CN216959877U - Satellite signal interference identification control circuit and system - Google Patents
Satellite signal interference identification control circuit and system Download PDFInfo
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- CN216959877U CN216959877U CN202220607202.2U CN202220607202U CN216959877U CN 216959877 U CN216959877 U CN 216959877U CN 202220607202 U CN202220607202 U CN 202220607202U CN 216959877 U CN216959877 U CN 216959877U
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- 230000008878 coupling Effects 0.000 claims abstract description 22
- 238000010168 coupling process Methods 0.000 claims abstract description 22
- 238000005859 coupling reaction Methods 0.000 claims abstract description 22
- 230000003321 amplification Effects 0.000 claims abstract description 19
- 238000003199 nucleic acid amplification method Methods 0.000 claims abstract description 19
- 239000003990 capacitor Substances 0.000 claims description 61
- 238000004891 communication Methods 0.000 description 4
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000007850 degeneration Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000010295 mobile communication Methods 0.000 description 1
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02D—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
- Y02D30/00—Reducing energy consumption in communication networks
- Y02D30/70—Reducing energy consumption in communication networks in wireless communication networks
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Abstract
The utility model discloses a satellite signal interference identification control circuit and a system, which comprises an antenna, a frequency selection circuit module, a first voltage division circuit module, a negative feedback circuit module, a filter circuit module, a coupling circuit module, a second voltage division circuit module, a signal amplification module and a power circuit module, the frequency selection circuit module is electrically connected with the antenna, the first voltage division circuit module is electrically connected with the power supply circuit module and the frequency selection circuit module, the negative feedback circuit module is electrically connected with the frequency selection circuit module, the filter circuit module is electrically connected with the negative feedback circuit module, the coupling circuit module is electrically connected with the filter circuit module, the second voltage division circuit module is electrically connected with the signal amplification module and the power supply circuit module, and the signal amplification module is electrically connected with the coupling circuit module. The utility model has the advantage of good frequency selection capability.
Description
Technical Field
The utility model relates to the technical field of satellite communication, in particular to a satellite signal interference identification control circuit and a satellite signal interference identification control system.
Background
As communication technology develops, users have increasingly high communication demands on electronic systems. A fifth generation mobile communication network (5G) electronic system has a very high data transmission rate and a very low time delay, and thus can meet the needs of various application scenarios, and is receiving wide attention of users. The signal amplification control circuit is widely applied to navigation satellite communication systems and other radio systems, particularly at a receiving end of a receiver, a signal sensed from an antenna is very weak, so that the signal needs to be filtered and amplified, and in addition, the signal is subjected to more interference signals, so that a required frequency signal needs to be selected, and therefore, the satellite signal interference identification control circuit is generated. However, the existing satellite signal interference identification control circuit has poor frequency selection capability and a complex circuit structure.
SUMMERY OF THE UTILITY MODEL
The utility model solves the technical problem of providing a satellite signal interference identification control circuit and a satellite signal interference identification control system which have good frequency selection capability and simple circuit structure.
In a first aspect, the present invention provides a satellite signal interference identification control circuit, which comprises an antenna, a frequency selection circuit module, a first voltage division circuit module, a negative feedback circuit module, a filter circuit module, a coupling circuit module, a second voltage division circuit module, a signal amplification module, and a power circuit module, the frequency selection circuit module is electrically connected with the antenna, the first voltage division circuit module is electrically connected with the power supply circuit module and the frequency selection circuit module, the negative feedback circuit module is electrically connected with the frequency selection circuit module, the filter circuit module is electrically connected with the negative feedback circuit module, the coupling circuit module is electrically connected with the filter circuit module, the second voltage division circuit module is electrically connected with the signal amplification module and the power circuit module, and the signal amplification module is electrically connected with the coupling circuit module.
In one embodiment, the frequency selection circuit module includes a first inductor, a second inductor, and a first capacitor, the first inductor and the second inductor are coupled to each other, a first end of the first inductor is electrically connected to the antenna, a second end of the first inductor is electrically connected to a first end of the first capacitor, a third end of the first inductor is electrically connected to a second end of the first capacitor, a first end of the second inductor is electrically connected to the negative feedback circuit module, and a second end of the second inductor is electrically connected to the first voltage divider circuit module.
In one embodiment, the first voltage dividing circuit module comprises a first resistor and a second resistor, a first end of the first resistor is electrically connected with the power circuit module, and a second end of the first resistor is electrically connected with a first end of the second resistor; the first end of the second resistor is electrically connected with the second end of the second inductor, and the second end of the second resistor is grounded.
In one embodiment, the first voltage-dividing circuit module further includes a second capacitor, a first end of the second capacitor is electrically connected to the second end of the second inductor, and a second end of the second capacitor is grounded.
In one embodiment, the negative feedback circuit module includes a first transistor, a third resistor, a fourth resistor, and a third capacitor, a base of the first transistor is electrically connected to the first end of the second inductor, a collector of the first transistor is electrically connected to the filter circuit module, and an emitter of the first transistor is electrically connected to the first end of the third resistor; the first end of the fourth resistor is electrically connected with the second end of the third resistor, and the second end of the fourth resistor is grounded; and the first end of the third capacitor is electrically connected with the second end of the third resistor, and the second end of the third capacitor is grounded.
In one embodiment, the filter circuit module includes a third inductor, a fourth capacitor, and a fifth resistor, a first end of the third inductor is electrically connected to the power circuit module, and a second end of the third inductor is electrically connected to a collector of the first transistor; the fourth inductor and the third inductor are coupled with each other, a first end of the fourth inductor is electrically connected with the coupling circuit module, and a second end of the fourth inductor is grounded; a first end of the fourth capacitor is electrically connected with the power circuit module, and a second end of the fourth capacitor is electrically connected with a collector electrode of the first triode; the first end of the fifth resistor is electrically connected with the power circuit module, and the second end of the fifth resistor is electrically connected with the collector of the first triode.
In one embodiment, the coupling circuit module includes a fifth capacitor, a first end of the fifth capacitor is electrically connected to the filter circuit module, and a second end of the fifth capacitor is electrically connected to the second voltage division circuit module and the signal amplification module.
In one embodiment, the second voltage division circuit module comprises a sixth resistor and a seventh resistor, a first end of the sixth resistor is electrically connected with the power circuit module, and a second end of the sixth resistor is electrically connected with a first end of the seventh resistor; and the first end of the seventh resistor is electrically connected with the second end of the fifth capacitor, and the second end of the seventh resistor is grounded.
In one embodiment, the signal amplifying module includes a second transistor and an eighth resistor, a base of the second transistor is electrically connected to the second terminal of the fifth capacitor, a collector of the second transistor is electrically connected to the power circuit module, an emitter of the second transistor is electrically connected to the first terminal of the eighth resistor, and the second terminal of the eighth resistor is grounded.
In a second aspect, the present invention further discloses a system, which includes the satellite signal interference identification control circuit of any one of the above first aspects.
The utility model has the following beneficial effects: the utility model selects the required frequency signal through the frequency selection circuit module during working through the cooperation of the antenna, the frequency selection circuit module, the first voltage division circuit module, the negative feedback circuit module, the filter circuit module, the coupling circuit module, the second voltage division circuit module and the signal amplification module, and eliminates self-excited oscillation and reduces the interference of the external temperature through the negative feedback circuit module. In addition, the noise can be further filtered by the filtering circuit module and the coupling circuit module. Therefore, the utility model has the advantages of good frequency selection capability, good anti-interference capability and simple circuit structure.
Drawings
Fig. 1 is a circuit diagram of a satellite signal interference identification control circuit according to the present invention.
Detailed Description
The present invention will be described in detail below with reference to the accompanying drawings and examples. It should be noted that, if not conflicting, the embodiments of the present invention and the features of the embodiments may be combined with each other within the scope of protection of the present invention.
