CN104579194A - High-gain computer network signal amplifier - Google Patents
High-gain computer network signal amplifier Download PDFInfo
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- CN104579194A CN104579194A CN201310501295.6A CN201310501295A CN104579194A CN 104579194 A CN104579194 A CN 104579194A CN 201310501295 A CN201310501295 A CN 201310501295A CN 104579194 A CN104579194 A CN 104579194A
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- electric capacity
- computer network
- capacitor
- radio frequency
- amplifier
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Abstract
The invention discloses a high-gain computer network signal amplifier. The high-gain computer network signal amplifier comprises a first radiofrequency amplifier, a second radiofrequency amplifier, a first capacitor, a second capacitor, a third capacitor, a fourth capacitor, a fifth capacitor, a sixth capacitor, a seventh capacitor, an eighth capacitor, a ninth capacitor, a tenth capacitor, a first inductor, a second inductor, a third inductor, a first resistor, a second resistor, a third resistor, a first transformer and a second transformer. An output end of a circuit is subjected to differential coupling, a two-stage tuning intermediate frequency amplifier has the maximum gain and the maximum swing ability on output signals, the total bandwidth of the circuit is 1.5MHz, and a first resistor and a third resistor which are respectively connected with a control end connected to the first radiofrequency amplifier and the second radiofrequency amplifier respectively can effectively and stably output level. Compared with the prior art, the high-gain computer network signal amplifier has the advantages that computer network signals can be amplified, the stability of the computer network signals is certain, the gain is high, a circuit structure is simple, the number of electronic elements is small, and the cost is low. The high-gain computer network signal amplifier is worthy of being popularized and used.
Description
Technical field
The present invention relates to a kind of computer hardware device, particularly relate to a kind of high-gain computer network signal amplifier.
Background technology
Computer network refers to the multiple stage computers with standalone feature different for geographical position and external equipment thereof, coupled together by communication line, in network operating system, the management of the network management software and network communication protocol and under coordinating, realizes the computer system that resource-sharing and information are transmitted.And in prior art, wild effect often appears in network signal, and often there is the phenomenon that network signal is weak.
Summary of the invention
Object of the present invention is just to provide a kind of high-gain computer network signal amplifier to solve the problem.
The present invention is achieved through the following technical solutions above-mentioned purpose:
The present invention includes the first radio frequency amplifier, second radio frequency amplifier, first electric capacity is to the tenth electric capacity, first inductance is to the 3rd inductance, first resistance is to the 3rd resistance, first transformer and the second transformer, first signal input part of described computer network signal amplifier is connected with the first end of described first resistance and the first end of described 3rd resistance simultaneously, the secondary signal input of described computer network signal amplifier is connected with the first end of described tenth electric capacity, second end of described tenth electric capacity simultaneously with the first end of described first electric capacity, the first end of described first inductance is connected with the positive signal input part of described first radio frequency amplifier, second end of described first electric capacity simultaneously with the first end of described second electric capacity, the first end of described 3rd electric capacity, the first end of described first transformer secondary output, the first end of described 5th electric capacity, the first end of described 6th electric capacity, the first end of described 7th electric capacity is connected with the first end of described second transformer secondary output, second end of described second electric capacity is connected with the second end of described first inductance and the inversion signal input of described first radio frequency amplifier simultaneously, second end of described 3rd electric capacity is connected with the second end of described first resistance and the control end of described first radio frequency amplifier simultaneously, the secondary signal output of described first radio frequency amplifier simultaneously with the first end of described second resistance, the first end of described 9th electric capacity is connected with the first end of described first primary, second end of described first primary simultaneously with the second end of described second inductance, second end of described 9th electric capacity is connected with the second end of described second resistance, second end of described first transformer secondary output is connected with the first end of described 4th electric capacity, second end of described 4th electric capacity is connected with the second end of described 5th electric capacity and the positive signal input part of described second radio frequency amplifier simultaneously, the control end of described second radio frequency amplifier is connected with the second end of described 3rd resistance, the inversion signal input of described second radio frequency amplifier is connected with the second end of described 6th electric capacity, first signal output part of described second radio frequency amplifier is connected with the first end of described 8th electric capacity and the first end of described second primary simultaneously, second end of described second primary simultaneously with the second end of described 8th electric capacity, the first end of described 3rd inductance, second end of described 7th electric capacity is connected with the secondary signal output of described second radio frequency amplifier, second end of described 3rd inductance is connected with the second end of described second inductance and the secondary signal output of described first radio frequency amplifier simultaneously, the two ends of described second transformer secondary output are two signal output parts of described computer network signal amplifier.
