CN104617888A - Radio signal reception amplifier for aeronautical communication - Google Patents
Radio signal reception amplifier for aeronautical communication Download PDFInfo
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- CN104617888A CN104617888A CN201310541755.8A CN201310541755A CN104617888A CN 104617888 A CN104617888 A CN 104617888A CN 201310541755 A CN201310541755 A CN 201310541755A CN 104617888 A CN104617888 A CN 104617888A
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Abstract
The present invention discloses a radio signal reception amplifier for aeronautical communication, which comprises a first resistor, a second resistor, a third resistor, a fourth resistor, a fifth resistor, a sixth resistor, a seventh resistor, an eighth resistor, a first capacitor, a second capacitor, a third capacitor, a fourth capacitor, a fifth capacitor, a sixth capacitor, a seventh capacitor, a first power source, a second power source, a third power source, a fourth power source, a coil, a first amplifier and a second amplifier. The present invention provides the radio signal reception amplifier for aeronautical communication, the two-stage amplification can be performed for a received radio signal, the voltage amplitude attenuation of a signal induced by the coil, due to the increase of the distance, is canceled, the distortion degree is relatively small, little noise occurs during operation, the structure is simple, and the production cost is relatively low, thereby achieving a high popularization value.
Description
Technical field
The present invention relates to a kind of signal receiving amplifier, particularly relate to a kind of radio signal reception amplifier for air communications.
Background technology
Aircraft communication adopts radio system, radio refers to the electromagnetic wave propagated at free space (comprising air and vacuum), radiotechnics is the technology by radio wave propagated signal, the principle of radiotechnics is, in conductor, the change of electric current power can produce radio wave, utilize this phenomenon, can information be loaded on radio wave by modulation, when electric wave arrives receiving end by spatial, the change of electromagnetic field that electric wave causes again can generation current in the conductor, by demodulation, information is extracted from curent change, just reach the object that information is transmitted, the radio signal reception amplifier architecture for air communications is now complicated, cost is higher, and signal has certain loss in transmitting procedure, larger working strength is brought to staff.
Summary of the invention
Object of the present invention is just to provide a kind of radio signal reception amplifier for air communications to solve the problem.
The present invention is achieved through the following technical solutions above-mentioned purpose:
The present invention includes the first resistance, second resistance, 3rd resistance, 4th resistance, 5th resistance, 6th resistance, 7th resistance, 8th resistance, first electric capacity, second electric capacity, 3rd electric capacity, 4th electric capacity, 5th electric capacity, 6th electric capacity, 7th electric capacity, first power supply, second source, 3rd power supply, 4th power supply, coil, first amplifier and the second amplifier, the first end of described first resistance is connected with the positive pole of described first power supply, the second end of described first resistance simultaneously with the first end of described first electric capacity, the first end of described second electric capacity, the first end of described second resistance, the first end of described 3rd electric capacity is connected with the first end of described coil, second end of described first electric capacity is connected with the second end of described second electric capacity and the second end of described second resistance and ground connection simultaneously, second end of described 3rd electric capacity is connected with the second end of described coil and the in-phase input end of described first amplifier simultaneously, the cathode power supply end of described first amplifier is connected with the positive pole of described second source, the negative power supply end ground connection of described first amplifier, the inverting input of described first amplifier is connected with the first end of described 3rd resistance, the second end of described 3rd resistance simultaneously with the first end of described 4th electric capacity, the first end of described 4th resistance is connected with the first end of described 5th electric capacity, second end of described 4th electric capacity is connected with the second end of described 5th electric capacity and ground connection, the output of described first amplifier is connected with the second end of described 4th resistance and the first end of described 8th electric capacity simultaneously, second end of described 8th electric capacity is connected with the first end of described 6th resistance, second end of described 6th resistance is connected with the first end of described 7th resistance and the inverting input of described second amplifier simultaneously, the cathode power supply end of described second amplifier is connected with the positive pole of described 3rd power supply, the negative power supply end ground connection of described second amplifier, the in-phase input end of described second amplifier simultaneously with the first end of described 5th resistance, the first end of described 8th resistance, the first end of described 7th electric capacity is connected with the first end of described 6th electric capacity, second end of described 5th resistance is connected with the second end of described 7th electric capacity and the second end of described 6th electric capacity and ground connection simultaneously, second end of described 8th resistance is connected with the positive pole of described 4th power supply, and the output of described second amplifier is connected with the second end of described 7th resistance and signal output part simultaneously.