Referring to fig. 1, the present invention provides a satellite signal interference identification control circuit, which includes an antenna 1, a frequency selection circuit module 2, a first voltage division circuit module 3, a negative feedback circuit module 4, a filter circuit module 5, a coupling circuit module 6, a second voltage division circuit module 7, a signal amplification module 8, and a power circuit module 9, wherein the frequency selection circuit module 2 is electrically connected to the antenna 1. The first voltage division circuit module 3 is electrically connected with the power circuit module 9 and the frequency selection circuit module 2, and the negative feedback circuit module 4 is electrically connected with the frequency selection circuit module 2. The filter circuit module 5 is electrically connected with the negative feedback circuit module 4, and the coupling circuit module 6 is electrically connected with the filter circuit module 5. The second voltage division circuit module 7 is electrically connected to the signal amplification module 8 and the power supply circuit module 9, and the signal amplification module 8 is electrically connected to the coupling circuit module 6.
The frequency selection circuit module 2 includes a first inductor L1, a second inductor L2, and a first capacitor C1, the first inductor L1 and the second inductor L2 are coupled to each other, a first end of the first inductor L1 is electrically connected to the antenna 1, a second end of the first inductor L1 is electrically connected to a first end of the first capacitor C1, and a third end of the first inductor L1 is electrically connected to a second end of the first capacitor C1. A first terminal of the second inductor L2 is electrically connected to the degeneration circuit module 4, and a second terminal of the second inductor L2 is electrically connected to the first voltage divider circuit module 3. In this embodiment, the first capacitor C1 is a variable capacitor, so that the capacitance thereof can be adjusted according to the requirement, and thus can be adjusted quickly to select the desired frequency.
The first voltage-dividing circuit module 3 includes a first resistor R1 and a second resistor R2, a first end of the first resistor R1 is electrically connected to the power circuit module 9, and a second end of the first resistor R1 is electrically connected to a first end of the second resistor R2. The first end of the second resistor R2 is electrically connected with the second end of the second inductor L2, and the second end of the second resistor R2 is grounded.
Preferably, in this embodiment, the first voltage dividing circuit module 3 further includes a second capacitor C2, a first end of the second capacitor C2 is electrically connected to the second end of the second inductor L2, and a second end of the second capacitor C2 is grounded. The second capacitor C2 is a bypass capacitor, so that an ac path can be provided well, and interference can be reduced.
The negative feedback circuit module 4 includes a first triode Q1, a third resistor R3, a fourth resistor R4 and a third capacitor C3, a base of the first triode Q1 is electrically connected to a first end of the second inductor L2, a collector of the first triode Q1 is electrically connected to the filter circuit module 5, and an emitter of the first triode Q1 is electrically connected to a first end of the third resistor R3. The first end of the fourth resistor R4 is electrically connected with the second end of the third resistor R3, and the second end of the fourth resistor R4 is grounded. The first end of the third capacitor C3 is electrically connected with the second end of the third resistor R3, and the second end of the third capacitor C3 is grounded. Self-oscillation is eliminated and the interference of external temperature is reduced through the negative feedback circuit module 4.
The filter circuit module 5 includes a third inductor L3, a fourth inductor L4, a fourth capacitor C4, and a fifth resistor R5, a first end of the third inductor L3 is electrically connected to the power circuit module 9, and a second end of the third inductor L3 is electrically connected to a collector of the first transistor Q1. The fourth inductor L4 and the third inductor L3 are coupled to each other, a first end of the fourth inductor L4 is electrically connected to the coupling circuit module 6, and a second end of the fourth inductor L4 is grounded. A first terminal of the fourth capacitor C4 is electrically connected to the power circuit module 9, and a second terminal of the fourth capacitor C4 is electrically connected to a collector of the first transistor Q1. A first end of the fifth resistor R5 is electrically connected to the power circuit module 9, and a second end of the fifth resistor R5 is electrically connected to a collector of the first transistor Q1.
