CN204615815U - A kind of radio communication anti-jamming circuit - Google Patents
A kind of radio communication anti-jamming circuit Download PDFInfo
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- CN204615815U CN204615815U CN201520149232.3U CN201520149232U CN204615815U CN 204615815 U CN204615815 U CN 204615815U CN 201520149232 U CN201520149232 U CN 201520149232U CN 204615815 U CN204615815 U CN 204615815U
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Abstract
The utility model belongs to wireless communication technology field, particularly relate to a kind of radio communication anti-jamming circuit, comprise main control module, clock module, immunity module, described main control module comprises chip U1, resistance R1, resistance R2, described clock module comprises crystal oscillator Y1, resistance R4, resistance R5, electric capacity C4, and described immunity module comprises mutual induction filter L1, mutual induction filter L2, electric capacity C1, electric capacity C2.The radio communication anti-jamming circuit of this patent is when processing high-frequency signal, noise signal is by two mutual induction filter in immunity module, offset by producing direction opposing magnetic flow in the magnetic core of mutual induction filter, two high-frequency filter capacitor C1 and C2 are used for filtering interfering, and then improve radio communication anti-jamming circuit antijamming capability, ensure that MAX1470 chip normally works.
Description
Technical field
The utility model belongs to wireless communication technology field, particularly relates to a kind of radio communication anti-jamming circuit.
Background technology
At present in the field of wireless communication, the technology utilizing special radio reception process chip to carry out radio signal process achieves significant progress, and all obtains in the every field of national economy and apply widely.
Under radio communication anti-jamming circuit is operated in hyperfrequency situation, in the moment that MAX1470 chip has just powered on, signal unique in circuit is noise, and the frequency noise component meeting oscillation phase condition transmits in the loop with the amplitude increased, the speed wherein increased is increased by additional components (i.e. small-signal), loop benefit and the bandwidth of crystal network determines.But existing radio communication anti-jamming circuit is when processing high-frequency signal, and easily the disturbed MAX1470 of causing chip cannot normally work.
Summary of the invention
The utility model provides a kind of radio communication anti-jamming circuit, and to solve in above-mentioned background technology, existing radio communication circuit is when processing high-frequency signal, and easily the disturbed MAX1470 of causing chip cannot carry out the problems such as normal work.
The technical problem that the utility model solves realizes by the following technical solutions: the utility model provides a kind of radio communication anti-jamming circuit, it is characterized in that: comprise main control module, clock module, immunity module, described main control module comprises chip U1, resistance R1, resistance R2, described chip U1 selects MAX1470 chip, its pin 10 ground connection, one end of its pin 19 connecting resistance R2, one end of its pin 20 connecting resistance R1, the other end of its pin 16 connecting resistance R1, the other end of resistance R2 and all ground connection, described clock module comprises crystal oscillator Y1, resistance R4, resistance R5, one end of the one terminating resistor R4 of electric capacity C4, described crystal oscillator Y1, one end of electric capacity C4, one end of its other end connecting resistance R5, the other end of electric capacity C4, described immunity module comprises mutual induction filter L1, mutual induction filter L2, electric capacity C1, the pin 8 of the one chip termination U1 of electric capacity C2, described mutual induction filter L2, the pin 9 of a chip termination U1 of described mutual induction filter L1, the other end of mutual induction filter L2, one end of electric capacity C1, the pin 11 of another chip termination U1 of electric capacity C1, the other end of mutual induction filter L1, one end of electric capacity C2, the other end ground connection of described electric capacity C2.
Described electric capacity C1 is high-frequency filter capacitor.
Described electric capacity C2 is high-frequency filter capacitor.
The beneficial effects of the utility model are:
The radio communication anti-jamming circuit of 1 this patent is when processing high-frequency signal, noise signal is by two mutual induction filter in immunity module, offset by producing direction opposing magnetic flow in the magnetic core of mutual induction filter, two high-frequency filter capacitor C1 and C2 are used for filtering interfering, and then improve radio communication anti-jamming circuit antijamming capability, ensure that MAX1470 chip normally works.
In the clock module of 2 this patents, according to 0 Ohmic resistance under high-frequency signal, the effect of electric capacity can be served as, adopt the resistance of two 0 ohm to replace electric capacity, connect the both sides of crystal oscillator respectively, realize the starting of oscillation of crystal oscillator, such benefit is that resistance volumetric capacitance volume is little, and then reduces the overall volume of circuit pcb board, simplifies circuit, be easy to integrated, cost-saving.
