CN205160497U - Level shifting circuit based on communication of 3D gesture - Google Patents
Level shifting circuit based on communication of 3D gesture Download PDFInfo
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- CN205160497U CN205160497U CN201520960340.9U CN201520960340U CN205160497U CN 205160497 U CN205160497 U CN 205160497U CN 201520960340 U CN201520960340 U CN 201520960340U CN 205160497 U CN205160497 U CN 205160497U
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- switch module
- shifting circuit
- level shifting
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Abstract
The utility model is suitable for a voltage conversion technical field provides a level shifting circuit based on communication of 3D gesture, and this level shifting circuit includes a partial pressure module, the 2nd partial pressure module, first switch module and second switch module, a partial pressure module's one end is connected respectively the one end of first switch module and the one end of second switch module, the other end of first switch module is connected the 2nd partial pressure module's one end. Utilize the transistor switch on shi weizheng and by the time for the burden, realize serial ports level output's conversion, utilize the switch of transistor to realize that the conversion of serial ports level input and state are reverse. This circuit structure is simple, easily realizes, and low cost, it is efficient.
Description
Technical field
The utility model belongs to voltage transitions technological improvement field, particularly relates to a kind of level shifting circuit based on the communication of 3D gesture.
Background technology
A lot of electronic system continues to shift to lower level voltage signal.This trend power is behind the demand to reducing power consumption.The progress of the aspects such as commutating speed and reduction signal noise faster had both facilitated designer, also proposed new challenge to them.Microprocessor is taken the lead in the process marched to lower voltage levvl.Processor I/O voltage just transfers to 1.5V from 1.8V, and core voltage can lower than 1V.Future generation microprocessors even will adopt lower voltage.Although the voltage of peripheral device component is also in reduction, about level lags behind a processor generation usually.The uneven key difficult problem bringing system designer and must solve of the development of voltage reduction aspect---how to change reliably between signal level.Correct signal level can ensure the reliably working of system, and they can prevent responsive IC impaired because of too high or too low voltage conditions.Current level conversion is divided into unidirectional conversion and bi-directional conversion, and also have single supply and duplicate supply conversion, duplicate supply conversion adopts double track scheme to have the requirement meeting various aspects of performance.
Utility model content
The purpose of this utility model is to provide a kind of level shifting circuit based on the communication of 3D gesture, is intended to solve above-mentioned technical problem.
The utility model realizes like this, a kind of level shifting circuit based on the communication of 3D gesture, this level shifting circuit comprises the first division module, the second division module, the first switch module and second switch module, one end of described first division module connects one end of described first switch module and one end of second switch module respectively, and the other end of described first switch module connects one end of described second division module.
Further technical scheme of the present utility model is: this level shifting circuit also comprises the first adjustment bias voltage module and the second adjustment bias voltage module, one end of described first adjustment bias voltage module connects the other end of described first switch module and one end of the second division module respectively, and one end of described second adjustment bias voltage module connects the other end of described second switch module.
Further technical scheme of the present utility model is: what described first switch module and second switch module adopted is triode or metal-oxide-semiconductor.
Further technical scheme of the present utility model is: what described first division module and the second division module all adopted is resistance, and its resistance is 10K.
Further technical scheme of the present utility model is: described first adjustment bias voltage module and the second adjustment bias voltage module all adopt adjustable resistance.
The beneficial effects of the utility model are: when utilizing transistor turns for just be negative during cut-off, realize the conversion of serial ports level output; Utilize the switch of transistor realize serial ports level input conversion and state reverse.This circuit structure is simple, is easy to realize, and with low cost, efficiency is high.
Accompanying drawing explanation
Fig. 1 is the structured flowchart of the level shifting circuit based on the communication of 3D gesture that the utility model embodiment provides;
Fig. 2 is the electrical schematic diagram of the level shifting circuit based on the communication of 3D gesture that the utility model embodiment provides.
