CN204349926U - A kind of data transfer of computer signal amplification circuit - Google Patents
A kind of data transfer of computer signal amplification circuit Download PDFInfo
- Publication number
- CN204349926U CN204349926U CN201420850266.0U CN201420850266U CN204349926U CN 204349926 U CN204349926 U CN 204349926U CN 201420850266 U CN201420850266 U CN 201420850266U CN 204349926 U CN204349926 U CN 204349926U
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- circuit
- signal amplification
- electric capacity
- resistance
- amplifying circuit
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Abstract
The utility model discloses a kind of data transfer of computer signal amplification circuit, comprise signal input circuit, one-level amplifying circuit, second amplifying circuit, power circuit and signal amplification output circuit, described power circuit is connected with described signal input circuit, described one-level amplifying circuit, described second amplifying circuit and described signal amplification output circuit simultaneously, and the signal output part of described signal input circuit is connected with described one-level amplifying circuit, described second amplifying circuit and described signal amplification output circuit successively.Compared with prior art, data-signal, by the amplification of three-stage amplifier, amplifies by the utility model, improves data transmission bauds, increases work efficiency, have the value applied.
Description
Technical field
The utility model relates to a kind of computer-internal circuit, particularly relates to a kind of data transfer of computer signal amplification circuit.
Background technology
Transfer of data is exactly according to suitable code, through one or more link, transmits the process of data between data source and data sink.Also the operation by the signal on channel, data being sent to another place from is represented.But in prior art, the data transmission bauds of computer is too slow, and affect operating efficiency, reason is that the strength ratio of signal is more weak, therefore, there is room for improvement.
Utility model content
The purpose of this utility model is just to provide a kind of data transfer of computer signal amplification circuit to solve the problem.
The utility model is achieved through the following technical solutions above-mentioned purpose:
The utility model comprises signal input circuit, one-level amplifying circuit, second amplifying circuit, power circuit and signal amplification output circuit, described power circuit is connected with described signal input circuit, described one-level amplifying circuit, described second amplifying circuit and described signal amplification output circuit simultaneously, and the signal output part of described signal input circuit is connected with described one-level amplifying circuit, described second amplifying circuit and described signal amplification output circuit successively.
Further, described signal input circuit is made up of potentiometer, the first electric capacity, the second electric capacity, the first resistance and the second resistance; Described one-level amplifying circuit is made up of to the 5th resistance, the 3rd electric capacity and the 4th electric capacity the first triode, the 3rd resistance; Described second amplifying circuit is made up of to the tenth resistance, the 5th electric capacity and the 6th electric capacity the second triode, the 7th resistance; Described signal amplification output circuit is made up of the 3rd triode, the 12 resistance and the 7th electric capacity; Described power electric routing transformer, the 9th electric capacity, the tenth electric capacity and the 11 resistance form.
The beneficial effects of the utility model are:
The utility model is a kind of data transfer of computer signal amplification circuit, and compared with prior art, the utility model is by the amplification of three-stage amplifier, data-signal is amplified, improve data transmission bauds, increase work efficiency, there is the value applied.
Accompanying drawing explanation
Fig. 1 is circuit structure schematic diagram of the present utility model.
In figure: 1-signal input circuit, 2-one-level amplifying circuit, 3-second amplifying circuit, 4-power circuit, 5-signal amplification output circuit.
Embodiment
Below in conjunction with accompanying drawing, the utility model is described in further detail:
As shown in Figure 1: the utility model comprises signal input circuit 1, one-level amplifying circuit 2, second amplifying circuit 3, power circuit 4 and signal amplification output circuit 5, power circuit 4 is connected with signal input circuit 1, one-level amplifying circuit 2, second amplifying circuit 3 and signal amplification output circuit 5 simultaneously, and the signal output part of signal input circuit 1 is connected with one-level amplifying circuit 2, second amplifying circuit 3 and signal amplification output circuit 5 successively.
Further, signal input circuit 1 is made up of potentiometer RP1, the first electric capacity C1, the second electric capacity C2, the first resistance R1 and the second resistance R2; One-level amplifying circuit 2 is made up of to the 5th resistance R5, the 3rd electric capacity C3 and the 4th electric capacity C4 the first triode VT1, the 3rd resistance R3; Second amplifying circuit 3 is made up of to the tenth resistance R10, the 5th electric capacity C5 and the 6th electric capacity C6 the second triode VT2, the 7th resistance R7; Signal amplification output circuit 5 is made up of the 3rd triode VT3, the 12 resistance R12 and the 7th electric capacity C7; Power circuit 4 is made up of transformer T, the 9th electric capacity C9, the tenth electric capacity C10 and the 11 resistance R11.
