CN204442385U - Receiving device of giving out light limit by a kind of low-power consumption band - Google Patents
Receiving device of giving out light limit by a kind of low-power consumption band Download PDFInfo
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- CN204442385U CN204442385U CN201520164588.4U CN201520164588U CN204442385U CN 204442385 U CN204442385 U CN 204442385U CN 201520164588 U CN201520164588 U CN 201520164588U CN 204442385 U CN204442385 U CN 204442385U
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Abstract
The utility model relates to a kind of low-power consumption band and limits receiving device of giving out light, and comprise photo detector chip and amplifier chip, be integrated with limiting amplifier in described amplifier chip, described photo detector chip is connected with amplifier chip.Compared with prior art, the utility model improves light receiving efficiency through line optimization, and the inside of amplifier is integrated with limiting amplifier, not only makes optical receiver cost obtain reduction by a relatively large margin, further reduces the power consumption of light receiving element; In addition, light receiving element of the present utility model is applicable to the communication equipment of various shape and structure, do not change current standard, there is the advantage that light path is consistent with existing light receiving element with mechanical structure aspect, simultaneously, the material that the utility model is selected all meets the requirement of high reliability, is suitable for middle and long distance optical transmission system.
Description
Technical field
The utility model relates to a kind of optic communication device in the communications industry, is specifically related to a kind of low-power consumption band and limits receiving device of giving out light.
Background technology
In optical transmission system, generally all comprise the light receiving element of a Signal reception, light receiving element comprises one for putting shell, optical lens, a tail optical fiber composition of chip and components and parts.Light signal to detector chip, and changes into the signal of telecommunication by detector chip by Optical Fiber Transmission, and current signal amplifies thus realizes light signal through trans-impedance amplifier and is converted to the signal of telecommunication by the signal of telecommunication, then through optical cable transmission.
In optical transmission system application, two important technical requirements are had to be that designer is concerned about especially: one is that light signal becomes the signal of telecommunication and the transformation efficiency that can be effectively recognized, and usually says the sensitivity of receiver; Another is whether the power consumption of light receiving element is enough little.
At present a lot of company optical receiver of all adopting the amplifier chip of high-performance low-power-consumption to come required for design system, but this way has following two shortcomings:
1) amplifier chip needs from external import and expensive;
2) currently used amplifier chip fails limiting amplifier to be integrated together, and needs additional configuration, and such power consumption will inevitably increase further.
As seen from the above analysis, a optical receiver is not also had limiting amplifier can be integrated into inside at present and effectively sinking low-power consumption.
Utility model content
The purpose of this utility model is: for the above-mentioned technical problem existed in prior art, a kind of low-power consumption receiver being suitable for optical transport is provided, improve light receiving efficiency through line optimization, inside is integrated with limiting amplifier, makes optical receiver cost obtain reduction by a relatively large margin.
The utility model is achieved through the following technical solutions:
Receiving device of giving out light limit by a kind of low-power consumption band, and comprise photo detector chip and amplifier chip, be integrated with limiting amplifier in described amplifier chip, described photo detector chip is connected with amplifier chip.
As preferably, between described photo detector chip and amplifier chip, be provided with the routing electric capacity of 1nF.
As preferably, described photo detector chip and amplifier chip adopt gold thread to be connected, and described gold thread adopts 25 microns of high-purity spun golds.
As preferably, the PD that described photo detector chip adopts WOORIRO company to produce, the LS1191 that described amplifier chip adopts Lightsemi company to produce.
In sum, owing to have employed technique scheme, the beneficial effects of the utility model are:
1, compared with prior art, the utility model improves light receiving efficiency through line optimization, and the inside of amplifier is integrated with limiting amplifier, not only makes optical receiver cost obtain reduction by a relatively large margin, further reduces the power consumption of light receiving element.
2, light receiving element of the present utility model is applicable to the communication equipment of various shape and structure, do not change current standard, there is the advantage that light path is consistent with existing light receiving element with mechanical structure aspect, simultaneously, the material that the utility model is selected all meets the requirement of high reliability, is suitable for middle and long distance optical transmission system.
Accompanying drawing explanation
The utility model illustrates by example and with reference to the mode of accompanying drawing, wherein:
Fig. 1 is light receiving element external structure schematic diagram;
Fig. 2 is light receiving element internal structure schematic diagram;
Fig. 3 is light receiving element schematic diagram;
Mark in figure: 1-electric capacity, 2-photo detector chip, 3-amplifier chip, 4-tail optical fiber joint, 5-tail optical fiber, 6-shell.