Embodiment
Fig. 1 shows a kind of level shifting circuit based on the communication of 3D gesture that the utility model provides, this level shifting circuit comprises the first division module, the second division module, the first switch module and second switch module, one end of described first division module connects one end of described first switch module and one end of second switch module respectively, and the other end of described first switch module connects one end of described second division module.When utilizing transistor turns for just be negative during cut-off, realize the conversion of serial ports level output; Utilize the switch of transistor realize serial ports level input conversion and state reverse.This circuit structure is simple, is easy to realize, and with low cost, efficiency is high.
This level shifting circuit also comprises the first adjustment bias voltage module and the second adjustment bias voltage module, one end of described first adjustment bias voltage module connects the other end of described first switch module and one end of the second division module respectively, and one end of described second adjustment bias voltage module connects the other end of described second switch module.
What described first switch module and second switch module adopted is triode or metal-oxide-semiconductor.When being switch module selecting triode, one of them NPN type triode, another PNP type triode.When being switch module selecting metal-oxide-semiconductor, one of them is N-MOS pipe, and another is P-MOS pipe.
What described first division module and the second division module all adopted is resistance, and its resistance is 10K.
Described first adjustment bias voltage module and the second adjustment bias voltage module all adopt adjustable resistance.Go to adjust bias voltage according to the value of adjustable resistance.
One end of resistance R27 connects the base stage of described triode Q4, the grounded emitter of described triode Q4, collector electrode one end of contact resistance R32 and the base stage of triode Q2 respectively of described triode Q4, collector electrode one end of contact resistance R38 and one end of resistance R31 respectively of triode Q2, the other end ground connection of resistance R31, the grounded collector of triode Q4.
Level conversion scheme is realized replacing with realizing with discrete device by traditional chip, the discrete device used mainly triode, resistance etc., these discrete devices are all very cheap, and use few discrete device just can realize, while realizing level conversion function, cost is also much lower than use chip.
The foregoing is only preferred embodiment of the present utility model; not in order to limit the utility model; all do within spirit of the present utility model and principle any amendment, equivalent to replace and improvement etc., all should be included within protection range of the present utility model.
Claims (5)
1. the level shifting circuit based on the communication of 3D gesture, it is characterized in that: this level shifting circuit comprises the first division module, the second division module, the first switch module and second switch module, one end of described first division module connects one end of described first switch module and one end of second switch module respectively, and the other end of described first switch module connects one end of described second division module.
2. level shifting circuit according to claim 1, it is characterized in that, this level shifting circuit also comprises the first adjustment bias voltage module and the second adjustment bias voltage module, one end of described first adjustment bias voltage module connects the other end of described first switch module and one end of the second division module respectively, and one end of described second adjustment bias voltage module connects the other end of described second switch module.
3. level shifting circuit according to claim 2, is characterized in that, what described first switch module and second switch module adopted is triode or metal-oxide-semiconductor.
4. level shifting circuit according to claim 3, is characterized in that, what described first division module and the second division module all adopted is resistance, and its resistance is 10K.
5. level shifting circuit according to claim 4, is characterized in that, described first adjustment bias voltage module and the second adjustment bias voltage module all adopt adjustable resistance.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520960340.9U CN205160497U (en) | 2015-11-27 | 2015-11-27 | Level shifting circuit based on communication of 3D gesture |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520960340.9U CN205160497U (en) | 2015-11-27 | 2015-11-27 | Level shifting circuit based on communication of 3D gesture |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205160497U true CN205160497U (en) | 2016-04-13 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520960340.9U Expired - Fee Related CN205160497U (en) | 2015-11-27 | 2015-11-27 | Level shifting circuit based on communication of 3D gesture |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205160497U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107979374A (en) * | 2017-11-24 | 2018-05-01 | 威创集团股份有限公司 | Signaling conversion circuit |
-
2015
- 2015-11-27 CN CN201520960340.9U patent/CN205160497U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107979374A (en) * | 2017-11-24 | 2018-05-01 | 威创集团股份有限公司 | Signaling conversion circuit |
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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: 20160413 Termination date: 20191127 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |