CN202889352U - Light receiving and transmitting integrated module - Google Patents
Light receiving and transmitting integrated module Download PDFInfo
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- CN202889352U CN202889352U CN 201220539964 CN201220539964U CN202889352U CN 202889352 U CN202889352 U CN 202889352U CN 201220539964 CN201220539964 CN 201220539964 CN 201220539964 U CN201220539964 U CN 201220539964U CN 202889352 U CN202889352 U CN 202889352U
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Abstract
The utility model relates to a module and particularly relates to a light receiving and transmitting integrated module mainly comprising a laser transmitter, a laser receiver and a control circuit board. The control circuit board comprises a driving circuit, a microprocessor, a first clock data recovery circuit and a second clock data recovery circuit; the laser receiver is used for converting a received light signal into an electric signal; and the electric signal is input to the input end of the driving circuit through the second clock data recovery circuit and the microprocessor, input to the input end of the laser transmitter after being amplified by the driving circuit, converted into a light signal through the laser transmitter and output from the signal output end of the module. Compared with the prior art, the light receiving and transmitting integrated module takes 14-PIN tail fiber type 10G electric absorption modulation laser transmitter as a light source of the light receiving and transmitting integrated module and has the advantages of simple structure, built-in refrigerator, strong antijamming capability, good heat radiation property, stable wavelength, temperature controllability and capability of meeting the requirement for long-distance and high-capacity signal transmission.
Description
Technical field
The utility model relates to a kind of module, more particularly, relates to a kind of integrated module of optical transceiver.
Background technology
Along with developing rapidly of Networks of Fiber Communications, transmission network and switching network most of realization digitlization, high speed and fiberize.Meanwhile, the development of Access Network is not caught up with relatively.Because user's demand class of business and data volume day by day increasing, except the narrow band service that requires to provide traditional, also require to provide high speed broadband service.And " last kilometer " of Optical Access Network remains limit fibre to a large obstacle at family, and main cause is because of its cost costliness.The light-receiving integrated module plays decisive factor as the core components and parts of Access Network.The optical transceiver module technology that present transmission rate reaches 2.5Gb/s is ripe, and the module of 10Gb/s also is widely used, also will be by wilderness demand in future.And the 10G optical module all is the module that integrates compact transmitter (claiming TOSA) and small size receiver (claiming again ROSA) in the market, optical transceiver module is at work because volume is little like this, cause electromagnetic interference large, and it is bad to dispel the heat, need to add heat dissipation equipment, optical module could work.For this problem, this programme is packaged as a whole band tail-fiber type 14-pin generating laser (claim not only EML) and laser pickoff (but also claiming ROSA), and make the external circuits plate consistent with the international standard electrical interface, like this because the module volume is large, intact solution the small light module disturb and heat dissipation problem, and performance is good, and working stability is for 10G optical communication development provides the reliable and stable integrated module of optical transceiver.
Summary of the invention
In order to overcome above-mentioned the deficiencies in the prior art, the utility model provides a kind of integrated module of optical transceiver.Its is packaged as a whole band tail-fiber type 14-pin generating laser (claim not only EML) and laser pickoff (but also claiming ROSA), and make the external circuits plate consistent with the international standard electrical interface, like this because the module volume is large, intact solution the problem that small light module electromagnetic interference is large and heat radiation is bad, and performance is good, working stability is for 10G optical communication development provides the reliable and stable integrated module of optical transceiver.
In order to realize the foregoing invention purpose, the technical scheme that the utility model is taked is: a kind of integrated module of optical transceiver, mainly comprise generating laser, laser pickoff and control circuit board, its characteristics are: described control circuit board comprises drive circuit, microprocessor, the first clock data recovery circuit and second clock data recovery circuit, described laser pickoff converts the light signal that receives to the input that is input to described drive circuit behind the signal of telecommunication by described second clock data recovery circuit and microprocessor, after described drive circuit amplifies, be input to again the input of described generating laser, convert the electrical signal to light signal by the signal output part output of module through described generating laser.
Input/output port in the described microprocessor is connected with described drive circuit chip.
Input/output port in the described microprocessor is connected with described the first clock data recovery circuit, second clock data recovery circuit respectively.
Described generating laser adopts tail-fiber type 14-PIN electro-absorption modulation generating laser.
Described laser pickoff adopts tail-fiber type PIN miniature laser receiver.
The utility model beneficial effect is: a kind of integrated module of optical transceiver, mainly comprise generating laser, laser pickoff and control circuit board, its characteristics are: described control circuit board comprises drive circuit, microprocessor, the first clock data recovery circuit and second clock data recovery circuit, described laser pickoff converts the light signal that receives to the input that is input to described drive circuit behind the signal of telecommunication by described second clock data recovery circuit and microprocessor, after described drive circuit amplifies, be input to again the input of described generating laser, convert the electrical signal to light signal by the signal output part output of module through described generating laser.Compared with the prior art, the utility model adopts 14-PIN tail-fiber type 10G electro-absorption modulation generating laser as the light source of the integrated module of optical transceiver, have simple in structure, built-in refrigerator, anti-interference strong, good heat dissipation, Wavelength stabilized, temperature is controlled, has the advantage that satisfies the large capacity signal transmission of long distance.
Description of drawings
Fig. 1 is the utility model schematic block circuit diagram.