Particularly, described 3rd electric capacity is variable capacitance, and described first power supply, described second source, described 3rd power supply and described 4th power supply are DC power supply.
Beneficial effect of the present invention is:
The present invention is a kind of radio signal reception amplifier for air communications, the radio signal received can be carried out two-stage amplification, can the decay that produces because of the increase of distance of the signal voltage amplitude that senses of bucking coil, the distortion factor is less, almost noise is not had in the course of work, and structure is simple, cost of manufacture is lower, has the value of higher penetration and promotion.
Accompanying drawing explanation
Fig. 1 is circuit theory diagrams of the present invention.
Embodiment
Below in conjunction with accompanying drawing, the invention will be further described:
As shown in Figure 1, the present invention includes the first resistance R1, second resistance R2, 3rd resistance R3, 4th resistance R4, 5th resistance R5, 6th resistance R6, 7th resistance R7, 8th resistance R8, first electric capacity C1, second electric capacity C2, 3rd electric capacity C3, 4th electric capacity C4, 5th electric capacity C5, 6th electric capacity C6, 7th electric capacity C7, first power supply DC1, second source DC2, 3rd power supply DC3, 4th power supply DC4, coil L, first amplifier IC1 and the second amplifier IC2, the 3rd electric capacity C3 is variable capacitance, the first power supply DC1, second source DC2, 3rd power supply DC3 and the 4th power supply DC4 is DC power supply, and the first end of the first resistance R1 is connected with the positive pole of the first power supply DC1, second end of the first resistance R1 simultaneously with the first end of the first electric capacity C1, the first end of the second electric capacity C2, the first end of the second resistance R2, the first end of the 3rd electric capacity C3 is connected with the first end of coil L, second end of the first electric capacity C1 is connected with second end of the second electric capacity C2 and second end of the second resistance R2 and ground connection simultaneously, second end of the 3rd electric capacity C3 is connected with second end of coil L and the in-phase input end of the first amplifier IC1 simultaneously, the cathode power supply end of the first amplifier IC1 is connected with the positive pole of second source DC2, the negative power supply end ground connection of the first amplifier IC1, the inverting input of the first amplifier IC1 is connected with the first end of the 3rd resistance R3, second end of the 3rd resistance R3 simultaneously with the first end of the 4th electric capacity C4, the first end of the 4th resistance R4 is connected with the first end of the 5th electric capacity C5, second end of the 4th electric capacity C4 is connected with second end of the 5th electric capacity C5 and ground connection, the output of the first amplifier IC1 is connected with second end of the 4th resistance R4 and the first end of the 8th electric capacity C8 simultaneously, second end of the 8th electric capacity C8 is connected with the first end of the 6th resistance R6, second end of the 6th resistance R6 is connected with the first end of the 7th resistance R7 and the inverting input of the second amplifier IC2 simultaneously, the cathode power supply end of the second amplifier IC2 is connected with the positive pole of the 3rd power supply DC3, the negative power supply end ground connection of the second amplifier IC2, the in-phase input end of the second amplifier IC2 simultaneously with the first end of the 5th resistance R5, the first end of the 8th resistance R8, the first end of the 7th electric capacity C7 is connected with the first end of the 6th electric capacity C6, second end of the 5th resistance R5 is connected with second end of the 7th electric capacity C7 and second end of the 6th electric capacity C6 and ground connection simultaneously, second end of the 8th resistance R8 is connected with the positive pole of the 4th power supply DC4, and the output of the second amplifier IC2 is connected with second end of the 7th resistance R7 and signal output part VO simultaneously.
