CN204347832U - A kind of computing machine usb communication interface data transmission amplifier - Google Patents
A kind of computing machine usb communication interface data transmission amplifier Download PDFInfo
- Publication number
- CN204347832U CN204347832U CN201420787708.1U CN201420787708U CN204347832U CN 204347832 U CN204347832 U CN 204347832U CN 201420787708 U CN201420787708 U CN 201420787708U CN 204347832 U CN204347832 U CN 204347832U
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- China
- Prior art keywords
- circuit
- switched data
- signal amplification
- data signal
- communication interface
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Abstract
The utility model discloses a kind of computing machine usb communication interface data transmission amplifier, comprise USB plug, USB socket, one circuit-switched data signal amplification circuit and two circuit-switched data signal amplification circuits, the road signal input part that signal input part and the signal output part of a described circuit-switched data signal amplification circuit are connected to described USB plug corresponding with described USB socket is connected with signal output part, the second road signal input part that signal input part and the signal output part of described two circuit-switched data signal amplification circuits are connected to described USB plug corresponding with described USB socket is connected with signal output part.Compared with prior art, the utility model amplifies the data transfer signal of usb communication interface mainly through the combination of triode, thus improve the transmission speed of data, even if for common memory device, also effectively data rate can be improved, the electronic component adopted is few, and cost is low, has the value applied.
Description
Technical field
The utility model relates to a kind of computer communication interface circuit, particularly relates to a kind of computing machine usb communication interface data transmission amplifier.
Background technology
USB is the abbreviation of English Universal Serial Bus (USB (universal serial bus)), and its Chinese is referred to as " logical get lines crossed ", is an external bus standard, for connection and the communication of specification computer and external unit.It is the interfacing being applied in PC field.The plug and play of USB interface support equipment and warm connection function.But the transmission speed of computing machine USB communication interface of the prior art is too slow, compare when copy transmission data and lose time, the data-signal that reason is USB interface is strong not, and another one reason is the speed of memory device itself, but the speed of USB interface is appointed and so needed improvement.
Utility model content
The purpose of this utility model is just to provide a kind of computing machine usb communication interface data transmission amplifier to solve the problem.
The utility model is achieved through the following technical solutions above-mentioned purpose:
The utility model comprises USB plug, USB socket, a circuit-switched data signal amplification circuit and two circuit-switched data signal amplification circuits, the road signal input part that signal input part and the signal output part of a described circuit-switched data signal amplification circuit are connected to described USB plug corresponding with described USB socket is connected with signal output part, and the second road signal input part that signal input part and the signal output part of described two circuit-switched data signal amplification circuits are connected to described USB plug corresponding with described USB socket is connected with signal output part.
Further, the internal circuit configuration of a described circuit-switched data signal amplification circuit and described two circuit-switched data signal amplification circuits, components and parts model are all identical with component parameter.
Particularly, a described circuit-switched data signal amplification circuit is made up of to the 6th triode, the first electric capacity to the 3rd electric capacity to the 9th resistance, the first triode the first resistance.
The beneficial effects of the utility model are:
The utility model is a kind of computing machine usb communication interface data transmission amplifier, compared with prior art, the utility model amplifies the data transfer signal of usb communication interface mainly through the combination of triode, thus improve the transmission speed of data, even if for common memory device, also effectively can improve data rate, the electronic component of employing is few, cost is low, has the value applied.
Accompanying drawing explanation
Fig. 1 is circuit structure schematic diagram of the present utility model.
In figure: 1-USB plug, 2-USB socket, 3-mono-circuit-switched data signal amplification circuit, 4-bis-circuit-switched data signal amplification 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 USB plug 1, USB socket 2, circuit-switched data signal amplification circuit 3 and two circuit-switched data signal amplification circuits 4, signal input part and the signal output part of one circuit-switched data signal amplification circuit 3 are connected to USB plug 1 and are connected with signal output part with a road signal input part of USB socket 2 correspondence, and signal input part and the signal output part of two circuit-switched data signal amplification circuits 4 are connected to USB plug 1 and are connected with signal output part with the second road signal input part of USB socket 2 correspondence.
