CN103095241B - Double-range single attenuation device - Google Patents
Double-range single attenuation device Download PDFInfo
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- CN103095241B CN103095241B CN201110349398.6A CN201110349398A CN103095241B CN 103095241 B CN103095241 B CN 103095241B CN 201110349398 A CN201110349398 A CN 201110349398A CN 103095241 B CN103095241 B CN 103095241B
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- analog signal
- circuit
- plug connector
- signal channel
- outrange
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Abstract
The application relates to a kind of double-range single attenuation device, comprise plug connector, plug connector comprises multiple analog signal channel, separate between each analog signal channel, each analog signal channel comprises direct circuit, attenuator circuit, outrange protective circuit and selector switch, direct circuit is connected the input of corresponding analog signal channel to receive external analog signal with attenuator circuit, direct circuit or attenuator circuit are optionally connected with outrange protective circuit by selector switch, outrange protective circuit output attenuatoin signal or through connect signal also stop exporting after external analog signal exceeds default range.The double-range signal attenuation circuit of multiple passage is integrated in plug connector and realizes plugging into without cable between system by the application, make connection fastening, accurate and easy to use, and design time can as required flexible configuration resistance to realize different attenuation coefficients for the input signal of each passage.
Description
Technical field
The application relates to signal attenuation device, particularly relates to a kind of double-range single attenuation device.
Background technology
At present, on market, the electronic module of outputting analog signal will realize the decay of signal, the mode connected mainly with cable and other module are carried out integrated, make integrated after system loaded down with trivial details and messy, and do not possess impedance matching, frequency compensation, the features such as range protection, because rare shaping decay series products can use on the market, so generally in actual applications, designer oneself is needed to build the attenuator circuit met the demands, this method makes the attenuator circuit of designer's design iterations different parameters, also input resistant matching will be considered simultaneously, the factors such as signal outrange protection, implement more complicated, and for the input signal of whole row, be difficult to carry out the integrated of attenuator circuit, attenuation multiple can not be adjusted flexibly, not only increase Innovation Input, and increase the construction cycle.
Summary of the invention
Provide hereinafter about brief overview of the present invention, to provide about the basic comprehension in some of the present invention.Should be appreciated that this general introduction is not summarize about exhaustive of the present invention.It is not that intention determines key of the present invention or pith, and nor is it intended to limit the scope of the present invention.Its object is only provide some concept in simplified form, in this, as the preorder in greater detail discussed after a while.
A main purpose of the present invention is to provide a kind of signal attenuation device that the mode connected with cable can be avoided to carry out analog signal.
According to an aspect of the present invention, a kind of double-range single attenuation device, comprise plug connector, plug connector comprises multiple analog signal channel, separate between each analog signal channel, each analog signal channel comprises direct circuit, attenuator circuit, outrange protective circuit and selector switch, direct circuit is connected the input of corresponding analog signal channel to receive external analog signal with attenuator circuit, direct circuit or attenuator circuit are optionally connected with outrange protective circuit by selector switch, outrange protective circuit output attenuatoin signal or through connect signal also stop exporting after external analog signal exceeds default range.
According to an aspect of the present invention, plug connector also comprises digital triggering passage.
According to an aspect of the present invention, one end of plug connector is provided with multiple input interface, for connecting the input of the analog signal channel of external analog signal and correspondence, the other end of plug connector is provided with multiple output interface, for connecting the output of corresponding analog signal channel.
According to an aspect of the present invention, multiple input interface of plug connector and multiple output interface are Sub-miniature B.
The double-range signal attenuation circuit of multiple passage is integrated in plug connector and realizes plugging into without cable between system by this double-range single attenuation device of the present invention; make connection fastening, accurate and easy to use; avoid the shortcoming that can not meet impedance matching, frequency compensation, outrange protection etc. caused with cable connected mode, and design time can as required flexible configuration resistance to realize different attenuation coefficients for the input signal of each passage.
Accompanying drawing explanation
Below with reference to the accompanying drawings illustrate embodiments of the invention, above and other objects, features and advantages of the present invention can be understood more easily.Parts in accompanying drawing are just in order to illustrate principle of the present invention.In the accompanying drawings, same or similar technical characteristic or parts will adopt same or similar Reference numeral to represent.
Fig. 1 is the structural representation of a kind of execution mode of double-range single attenuation device of the present invention.
Embodiment
With reference to the accompanying drawings embodiments of the invention are described.The element described in an accompanying drawing of the present invention or a kind of execution mode and feature can combine with the element shown in one or more other accompanying drawing or execution mode and feature.It should be noted that for purposes of clarity, accompanying drawing and eliminate expression and the description of unrelated to the invention, parts known to persons of ordinary skill in the art and process in illustrating.
With reference to figure 1, a kind of execution mode of double-range single attenuation device of the present invention comprises plug connector 10, plug connector 10 comprises multiple analog signal channel, as the analog signal channel CH1-CH8 in Fig. 1, separate between each analog signal channel, each analog signal channel comprises direct circuit 12, attenuator circuit 14, outrange protective circuit 16 and selector switch 18, direct circuit 12 is connected the input of corresponding analog signal channel with attenuator circuit 14, for receiving external analog signal, selector switch 18 is for being optionally connected direct circuit 12 or attenuator circuit 14 with outrange protective circuit, outrange protective circuit is used for output attenuatoin signal or through connect signal and stops exporting after analog signal exceeds default range.
Alternatively, in each attenuator circuit 14, be provided with resistance, when designing, can need in each attenuator circuit 14, to configure different resistance to obtain the attenuation coefficient needed according to user, to adapt to analog signal to be decayed, and realize impedance matching.
Alternatively, plug connector 10 also can comprise digital triggering passage.
Alternatively, one end of plug connector 10 is provided with multiple input interface, and for connecting the input of the analog signal channel of external signal and correspondence, the other end of plug connector 10 is provided with multiple output interface, connects the output of corresponding analog signal channel.
Alternatively, multiple input interface of plug connector 10 and multiple output interface are SMB (ServerMessageBlock) interface, double-range single attenuation device of the present invention can be applicable to PXI (PCIeXtensionsforInstrumentation, PCI towards instrument system expands) system to be to realize the operation of plugging between PXI system, according to the needs of application, also the input/output interface of plug connector 10 can be designed to the interface of other type.The double-range signal attenuation circuit of multiple passage is integrated in plug connector and realizes plugging into without cable between system by double-range single attenuation device of the present invention; make connection fastening, accurate and easy to use; avoid the shortcoming that can not meet impedance matching, frequency compensation, outrange protection etc. caused with cable connected mode, and design time can as required flexible configuration resistance to realize different attenuation coefficients for the input signal of each passage.
In the system of the present invention, obviously, each parts or each step reconfigure after can decomposing, combine and/or decomposing.These decompose and/or reconfigure and should be considered as equivalents of the present invention.Simultaneously, above in the description of the specific embodiment of the invention, the feature described for a kind of execution mode and/or illustrate can use in one or more other execution mode in same or similar mode, combined with the feature in other execution mode, or substitute the feature in other execution mode.
In the apparatus of the present: invention, obviously, each parts reconfigure after can decomposing, combine and/or decomposing.These decompose and/or reconfigure and should be considered as equivalents of the present invention.Above in the description of the specific embodiment of the invention, the feature described for a kind of execution mode and/or illustrate can use in one or more other execution mode in same or similar mode, combined with the feature in other execution mode, or substitute the feature in other execution mode.
Should emphasize, term " comprises/comprises " existence referring to feature, key element, step or assembly when using herein, but does not get rid of the existence or additional of one or more further feature, key element, step or assembly.
Although described the present invention and advantage thereof in detail, be to be understood that and can have carried out various change when not exceeding the spirit and scope of the present invention limited by appended claim, substituting and conversion.And the scope of the application is not limited only to the specific embodiment of process, equipment, means, method and step described by specification.One of ordinary skilled in the art will readily appreciate that from disclosure of the present invention, can use perform the function substantially identical with corresponding embodiment described herein or obtain and its substantially identical result, existing and that will be developed in the future process, equipment, means, method or step according to the present invention.Therefore, appended claim is intended to comprise such process, equipment, means, method or step in their scope.
Claims (1)
1. a double-range single attenuation device, comprise plug connector, described plug connector comprises multiple analog signal channel, separate between each analog signal channel, each analog signal channel comprises direct circuit, attenuator circuit, outrange protective circuit and selector switch, described direct circuit is connected the input of corresponding analog signal channel to receive external analog signal with attenuator circuit, described direct circuit or attenuator circuit are optionally connected with described outrange protective circuit by described selector switch, described outrange protective circuit output attenuatoin signal or through connect signal also stop exporting after external analog signal exceeds default range,
Wherein, one end of described plug connector is provided with multiple input interface, for connecting the input of the analog signal channel of described external analog signal and correspondence, the other end of described plug connector is provided with multiple output interface, for connecting the output of corresponding analog signal channel, multiple input interface of described plug connector and multiple output interface are Sub-miniature B;
Described plug connector also comprises digital triggering passage.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110349398.6A CN103095241B (en) | 2011-11-08 | 2011-11-08 | Double-range single attenuation device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110349398.6A CN103095241B (en) | 2011-11-08 | 2011-11-08 | Double-range single attenuation device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103095241A CN103095241A (en) | 2013-05-08 |
| CN103095241B true CN103095241B (en) | 2015-11-18 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201110349398.6A Active CN103095241B (en) | 2011-11-08 | 2011-11-08 | Double-range single attenuation device |
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| Country | Link |
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| CN (1) | CN103095241B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114659545B (en) * | 2022-04-29 | 2024-01-09 | 东风电驱动系统有限公司 | Double-range self-adaptive measurement method and device |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1046045A (en) * | 1989-03-31 | 1990-10-10 | 海德勒-魁北克 | Detect the portable detecting device of shelf depreciation in live electric cable or the equipment |
| CN1068691A (en) * | 1991-06-25 | 1993-02-03 | 莫托罗拉公司 | Best site selection apparatus |
| CN202276323U (en) * | 2011-11-08 | 2012-06-13 | 北京泛华恒兴科技有限公司 | Double-range single attenuation device |
-
2011
- 2011-11-08 CN CN201110349398.6A patent/CN103095241B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1046045A (en) * | 1989-03-31 | 1990-10-10 | 海德勒-魁北克 | Detect the portable detecting device of shelf depreciation in live electric cable or the equipment |
| CN1068691A (en) * | 1991-06-25 | 1993-02-03 | 莫托罗拉公司 | Best site selection apparatus |
| CN202276323U (en) * | 2011-11-08 | 2012-06-13 | 北京泛华恒兴科技有限公司 | Double-range single attenuation device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103095241A (en) | 2013-05-08 |
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Owner name: SHANGHAI ENAI INSTRUMENT CO., LTD. Free format text: FORMER OWNER: BEIJING FANHUA HENGXING TECHNOLOGY CO., LTD. Effective date: 20150731 |
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| C41 | Transfer of patent application or patent right or utility model | ||
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Effective date of registration: 20150731 Address after: 201203 forty-third, forty-fifth building 1387, 201203 Zhang Dong Road, Shanghai, Pudong New Area Applicant after: Beijing Fanhua Hengxing Technology Co., Ltd. Address before: 100192, A-4 building, No. 66 Xiao Dong Road, Beijing, Haidian District Applicant before: Beijing Fanhua Hengxing Technology Co., Ltd. |
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Address after: 201203 Zhang Dong Road, Shanghai, No. forty-third, building 1387, 45, Pudong New Area Applicant after: Beijing Fanhua Hengxing Technology Co., Ltd. Address before: 201203 forty-third, forty-fifth building 1387, 201203 Zhang Dong Road, Shanghai, Pudong New Area Applicant before: Beijing Fanhua Hengxing Technology Co., Ltd. |
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