Embodiment
By reference to the accompanying drawings the utility model is described in further detail now.These accompanying drawings are the schematic diagram of simplification, only basic structure of the present utility model are described in a schematic way, and therefore it only shows the formation relevant with the utility model.
As shown in Figure 1 to Figure 3, receiving device of giving out light limit by a kind of low-power consumption band, comprise photo detector chip 2 and amplifier chip 3, limiting amplifier is integrated with in described amplifier chip 3, described photo detector chip 2 is connected with amplifier chip 3, and described photo detector chip 2 and amplifier chip 3 adopt 25 microns of high-purity spun golds to be connected.
The routing electric capacity 1 of 1nF is provided with between described photo detector chip 2 and amplifier chip 3.The PD that described photo detector chip 2 adopts WOORIRO company to produce, the LS1191 that described amplifier chip 3 adopts Lightsemi company to produce.
The both positive and negative polarity of photo detector chip 2 connects PDA and PDC respectively, and VCC1 connects 1nf electric capacity 1, chip and optical lens is carried out sealing soldering and sealing, then is connected with tail optical fiber 5 by these semi-finished product laser welding process.The utility model structure meets mainstream applications, inner by the shell 6 components and parts such as chip, amplifier, electric capacity being put into sealing, then introduces, light by tail optical fiber joint 4 access device with tail optical fiber 5.
The utility model is as follows through test key index:
Optical receiver sensitivity :-21dBm (test condition: BER=E-12, PRBS=2
31-1)
Optical receiver power consumption: 105.6mW (containing limiting amplifier)
The product index that under equal conditions, other company makes is as follows:
Optical receiver sensitivity :-18.5dBm (test condition: BER=E-12, PRBS=2
31-1)
Optical receiver power consumption: 240mW (containing limiting amplifier)
As can be seen from this test, under identical testing conditions, there is obvious advantage in the utility model in the power consumption of optical receiver, has the advantage of high sensitivity, low-power consumption.
Above-described specific embodiment, further describes the purpose of this utility model, technical scheme and beneficial effect, and institute it should be understood that and the foregoing is only specific embodiment of the utility model, is not limited to the utility model.The utility model expands to any new feature of disclosing in this manual or any combination newly, and the step of the arbitrary new method disclosed or process or any combination newly.
Claims (6)
1. a receiving device of giving out light limit by low-power consumption band, and it is characterized in that, comprise photo detector chip and amplifier chip, be integrated with limiting amplifier in described amplifier chip, described photo detector chip is connected with amplifier chip.
2. receiving device of giving out light limit by a kind of low-power consumption band as claimed in claim 1, it is characterized in that, is provided with the routing electric capacity of 1nF between described photo detector chip and amplifier chip.
3. receiving device of giving out light limit by a kind of low-power consumption band as claimed in claim 1 or 2, and it is characterized in that, described photo detector chip and amplifier chip adopt gold thread to be connected.
4. receiving device of giving out light limit by a kind of low-power consumption band as claimed in claim 3, and it is characterized in that, described gold thread adopts 25 microns of high-purity spun golds.
5. receiving device of giving out light limit by a kind of low-power consumption band as claimed in claim 1 or 2, it is characterized in that, the PD that described photo detector chip adopts WOORIRO company to produce.
6. receiving device of giving out light limit by a kind of low-power consumption band as claimed in claim 1 or 2, it is characterized in that, the LS1191 that described amplifier chip adopts Lightsemi company to produce.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520164588.4U CN204442385U (en) | 2015-03-19 | 2015-03-19 | Receiving device of giving out light limit by a kind of low-power consumption band |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520164588.4U CN204442385U (en) | 2015-03-19 | 2015-03-19 | Receiving device of giving out light limit by a kind of low-power consumption band |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204442385U true CN204442385U (en) | 2015-07-01 |
Family
ID=53610196
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520164588.4U Expired - Fee Related CN204442385U (en) | 2015-03-19 | 2015-03-19 | Receiving device of giving out light limit by a kind of low-power consumption band |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204442385U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106160874A (en) * | 2015-03-19 | 2016-11-23 | 铭鑫光电科技（镇江）有限公司 | A kind of low-power consumption band limits receiving device of giving out light |
-
2015
- 2015-03-19 CN CN201520164588.4U patent/CN204442385U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106160874A (en) * | 2015-03-19 | 2016-11-23 | 铭鑫光电科技（镇江）有限公司 | A kind of low-power consumption band limits receiving device of giving out light |
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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: 20150701 Termination date: 20160319 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |