CN207460196U - Optical signal receiving module and optica signal receivingl transmitting apparatus - Google Patents
Optical signal receiving module and optica signal receivingl transmitting apparatus Download PDFInfo
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Abstract
The utility model is related to technical field of photo communication, provide a kind of optical signal receiving module and optica signal receivingl transmitting apparatus.The optical signal receiving module includes photoelectric conversion unit, signal amplification unit and channel relay device.Photoelectric conversion unit is for the first optical signal of reception and is translated into the first electric signal output to signal amplification unit.Signal amplification unit is used to that the first electric signal to be amplified to generate the second electric signal and output this to channel relay device.Second electric signal includes the 3rd electric signal with the first transmission rate and the 4th electric signal with the second transmission rate.First transmission channel of channel relay device is used to that the 3rd electric signal to be recovered, amplified and forwarded and the 4th electric signal is recovered, amplified and forwarded.By using above-mentioned optical signal receiving module in optica signal receivingl transmitting apparatus, the power consumption, circuit volume and manufacture cost of optica signal receivingl transmitting apparatus can be significantly reduced, and improves signal receiving sensitivity.
Description
Technical field
The utility model is related to optical communication field, in particular to a kind of optical signal receiving module and optical signal transceiver
Device.
Background technology
With reference to Fig. 1, Fig. 1 shows the configuration diagram of typical optical communication network at present.Current typical optical communication net
Network is divided into core net, the access three parts such as net and residence network.
Wherein core net includes content distributing network, shares telephone-switching network, IP backbone network etc.；Accessing net includes light
Road terminal (OpticalLineTerminal, abbreviation OLT) equipment, NM server, optical splitter, ONT Optical Network Terminal
(OpticalNetworkTerminal, abbreviation ONT) equipment and optical network unit (OpticalNetworkUnit, abbreviation
ONU) equipment etc.；Residence network includes LAN, subscriber exchange, voice terminal and data terminal etc..Wherein core net is with connecing
Network by OLT device connect, access net be connected with residence network by ONT equipment, ONU equipment so that core net, access net with
And two-way communication can be carried out using optical signal between residence network.Typical downlink optical signal wavelength is 1550nm or 1490nm, allusion quotation
The uplink optical signal wavelength of type is 1310nm.
Optical module belongs to access mesh portions therein, is mainly used for receiving and dispatching photosignal and carrying out photoelectricity according to demand turning
It changes.Either in Ethernet passive optical network (Ethernet Passive Optical Network, abbreviation EPON) still
In gigabit passive optical network (Gigabit-capable Passive Optical Network, abbreviation GPON), optical mode
Block can all be divided into the OLT sidelights module in OLT device and the ONU sidelight module two types in ONU equipment.
Both optical modules have very big difference in technical indicator, it is impossible to mixed.
Wherein OLT sidelights module is to the response time requirement of dropout (LossofSignal, abbreviation LOS) detection function
At ns grades, and the optical module of ONU sides requirement at us grades, therefore in general the price of OLT sidelights module also than ONU sidelight modules
Price is higher by very much.Meanwhile in some prior arts, in order to make OLT sidelights module that dual rate signal be supported to receive,
OLT sidelight inside modules have used multiple amplifying units to be amplified respectively to the signal of different rates, cause OLT sidelight moulds
Block power consumption increases, and circuit volume increase, signal receiving sensitivity reduces, and according to set forth above, these amplifying units are also
Response time requirement of the optical module to signal loss detection function of OLT sides must is fulfilled for, OLT sidelights so will be further increased
The manufacture cost of module, is unfavorable for the promotion and popularization of optical communication network.
Utility model content
In view of this, the utility model embodiment provides a kind of optical signal receiving module and optica signal receivingl transmitting apparatus, with
Improve and support that the OLT sidelight modular manufactures that dual rate signal receives are of high cost in the prior art, power consumption is higher, and volume is larger to ask
Topic.
To achieve the above object, the utility model provides following technical solution：
In a first aspect, the utility model embodiment provides a kind of optical signal receiving module, including：Photoelectric conversion unit, with
The signal amplification unit of photoelectric conversion unit connection and the channel relay device being connected with signal amplification unit, wherein,
Photoelectric conversion unit is converted into the first electric signal for receiving the input of the first optical signal, by the first optical signal, and will
First electric signal output is to signal amplification unit；
Signal amplification unit is used to that the first electric signal to be amplified to generate the second electric signal, and the second electric signal includes tool
There are the 3rd electric signal of the first transmission rate and the 4th electric signal with the second transmission rate, by the second electric signal output extremely
Channel relay device；
Channel relay device is connected with exterior terminal, including the first transmission channel and the second transmission channel, the first transmission
Passage recovers the 3rd electric signal, amplifies to generate the 5th electric signal for receiving the 3rd electric signal, and by five electric signals
It exports to exterior terminal；Second transmission channel recovers the 4th electric signal, amplifies to generate for receiving the 4th electric signal
6th electric signal, and by six electric signal outputs to exterior terminal.