Beneficial effect of the present invention is:
The present invention is a kind of high-gain computer network signal amplifier, compared with prior art, computer network signal can amplify by the present invention, and keep certain stability, and there is the advantage that high-gain, circuit structure are simple, adopt electronic component few, with low cost, there is the value promoted and use.
Accompanying drawing explanation
Fig. 1 is circuit structure schematic diagram 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 radio frequency amplifier IC1, second radio frequency amplifier IC2, first electric capacity C1 is to the tenth electric capacity C10, first inductance L 1 is to the 3rd inductance L 3, first resistance R1 is to the 3rd resistance R3, first transformer T1 and the second transformer T2, first signal input part of computer network signal amplifier is connected with the first end of the first resistance R1 and the first end of the 3rd resistance R3 simultaneously, the secondary signal input of computer network signal amplifier is connected with the first end of the tenth electric capacity C10, second end of the tenth electric capacity C10 simultaneously with the first end of the first electric capacity C1, the first end of the first inductance L 1 is connected with the positive signal input part of the first radio frequency amplifier IC1, second end of the first electric capacity C1 simultaneously with the first end of the second electric capacity C2, the first end of the 3rd electric capacity C3, the first end of the first transformer T1 level, the first end of the 5th electric capacity C5, the first end of the 6th electric capacity C6, the first end of first end and the second transformer T2 the level of the 7th electric capacity C7 is connected, second end of the second electric capacity C2 is connected with the second end of the first inductance L 1 and the inversion signal input of the first radio frequency amplifier IC1 simultaneously, second end of the 3rd electric capacity C3 is connected with second end of the first resistance R1 and the control end of the first radio frequency amplifier IC1 simultaneously, the secondary signal output of the first radio frequency amplifier IC1 simultaneously with the first end of the second resistance R2, the first end that the first end of the 9th electric capacity C9 is elementary with the first transformer T1 is connected, elementary the second end of first transformer T1 simultaneously with the second end of the second inductance L 2, second end of the 9th electric capacity C9 is connected with second end of the second resistance R2, second end of the first transformer T1 level is connected with the first end of the 4th electric capacity C4, second end of the 4th electric capacity C4 is connected with second end of the 5th electric capacity C5 and the positive signal input part of the second radio frequency amplifier IC2 simultaneously, the control end of the second radio frequency amplifier IC2 is connected with second end of the 3rd resistance R3, the inversion signal input of the second radio frequency amplifier IC2 is connected with second end of the 6th electric capacity C6, first signal output part of the second radio frequency amplifier IC2 is connected with the first end of the 8th electric capacity C8 and the elementary first end of the second transformer T2 simultaneously, elementary the second end of described second transformer T2 simultaneously with second end of the 8th electric capacity C8, the first end of the 3rd inductance L 3, second end of the 7th electric capacity C7 is connected with the secondary signal output of the second radio frequency amplifier IC2, second end of the 3rd inductance L 3 is connected with the second end of the second inductance L 2 and the secondary signal output of the first radio frequency amplifier IC1 simultaneously, the two ends of the second transformer T2 level are two signal output parts of computer network signal amplifier.