Embodiment
The utility model is described in further detail below in conjunction with Fig. 1.
As shown in Figure 1, described light signal is connected with the laser pickoff input by the module by signal input port, described laser pickoff output is connected with second clock data recovery circuit input, and described second clock data recovery circuit is connected with input/output port in the described microprocessor; Input/output port in the described microprocessor is connected with described the first clock data recovery circuit, described the first clock data recovery circuit output is connected with described drive circuit input, described drive circuit chip is connected with the microprocessor input/output port, described drive circuit output is connected with the described optical transmitting set input of paying, and described generating laser output is connected with the module by signal output.The specific works process is as follows:
This module places among the optical fiber communication main line by the golden finger access standard socket of 30pin, realizes emission and the reception of inter-provincial or intercity light signal.The interface that this module is connected with light path has two, and one is the tail optical fiber of generating laser, and another one is the tail optical fiber of laser pickoff.The Main Function of the integrated module of optical transceiver is acceptance and the emission of light signal, laser pickoff will receive, amplify through the faint optical signal after the long distance of optical cable, convert the signal of telecommunication to and convert the comparatively desirable signal of telecommunication to after through the recovery of clock data recovery circuit and shaping, this signal of telecommunication converts light signal to by generating laser again and launches, optical cable transmission through long distance, arrive the laser pickoff of the next integrated module of optical transceiver, just can receive the information that sends.This process has just realized emission and the reception of information, thereby reaches the effect of communication process repeater.The optical wavelength that each integrated module of optical transceiver is used is different, transmits when realizing the interior signal of certain optical band through wavelength division multiplexing, realizes the transfer of data of high-speed wideband.Input/output port in the described microprocessor mainly is responsible for IIC communication, for the treatment of the communication data between module and the testing host, and generating laser and laser pickoff is controlled and monitors.The main pin of described clock data recovery circuit connects the differential signal input and output side, is used for the transmission of data is carried out in advance and recovery.During the assembling integrated module of optical transceiver, at first generating laser and laser pickoff are welded on the relevant position that circuit board is reserved pad, then carry out the assembling of housing, at last tail optical fiber and the end face of generating laser and laser pickoff are checked, qualifiedly just can carry out performance test afterwards.
Claims (5)
1. integrated module of optical transceiver, mainly comprise generating laser, laser pickoff and control circuit board, it is characterized in that: described control circuit board comprises drive circuit, microprocessor, the first clock data recovery circuit and second clock data recovery circuit, described laser pickoff converts the light signal that receives to the input that is input to described drive circuit behind the signal of telecommunication by described second clock data recovery circuit and microprocessor, after described drive circuit amplifies, be input to again the input of described generating laser, convert the electrical signal to light signal by the signal output part output of module through described generating laser.
2. described a kind of integrated module of optical transceiver according to claim 1, it is characterized in that: the input/output port in the described microprocessor is connected with described drive circuit chip.
3. described a kind of integrated module of optical transceiver according to claim 1, it is characterized in that: the input/output port in the described microprocessor is connected with described the first clock data recovery circuit, second clock data recovery circuit respectively.
4. described a kind of integrated module of optical transceiver according to claim 1, it is characterized in that: described generating laser adopts tail-fiber type 14-PIN electro-absorption modulation generating laser.
5. described a kind of integrated module of optical transceiver according to claim 1, it is characterized in that: described laser pickoff adopts tail-fiber type PIN miniature laser receiver.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220539964 CN202889352U (en) | 2012-10-22 | 2012-10-22 | Light receiving and transmitting integrated module |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220539964 CN202889352U (en) | 2012-10-22 | 2012-10-22 | Light receiving and transmitting integrated module |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202889352U true CN202889352U (en) | 2013-04-17 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220539964 Expired - Fee Related CN202889352U (en) | 2012-10-22 | 2012-10-22 | Light receiving and transmitting integrated module |
Country Status (1)
| Country | Link |
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| CN (1) | CN202889352U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105515715A (en) * | 2015-11-24 | 2016-04-20 | 上海欣诺通信技术有限公司 | Wavelength-division-multiplexing-based ethernet passive optical network transmission system and method |
| WO2018040108A1 (en) * | 2016-09-05 | 2018-03-08 | 飞昂通讯科技南通有限公司 | High-speed low-power-consumption light transceiving chip |
| CN110646901A (en) * | 2019-10-21 | 2020-01-03 | 中国南方电网有限责任公司超高压输电公司 | Novel electric trigger thyristor converter valve optical signal transmission system in converter station |
-
2012
- 2012-10-22 CN CN 201220539964 patent/CN202889352U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105515715A (en) * | 2015-11-24 | 2016-04-20 | 上海欣诺通信技术有限公司 | Wavelength-division-multiplexing-based ethernet passive optical network transmission system and method |
| WO2018040108A1 (en) * | 2016-09-05 | 2018-03-08 | 飞昂通讯科技南通有限公司 | High-speed low-power-consumption light transceiving chip |
| US10469173B2 (en) | 2016-09-05 | 2019-11-05 | Wingcomm Co. Ltd. | High-speed low-power-consumption optical transceiver chip |
| CN110646901A (en) * | 2019-10-21 | 2020-01-03 | 中国南方电网有限责任公司超高压输电公司 | Novel electric trigger thyristor converter valve optical signal transmission system in converter station |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130417 Termination date: 20131022 |