The coupling circuit module 6 includes a fifth capacitor C5, a first end of the fifth capacitor C5 is electrically connected to the filter circuit module 5, and a second end of the fifth capacitor C5 is electrically connected to the second voltage dividing circuit module 7 and the signal amplifying module 8. The second voltage-dividing circuit block 7 includes a sixth resistor R6 and a seventh resistor R7, a first end of the sixth resistor R6 is electrically connected to the power circuit block 9, and a second end of the sixth resistor R6 is electrically connected to a first end of the seventh resistor R7. The first end of the seventh resistor R7 is electrically connected with the second end of the fifth capacitor C5, and the second end of the seventh resistor R7 is grounded.
The signal amplification module 8 includes a second triode Q2 and an eighth resistor R8, a base of the second triode Q2 is electrically connected to the second end of the fifth capacitor C5, a collector of the second triode Q2 is electrically connected to the power circuit module 9, an emitter of the second triode Q2 is electrically connected to the first end of the eighth resistor R8, and the second end of the eighth resistor R8 is grounded.
The power circuit module 9 includes a battery Vcc, a fifth inductor L5, a sixth capacitor C6, and a seventh capacitor C7, wherein a positive electrode of the battery Vcc is electrically connected to the first end of the fifth inductor L5, and a negative electrode of the battery Vcc is grounded. The second end of the fifth inductor L5 is electrically connected to the second end of the third inductor, the first end of the sixth capacitor C6 is electrically connected to the first end of the fifth inductor L5, and the second end of the sixth capacitor C6 is grounded. The first end of the seventh capacitor C7 is electrically connected to the second end of the fifth inductor L5, and the second end of the seventh capacitor C7 is grounded.
The utility model also discloses a system which comprises the satellite signal interference identification control circuit. The satellite signal interference recognition control circuit of the system has the same structure as the satellite signal interference recognition control circuit of the above-described embodiment, and therefore, the same technical effects are also provided. It is to be understood that the system may be a satellite navigator system or the like, and is not particularly limited herein.
In summary, in the present invention, through the cooperation of the antenna 1, the frequency selection circuit module 2, the first voltage division circuit module 3, the negative feedback circuit module 4, the filter circuit module 5, the coupling circuit module 6, the second voltage division circuit module 7, and the signal amplification module 8, when the present invention works, the frequency selection circuit module 2 selects a desired frequency signal, and the negative feedback circuit module 4 eliminates self-oscillation and reduces interference of external temperature. In addition, the noise can be further filtered out by the filter circuit module 5 and the coupling circuit module 6. Therefore, the utility model has the advantages of good frequency selection capability, good anti-interference capability and simple circuit structure.
The satellite signal interference identification control circuit provided by the utility model is described in detail above, a specific example is applied in the text to explain the principle and the implementation of the utility model, and the description of the above example is only used to help understanding the method and the core idea of the utility model; meanwhile, for a person skilled in the art, according to the idea of the present invention, the specific embodiments and the application range may be changed. In summary, the present disclosure is only an embodiment of the present disclosure, and not intended to limit the scope of the present disclosure, and all equivalent structures or equivalent flow transformations made by using the present disclosure and the accompanying drawings, or directly or indirectly applied to other related technical fields, are included in the scope of the present disclosure, and should not be construed as limiting the present disclosure.
Claims (10)
1. A satellite signal interference identification control circuit is characterized by comprising an antenna, a frequency selection circuit module, a first voltage division circuit module, a negative feedback circuit module, a filter circuit module, a coupling circuit module, a second voltage division circuit module, a signal amplification module and a power circuit module, the frequency selection circuit module is electrically connected with the antenna, the first voltage division circuit module is electrically connected with the power supply circuit module and the frequency selection circuit module, the negative feedback circuit module is electrically connected with the frequency selection circuit module, the filter circuit module is electrically connected with the negative feedback circuit module, the coupling circuit module is electrically connected with the filter circuit module, the second voltage division circuit module is electrically connected with the signal amplification module and the power circuit module, and the signal amplification module is electrically connected with the coupling circuit module.
2. The satellite signal interference recognition control circuit of claim 1, wherein the frequency selection circuit module comprises a first inductor, a second inductor, and a first capacitor, the first inductor and the second inductor are coupled to each other, a first end of the first inductor is electrically connected to the antenna, a second end of the first inductor is electrically connected to a first end of the first capacitor, a third end of the first inductor is electrically connected to a second end of the first capacitor, a first end of the second inductor is electrically connected to the negative feedback circuit module, and a second end of the second inductor is electrically connected to the first voltage divider circuit module.
