplier 7) to obtain 16 × f1, wherein the second frequency multiplier 6 is 104-116GHz frequency multiplier, and the third frequency multiplier 7 is 210-234GHz double frequency; finally, a fourth frequency multiplier 8 (500-750 GHz tripler) is used to obtain a 48 × f1.
The first power module 2 is connected with the second frequency multiplier 6 and provides +10V voltage; the second power supply module 5 is connected with the first frequency multiplier 3 and provides +5V voltage; the first power amplifier 4, the first power module 2 and the second power module 5 are respectively connected with +12V converted by the first power adapter 1, wherein the power supply wiring part is to be separated.
In the receiving system, the low frequency signal f2 is passed through a fifth frequency multiplier 12 (50-75 GHz quadrupler) to obtain 4 × f2, then through a second power amplifier 13 (50-75 GHz power amplifier) to obtain 4 × f2 with higher power, then through a sixth frequency multiplier 14 (10-170 GHz doubled) to obtain 8 × f2, then through an isolator 15 of 110-170GHz to obtain 8 × f2, and then through a seventh frequency multiplier 16 (260-400 GHz tripler) to obtain 24 × f2, which serves as the local oscillator input signal of a mixer 17 (500-750 GHz subharmonic mixer) in the receiver, and the signal emitted by the transmitting system serves as the radio frequency input signal of the mixer 17.
The third power module 10 is connected with the fifth frequency multiplier 12 to provide +5V voltage, and is also connected with the second power amplifier 13 to provide +16V voltage; the fourth power supply module 11 is connected with the low noise amplifier 18 and provides + 5V; the third power module 10 and the fourth power module 11 are connected to +12V converted by the second power adapter 9, wherein the power supply wiring part is to be separated.
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are used only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention. Furthermore, the terms "first", "second", etc. are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly referring to the number of technical features being indicated. Thus, a feature defined as "first," "second," etc. may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless otherwise specified.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted", "connected" and "connected" are to be interpreted broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected: either mechanically or electrically: the terms may be directly connected or indirectly connected through an intermediate medium, or may be a communication between two elements.
The above description is only a preferred embodiment of the present invention, and is not intended to limit the present invention, and it should be noted that, for those skilled in the art, a plurality of modifications and variations can be made without departing from the technical principle of the present invention, and these modifications and variations should also be regarded as the protection scope of the present invention.
Claims (9)
1. A system apparatus for suppressing spurs, comprising a transmitting system and a receiving system, the transmitting system comprising a first frequency multiplier (3), a first power amplifier (4), a second frequency multiplier (6), a third frequency multiplier (7) and a fourth frequency multiplier (8), the receiving system comprising a fifth frequency multiplier (12), a second power amplifier (13), a sixth frequency multiplier (14), a seventh frequency multiplier (16), a mixer (17) and a low noise amplifier (18), the first frequency multiplier (3) being connected to a first end of the mixer (17) through the first power amplifier (4), the second frequency multiplier (6), the third frequency multiplier (7) and the fourth frequency multiplier (8) in this order, the fifth frequency multiplier (12) being connected to a second end of the mixer (17) through the second power amplifier (13), the sixth frequency multiplier (14) and the seventh frequency multiplier (16) in this order, the third end of the mixer (17) being connected to the low noise amplifier (18); the transmitting system further comprises a first power supply module (2) and a second power supply module (5), wherein the first power supply module (2) is electrically connected with a second frequency multiplier (6), and the second power supply module (5) is electrically connected with the first frequency multiplier (3); the receiving system further comprises a third power supply module (10) and a fourth power supply module (11), wherein the third power supply module (10) is electrically connected with the fifth frequency multiplier (12) and the second power amplifier (13) respectively, and the fourth power supply module (11) is electrically connected with the low noise amplifier (18).
2. System arrangement for spurious suppression according to claim 1, characterized in that said transmission system further comprises a first power adapter (1), said first power adapter (1) being connected to a first power module (2), a first power amplifier (4) and a second power module (5), respectively; the receiving system further comprises a second power adapter (9), and the second power adapter (9) is respectively connected with a third power module (10) and a fourth power module (11).
3. System arrangement for spur suppression according to claim 1, characterised in that an isolator (15) is connected between the sixth frequency multiplier (14) and the seventh frequency multiplier (16).
4. A system arrangement for suppressing spurs according to claim 3 wherein the isolator (15) is a 110-170GHz isolator.
5. A system arrangement for spur suppression according to claim 1, wherein the first frequency multiplier (3) is a quadruple frequency multiplier, the second frequency multiplier (6) and the third frequency multiplier (7) are both frequency multipliers, the fourth frequency multiplier (8) is a triple frequency multiplier, the fifth frequency multiplier (12) is a quadruple frequency multiplier, the sixth frequency multiplier (14) is a frequency multiplier and the seventh frequency multiplier (16) is a triple frequency multiplier.
6. A system arrangement for suppressing spurs according to claim 1, wherein the first frequency multiplier (3) is a 50-75GHz quadrupler, the first power amplifier (4) is a 50-75GHz power amplifier, the second frequency multiplier (6) is a 104-116GHz frequency multiplier, the third frequency multiplier (7) is a 210-234GHz frequency multiplier, the fourth frequency multiplier (8) is a 500-750GHz frequency tripler, the fifth frequency multiplier (12) is a 50-75GHz quadrupler, the second power amplifier (13) is a 50-75GHz power amplifier, the sixth frequency multiplier (14) is a 110-170GHz frequency doubler, the seventh frequency multiplier (16) is a 260-400GHz frequency tripler, and the mixer (17) is a 500-750GHz subharmonic mixer.
7. System arrangement for spurious suppression according to claim 1, characterized in that the regulation chips of said first power module (2), second power module (5), third power module (10) and fourth power module (11) are all DCDC or LDO chips.
8. A system arrangement for suppressing spurs according to claim 7 wherein the voltage regulation chips of the first power module (2), second power module (5), third power module (10) and fourth power module (11) are XL4015E1, XL6019E1, LTC1764AEQ and LT8570 respectively.
9. System arrangement for stray mitigation according to claim 2, wherein said first power adapter (1) and said second power adapter (9) are of the type KTPS50-1242DT-3P-VI.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221264915.XU CN217741705U (en) | 2022-05-25 | 2022-05-25 | System device for suppressing stray |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221264915.XU CN217741705U (en) | 2022-05-25 | 2022-05-25 | System device for suppressing stray |
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| CN217741705U true CN217741705U (en) | 2022-11-04 |
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| CN202221264915.XU Active CN217741705U (en) | 2022-05-25 | 2022-05-25 | System device for suppressing stray |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117348687A (en) * | 2023-12-06 | 2024-01-05 | 爱科微半导体(上海)有限公司 | Clock power supply stray optimization system and calibration, calibration and optimization method thereof |
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- 2022-05-25 CN CN202221264915.XU patent/CN217741705U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117348687A (en) * | 2023-12-06 | 2024-01-05 | 爱科微半导体(上海)有限公司 | Clock power supply stray optimization system and calibration, calibration and optimization method thereof |
| CN117348687B (en) * | 2023-12-06 | 2024-03-01 | 爱科微半导体(上海)有限公司 | Clock power supply stray optimization system and calibration, calibration and optimization method thereof |
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