As shown in Figure 1: in circuit, output adopts differential couple, make the tuning intermediate frequency amplifier of two-stage can have the amplitude of oscillation ability of maximum gain and output signal, circuit total bandwidth is 1.5MHz, the first resistance R1 that the control end be connected respectively with the first radio frequency amplifier IC1 and the second radio frequency amplifier IC2 connects respectively and the 3rd resistance R3 effectively can stablize output level, first transformer T1 adopts the wire of diameter 0.72mm around 15 circles on the framework of diameter 6.3mm, secondary around 4 circles; Second transformer T2 adopts the wire of diameter 0.72mm around 10 circles on the framework of diameter 6.3mm, secondary around 2 circles.
Claims (1)
1. a high-gain computer network signal amplifier, it is characterized in that: comprise the first radio frequency amplifier, second radio frequency amplifier, first electric capacity is to the tenth electric capacity, first inductance is to the 3rd inductance, first resistance is to the 3rd resistance, first transformer and the second transformer, first signal input part of described computer network signal amplifier is connected with the first end of described first resistance and the first end of described 3rd resistance simultaneously, the secondary signal input of described computer network signal amplifier is connected with the first end of described tenth electric capacity, second end of described tenth electric capacity simultaneously with the first end of described first electric capacity, the first end of described first inductance is connected with the positive signal input part of described first radio frequency amplifier, second end of described first electric capacity simultaneously with the first end of described second electric capacity, the first end of described 3rd electric capacity, the first end of described first transformer secondary output, the first end of described 5th electric capacity, the first end of described 6th electric capacity, the first end of described 7th electric capacity is connected with the first end of described second transformer secondary output, second end of described second electric capacity is connected with the second end of described first inductance and the inversion signal input of described first radio frequency amplifier simultaneously, second end of described 3rd electric capacity is connected with the second end of described first resistance and the control end of described first radio frequency amplifier simultaneously, the secondary signal output of described first radio frequency amplifier simultaneously with the first end of described second resistance, the first end of described 9th electric capacity is connected with the first end of described first primary, second end of described first primary simultaneously with the second end of described second inductance, second end of described 9th electric capacity is connected with the second end of described second resistance, second end of described first transformer secondary output is connected with the first end of described 4th electric capacity, second end of described 4th electric capacity is connected with the second end of described 5th electric capacity and the positive signal input part of described second radio frequency amplifier simultaneously, the control end of described second radio frequency amplifier is connected with the second end of described 3rd resistance, the inversion signal input of described second radio frequency amplifier is connected with the second end of described 6th electric capacity, first signal output part of described second radio frequency amplifier is connected with the first end of described 8th electric capacity and the first end of described second primary simultaneously, second end of described second primary simultaneously with the second end of described 8th electric capacity, the first end of described 3rd inductance, second end of described 7th electric capacity is connected with the secondary signal output of described second radio frequency amplifier, second end of described 3rd inductance is connected with the second end of described second inductance and the secondary signal output of described first radio frequency amplifier simultaneously, the two ends of described second transformer secondary output are two signal output parts of described computer network signal amplifier.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310501295.6A CN104579194A (en) | 2013-10-23 | 2013-10-23 | High-gain computer network signal amplifier |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310501295.6A CN104579194A (en) | 2013-10-23 | 2013-10-23 | High-gain computer network signal amplifier |
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| Publication Number | Publication Date |
|---|---|
| CN104579194A true CN104579194A (en) | 2015-04-29 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310501295.6A Pending CN104579194A (en) | 2013-10-23 | 2013-10-23 | High-gain computer network signal amplifier |
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| CN (1) | CN104579194A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105866346A (en) * | 2016-05-22 | 2016-08-17 | 渭南师范学院 | Novel gas sensor |
| CN107124206A (en) * | 2017-04-28 | 2017-09-01 | 陕西理工大学 | A kind of computer network signal processor |
-
2013
- 2013-10-23 CN CN201310501295.6A patent/CN104579194A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105866346A (en) * | 2016-05-22 | 2016-08-17 | 渭南师范学院 | Novel gas sensor |
| CN107124206A (en) * | 2017-04-28 | 2017-09-01 | 陕西理工大学 | A kind of computer network signal processor |
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| PB01 | Publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20150429 |
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| WD01 | Invention patent application deemed withdrawn after publication |