3. The satellite signal interference recognition control circuit of claim 2 wherein the first voltage divider circuit module comprises a first resistor and a second resistor, a first end of the first resistor being electrically connected to the power circuit module, a second end of the first resistor being electrically connected to a first end of the second resistor; the first end of the second resistor is electrically connected with the second end of the second inductor, and the second end of the second resistor is grounded.
4. The satellite signal interference recognition control circuit of claim 3 wherein said first voltage divider circuit module further comprises a second capacitor, a first terminal of said second capacitor being electrically connected to a second terminal of said second inductor, a second terminal of said second capacitor being connected to ground.
5. The satellite signal interference recognition control circuit of claim 3 wherein the negative feedback circuit module comprises a first transistor, a third resistor, a fourth resistor and a third capacitor, wherein a base of the first transistor is electrically connected to the first terminal of the second inductor, a collector of the first transistor is electrically connected to the filter circuit module, and an emitter of the first transistor is electrically connected to the first terminal of the third resistor; the first end of the fourth resistor is electrically connected with the second end of the third resistor, and the second end of the fourth resistor is grounded; and the first end of the third capacitor is electrically connected with the second end of the third resistor, and the second end of the third capacitor is grounded.
6. The satellite signal interference recognition control circuit of claim 5 wherein the filter circuit module includes a third inductor, a fourth capacitor and a fifth resistor, a first terminal of the third inductor is electrically connected to the power circuit module, and a second terminal of the third inductor is electrically connected to the collector of the first transistor; the fourth inductor and the third inductor are coupled with each other, a first end of the fourth inductor is electrically connected with the coupling circuit module, and a second end of the fourth inductor is grounded; a first end of the fourth capacitor is electrically connected with the power circuit module, and a second end of the fourth capacitor is electrically connected with a collector electrode of the first triode; the first end of the fifth resistor is electrically connected with the power circuit module, and the second end of the fifth resistor is electrically connected with the collector of the first triode.
7. The satellite signal interference recognition control circuit of claim 1 wherein the coupling circuit module includes a fifth capacitor, a first end of the fifth capacitor is electrically connected to the filter circuit module, and a second end of the fifth capacitor is electrically connected to the second voltage divider circuit module and the signal amplification module.
8. The satellite signal interference recognition control circuit of claim 7 wherein the second voltage divider circuit module includes a sixth resistor and a seventh resistor, a first end of the sixth resistor being electrically connected to the power circuit module, a second end of the sixth resistor being electrically connected to a first end of the seventh resistor; and the first end of the seventh resistor is electrically connected with the second end of the fifth capacitor, and the second end of the seventh resistor is grounded.
9. The satellite signal interference recognition control circuit of claim 7 wherein the signal amplification module comprises a second transistor and an eighth resistor, a base of the second transistor is electrically connected to the second terminal of the fifth capacitor, a collector of the second transistor is electrically connected to the power circuit module, an emitter of the second transistor is electrically connected to a first terminal of the eighth resistor, and a second terminal of the eighth resistor is grounded.
10. A system comprising a satellite signal interference identification control circuit according to any one of claims 1 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220607202.2U CN216959877U (en) | 2022-03-18 | 2022-03-18 | Satellite signal interference identification control circuit and system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220607202.2U CN216959877U (en) | 2022-03-18 | 2022-03-18 | Satellite signal interference identification control circuit and system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216959877U true CN216959877U (en) | 2022-07-12 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220607202.2U Expired - Fee Related CN216959877U (en) | 2022-03-18 | 2022-03-18 | Satellite signal interference identification control circuit and system |
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| Country | Link |
|---|---|
| CN (1) | CN216959877U (en) |
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2022
- 2022-03-18 CN CN202220607202.2U patent/CN216959877U/en not_active Expired - Fee Related
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Granted publication date: 20220712 |