3 this patent structures are simple, and each components and parts are less, manufacture this locality, low in energy consumption, disguised high, easy for installation, take that PCB surface is long-pending and little simultaneously, its antijamming capability by force, good stability, applied range.
Accompanying drawing explanation
Fig. 1 is circuit theory diagrams of the present utility model.
Embodiment
Below in conjunction with accompanying drawing, the utility model is described further:
Embodiment:
The present embodiment comprises: main control module, clock module, immunity module, main control module comprises chip U1, resistance R1, resistance R2, chip U1 selects MAX1470 chip, its pin 10 ground connection, one end of its pin 19 connecting resistance R2, one end of its pin 20 connecting resistance R1, the other end of its pin 16 connecting resistance R1, the other end of resistance R2 and all ground connection.
Clock module comprises crystal oscillator Y1, resistance R4, resistance R5, electric capacity C4, one end of a terminating resistor R4 of crystal oscillator Y1, one end of electric capacity C4, one end of its other end connecting resistance R5, the other end of electric capacity C4.
Immunity module comprises mutual induction filter L1, mutual induction filter L2, electric capacity C1, electric capacity C2, the pin 8 of the one chip termination U1 of mutual induction filter L2, the pin 9 of the one chip termination U1 of mutual induction filter L1, the other end of mutual induction filter L2, one end of electric capacity C1, the pin 11 of another chip termination U1 of electric capacity C1, the other end of mutual induction filter L1, one end of electric capacity C2, the other end ground connection of electric capacity C2.
Electric capacity C1 is high-frequency filter capacitor.
Electric capacity C2 is high-frequency filter capacitor.
The radio communication anti-jamming circuit of this patent is when processing high-frequency signal, noise signal is by two mutual induction filter in immunity module, offset by producing direction opposing magnetic flow in the magnetic core of mutual induction filter, two high-frequency filter capacitor C1 and C2 are used for filtering interfering, and then improve radio communication anti-jamming circuit antijamming capability, ensure that MAX1470 chip normally works.
Utilize technical scheme described in the utility model, or those skilled in the art being under the inspiration of technical solutions of the utility model, designing similar technical scheme, and reach above-mentioned technique effect, is all fall into protection range of the present utility model.
Claims (3)
1. a radio communication anti-jamming circuit, is characterized in that: comprise main control module, clock module, immunity module, described main control module comprises chip U1, resistance R1, resistance R2, described chip U1 selects MAX1470 chip, its pin 10 ground connection, one end of its pin 19 connecting resistance R2, one end of its pin 20 connecting resistance R1, the other end of its pin 16 connecting resistance R1, the other end of resistance R2 and all ground connection, described clock module comprises crystal oscillator Y1, resistance R4, resistance R5, one end of the one terminating resistor R4 of electric capacity C4, described crystal oscillator Y1, one end of electric capacity C4, one end of its other end connecting resistance R5, the other end of electric capacity C4, described immunity module comprises mutual induction filter L1, mutual induction filter L2, electric capacity C1, the pin 8 of the one chip termination U1 of electric capacity C2, described mutual induction filter L2, the pin 9 of a chip termination U1 of described mutual induction filter L1, the other end of mutual induction filter L2, one end of electric capacity C1, the pin 11 of another chip termination U1 of electric capacity C1, the other end of mutual induction filter L1, one end of electric capacity C2, the other end ground connection of described electric capacity C2.
2. a kind of radio communication anti-jamming circuit according to claim 1, is characterized in that: described electric capacity C1 is high-frequency filter capacitor.
3. a kind of radio communication anti-jamming circuit according to claim 1, is characterized in that: described electric capacity C2 is high-frequency filter capacitor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520149232.3U CN204615815U (en) | 2015-03-17 | 2015-03-17 | A kind of radio communication anti-jamming circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520149232.3U CN204615815U (en) | 2015-03-17 | 2015-03-17 | A kind of radio communication anti-jamming circuit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204615815U true CN204615815U (en) | 2015-09-02 |
Family
ID=53968336
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520149232.3U Expired - Fee Related CN204615815U (en) | 2015-03-17 | 2015-03-17 | A kind of radio communication anti-jamming circuit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204615815U (en) |
-
2015
- 2015-03-17 CN CN201520149232.3U patent/CN204615815U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150902 Termination date: 20170317 |