Further, the internal circuit configuration of a circuit-switched data signal amplification circuit 3 and two circuit-switched data signal amplification circuits 4, components and parts model are all identical with component parameter.
Particularly, a circuit-switched data signal amplification circuit 3 is made up of to the 3rd electric capacity C3 to the 6th triode VT6, the first electric capacity C1 the first resistance R1 to the 9th resistance R9, the first triode VT1.
Principle of work of the present utility model is as follows:
Circuit structure, the components and parts model of one circuit-switched data signal amplification circuit 3 and two circuit-switched data signal amplification circuits 4 are all identical with component parameter, here just citing one circuit-switched data signal amplification circuit 3 is described, the differential amplifier be made up of the second triode VT2 and the 3rd triode VT3 in this circuit is main ingredient, 6th triode VT6, as common emitter voltage amplifier, exports the signal after amplifying by collector.Input signal is inputted by the base stage of the second triode VT2, the collector of the first triode VT1 and base stage short circuit provide direct current (DC) bias for the base stage of the second triode VT2, and the circuit that the 4th triode VT4 and the 5th triode VT5 and emitter resistor are formed provides collector bias voltage for the second triode VT2 and the 3rd triode VT3.Use transistor can reduce the power attenuation of resistor, desirable amplification effect can be obtained.
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, first triode VT1 is 2SC2240-GR to the model of the 3rd triode VT3, the model of the 4th triode VT4 and the 5th triode is 2SA970-GR, the model of the 6th triode VT6 is 2SC1015-GR, first electric capacity C1 is 300uf, second electric capacity C2 is 470uf, 3rd electric capacity C3 is 100uf.
More than show and describe ultimate principle of the present utility model and principal character and advantage of the present utility model.The technician of the industry should understand; the utility model is not restricted to the described embodiments; what describe in above-described embodiment and instructions 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 (3)
1. a computing machine usb communication interface data transmission amplifier, it is characterized in that: comprise USB plug, USB socket, one circuit-switched data signal amplification circuit and two circuit-switched data signal amplification circuits, the road signal input part that signal input part and the signal output part of a described circuit-switched data signal amplification circuit are connected to described USB plug corresponding with described USB socket is connected with signal output part, the second road signal input part that signal input part and the signal output part of described two circuit-switched data signal amplification circuits are connected to described USB plug corresponding with described USB socket is connected with signal output part.
2. computing machine usb communication interface data transmission amplifier according to claim 1, is characterized in that: internal circuit configuration, the components and parts model of a described circuit-switched data signal amplification circuit and described two circuit-switched data signal amplification circuits are all identical with component parameter.
3. computing machine usb communication interface data transmission amplifier according to claim 1 and 2, is characterized in that: a described circuit-switched data signal amplification circuit is made up of to the 6th triode, the first electric capacity to the 3rd electric capacity to the 9th resistance, the first triode the first resistance.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420787708.1U CN204347832U (en) | 2014-12-12 | 2014-12-12 | A kind of computing machine usb communication interface data transmission amplifier |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420787708.1U CN204347832U (en) | 2014-12-12 | 2014-12-12 | A kind of computing machine usb communication interface data transmission amplifier |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204347832U true CN204347832U (en) | 2015-05-20 |
Family
ID=53231089
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420787708.1U Expired - Fee Related CN204347832U (en) | 2014-12-12 | 2014-12-12 | A kind of computing machine usb communication interface data transmission amplifier |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204347832U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105808490A (en) * | 2016-03-02 | 2016-07-27 | 陕西理工学院 | Computer USB data transmission accelerating processor |
-
2014
- 2014-12-12 CN CN201420787708.1U patent/CN204347832U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105808490A (en) * | 2016-03-02 | 2016-07-27 | 陕西理工学院 | Computer USB data transmission accelerating processor |
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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: 20151212 |
|
| EXPY | Termination of patent right or utility model |