Received radio signals by coil L in the present invention, then this signal is carried out two-stage amplification by the first amplifier IC1 and the second amplifier IC2, and can the decay that produces because of the increase of distance of the signal voltage amplitude that senses of bucking coil L, small-signal received by amplification, significantly increases the transmission performance of remote-wireless electricity.Circuit structure of the present invention is simple, cost of manufacture is lower, and circuit does not operationally almost have noise, and the amplifier without using outside triode or more reduces system noise, received signal does not almost lose after amplifying, and has the value of higher penetration and promotion.
Claims (2)
1. for a radio signal reception amplifier for air communications, it is characterized in that: comprise the first resistance, second resistance, 3rd resistance, 4th resistance, 5th resistance, 6th resistance, 7th resistance, 8th resistance, first electric capacity, second electric capacity, 3rd electric capacity, 4th electric capacity, 5th electric capacity, 6th electric capacity, 7th electric capacity, first power supply, second source, 3rd power supply, 4th power supply, coil, first amplifier and the second amplifier, the first end of described first resistance is connected with the positive pole of described first power supply, the second end of described first resistance simultaneously with the first end of described first electric capacity, the first end of described second electric capacity, the first end of described second resistance, the first end of described 3rd electric capacity is connected with the first end of described coil, second end of described first electric capacity is connected with the second end of described second electric capacity and the second end of described second resistance and ground connection simultaneously, second end of described 3rd electric capacity is connected with the second end of described coil and the in-phase input end of described first amplifier simultaneously, the cathode power supply end of described first amplifier is connected with the positive pole of described second source, the negative power supply end ground connection of described first amplifier, the inverting input of described first amplifier is connected with the first end of described 3rd resistance, the second end of described 3rd resistance simultaneously with the first end of described 4th electric capacity, the first end of described 4th resistance is connected with the first end of described 5th electric capacity, second end of described 4th electric capacity is connected with the second end of described 5th electric capacity and ground connection, the output of described first amplifier is connected with the second end of described 4th resistance and the first end of described 8th electric capacity simultaneously, second end of described 8th electric capacity is connected with the first end of described 6th resistance, second end of described 6th resistance is connected with the first end of described 7th resistance and the inverting input of described second amplifier simultaneously, the cathode power supply end of described second amplifier is connected with the positive pole of described 3rd power supply, the negative power supply end ground connection of described second amplifier, the in-phase input end of described second amplifier simultaneously with the first end of described 5th resistance, the first end of described 8th resistance, the first end of described 7th electric capacity is connected with the first end of described 6th electric capacity, second end of described 5th resistance is connected with the second end of described 7th electric capacity and the second end of described 6th electric capacity and ground connection simultaneously, second end of described 8th resistance is connected with the positive pole of described 4th power supply, and the output of described second amplifier is connected with the second end of described 7th resistance and signal output part simultaneously.
2. a kind of radio signal reception amplifier for air communications according to claim 1, it is characterized in that: described 3rd electric capacity is variable capacitance, described first power supply, described second source, described 3rd power supply and described 4th power supply are DC power supply.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310541755.8A CN104617888A (en) | 2013-11-05 | 2013-11-05 | Radio signal reception amplifier for aeronautical communication |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310541755.8A CN104617888A (en) | 2013-11-05 | 2013-11-05 | Radio signal reception amplifier for aeronautical communication |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104617888A true CN104617888A (en) | 2015-05-13 |
Family
ID=53152212
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310541755.8A Pending CN104617888A (en) | 2013-11-05 | 2013-11-05 | Radio signal reception amplifier for aeronautical communication |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104617888A (en) |
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2013
- 2013-11-05 CN CN201310541755.8A patent/CN104617888A/en active Pending
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Legal Events
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| C06 | Publication | ||
| PB01 | Publication | ||
| WD01 | Invention patent application deemed withdrawn after publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20150513 |