Operation principle of the present utility model is as follows:
Computer data signal is added to the base stage of the first triode VT1 after potentiometer RP1 adjusts, 4th resistance R4 is connected on the emitter of the first triode VT1 as Current Negative Three-Point Capacitance resistor stable DC working point, 3rd electric capacity C3 is that decoupling capacitor makes the first triode VT1 ac gain improve, and data-signal is added on the primary coil of transformer T after amplifying through three grades.The collector electrode of the 3rd triode VT3 exports and feeds back to the base stage of the first triode VT1 in order to improve the frequency characteristic of amplifier through the 12 resistance R12, the 9th electric capacity C9.The output of this amplifier adopts the mode of transformation to compensate high-frequency signal.
Component parameter of the present utility model is selected as follows:
First resistance R1 is 100 Ω, second resistance R2 is 400 Ω, 3rd resistance R3 is 500 Ω, 4th resistance R4 is 2k Ω, 5th resistance R5 is 27k Ω, 6th resistance R6 is 200 Ω to the 8th resistance R8, 9th resistance R9 is 479 Ω, tenth resistance R10 is 5.5k Ω, 11 resistance R11 is 10k Ω to the 13 resistance R13, first electric capacity C1 is 300uf, second electric capacity C2 is 470uf, 3rd electric capacity C3 is 100uf, 4th electric capacity C4 is 1000uf, 5th electric capacity C5 is 10uf, 6th electric capacity C6 is 120uf, 7th electric capacity C7 is 720uf, 8th electric capacity C8 is 47uf to the tenth electric capacity C10, transformer T is 3V, first triode VT1 is PNP type triode to the 3rd triode VT3.
More than show and describe general principle of the present utility model and principal character and advantage of the present utility model.The technical staff of the industry should understand; the utility model is not restricted to the described embodiments; what describe in above-described embodiment and specification just illustrates principle of the present utility model; under the prerequisite not departing from the utility model spirit and scope; the utility model also has various changes and modifications, and these changes and improvements all fall within the scope of claimed the utility model.The claimed scope of the utility model is defined by appending claims and equivalent thereof.
Claims (6)
1. a data transfer of computer signal amplification circuit, it is characterized in that: comprise signal input circuit, one-level amplifying circuit, second amplifying circuit, power circuit and signal amplification output circuit, described power circuit is connected with described signal input circuit, described one-level amplifying circuit, described second amplifying circuit and described signal amplification output circuit simultaneously, and the signal output part of described signal input circuit is connected with described one-level amplifying circuit, described second amplifying circuit and described signal amplification output circuit successively.
2. data transfer of computer signal amplification circuit according to claim 1, is characterized in that: described signal input circuit is made up of potentiometer, the first electric capacity, the second electric capacity, the first resistance and the second resistance.
3. data transfer of computer signal amplification circuit according to claim 1, is characterized in that: described one-level amplifying circuit is made up of to the 5th resistance, the 3rd electric capacity and the 4th electric capacity the first triode, the 3rd resistance.
4. data transfer of computer signal amplification circuit according to claim 1, is characterized in that: described second amplifying circuit is made up of to the tenth resistance, the 5th electric capacity and the 6th electric capacity the second triode, the 7th resistance.
5. data transfer of computer signal amplification circuit according to claim 1, is characterized in that: described signal amplification output circuit is made up of the 3rd triode, the 12 resistance and the 7th electric capacity.
6. data transfer of computer signal amplification circuit according to claim 1, is characterized in that: described power electric routing transformer, the 9th electric capacity, the tenth electric capacity and the 11 resistance form.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420850266.0U CN204349926U (en) | 2014-12-29 | 2014-12-29 | A kind of data transfer of computer signal amplification circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420850266.0U CN204349926U (en) | 2014-12-29 | 2014-12-29 | A kind of data transfer of computer signal amplification circuit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204349926U true CN204349926U (en) | 2015-05-20 |
Family
ID=53233163
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420850266.0U Expired - Fee Related CN204349926U (en) | 2014-12-29 | 2014-12-29 | A kind of data transfer of computer signal amplification circuit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204349926U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105978618A (en) * | 2016-05-16 | 2016-09-28 | 陕西理工学院 | Computer WIFI signal relay amplifier |
-
2014
- 2014-12-29 CN CN201420850266.0U patent/CN204349926U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105978618A (en) * | 2016-05-16 | 2016-09-28 | 陕西理工学院 | Computer WIFI signal relay amplifier |
| CN105978618B (en) * | 2016-05-16 | 2018-11-13 | 陕西理工学院 | A kind of computer WIFI signal relay amplifier |
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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 |
Granted publication date: 20150520 Termination date: 20151229 |
|
| EXPY | Termination of patent right or utility model |