Optionally, dropout instruction port is provided on channel relay device, is connected with exterior terminal, for detecting
When being lost to the second electric signal, dropout indication signal is sent to exterior terminal.
Optionally, optical signal receiving module further includes：Control unit, it is single with channel relay device and signal amplification respectively
Member connection, for controlling channel relay device and signal amplification unit by the first default running parameter work.
Optionally, optical signal receiving module further includes：Power supply unit, respectively with photoelectric conversion unit, signal amplification unit,
Channel relay device and control unit connection, for photoelectric conversion unit, signal amplification unit, channel relay device and
Control unit is powered.
Optionally, optical signal receiving module further includes：Wave filter is connected with the first transmission channel, for filtering out the 5th electricity
Noise in signal and/or, be connected with the second transmission channel, for filtering out the noise in the 6th electric signal.
Optionally, the first transmission rate is no more than 2.5Gbps, and wave filter connects for low-pass filter and with the first transmission channel
It connects.
Optionally, signal amplification unit is limiting amplifier.
Second aspect, the utility model embodiment provides a kind of optica signal receivingl transmitting apparatus, including above-mentioned optical signal receiving
Block, optical signal sending module and control module；
Control module is connected respectively with optical signal receiving module and optical signal sending module, for optical signal to be controlled to receive
Module and optical signal sending module are by the second default running parameter work；
First optical signal is converted to the first electric signal and put by optical signal receiving module for receiving the first optical signal
Greatly, amplified 5th electric signal and the 6th electric signal are exported；
Optical signal sending module inputs for receiving the 7th electric signal, and the 7th electric signal is converted into the second optical signal, and
Export the second optical signal.
Optionally, optical signal sending module includes：The drive amplification unit and and drive amplification being connected with control module
The electrooptic switching element of unit connection；
Drive amplification unit is used to be amplified the 7th electric signal to generate the 8th electric signal, and the 8th electric signal is defeated
Go out to electrooptic switching element；
Electrooptic switching element is used to the 8th electric signal being converted into the second optical signal, and exports the second optical signal；
Control module works for drive amplification unit to be controlled to preset running parameter by the 3rd.
Optionally, optica signal receivingl transmitting apparatus further includes power supply module, respectively with photoelectric conversion unit, signal amplification unit,
Channel relay device, control module, drive amplification unit and electrooptic switching element connection, for photoelectric conversion unit, letter
Number amplifying unit, channel relay device, control module, drive amplification unit and electrooptic switching element power supply.
The advantageous effect that the utility model is realized：The optical signal receiving module and optical signal that the utility model embodiment provides
R-T unit, the signal amplification unit that the optical signal receiving module includes photoelectric conversion unit, is connected with photoelectric conversion unit
And the first optical signal of input is converted into first by the channel relay device being connected with signal amplification unit, photoelectric conversion unit
Electric signal exports the second electric signal to channel relay device, the first of channel relay device after signal amplification unit amplifies and passes
Defeated passage is used to that the 3rd electric signal in the second electric signal with the first transmission rate to be recovered, amplified and exported to outside
Terminal and the 4th electric signal to having the second transmission rate in the second electric signal are recovered, amplified and are exported to outside
Terminal.The optica signal receivingl transmitting apparatus includes the optical signal receiving module.So as to solve to support double speed in the prior art
The OLT sidelight modular manufactures that rate signal receives are of high cost, and power consumption is higher, and signal receiving sensitivity is poor and circuit volume is larger
The problems such as, be conducive to the promotion and popularization of optical communication network.
Description of the drawings
It, below will be to required use in embodiment in order to illustrate more clearly of the technical solution of the utility model embodiment
Attached drawing be briefly described, it should be understood that the following drawings illustrates only some embodiments of the utility model, therefore should not be by
Regard the restriction to scope as, for those of ordinary skill in the art, without creative efforts, may be used also
To obtain other relevant attached drawings according to these attached drawings.
Fig. 1 shows the configuration diagram of typical optical communication network at present；
Fig. 2 shows a kind of structure diagram for the optical signal receiving module that the utility model embodiment provides；
Fig. 3 shows a kind of connected mode schematic diagram of signal amplification unit and channel relay device；
Fig. 4 shows another connected mode schematic diagram of signal amplification unit and channel relay device；
Fig. 5 shows the structure diagram for the optical signal receiving module that another the utility model embodiment provides；
Fig. 6 shows the structure diagram for the optica signal receivingl transmitting apparatus that the utility model embodiment provides.
In figure, 1- optica signal receivingl transmitting apparatus；10- optical signal receiving modules；100- photoelectric conversion units；110- signals
Amplifying unit；120- channel relay devices；130- control units；140- power supply units；150- wave filters；20- optical signals
Sending module；200- drive amplification units；210- electrooptic switching elements；30- control modules；40- power supply modules.
Specific embodiment
Existing OLT sidelights module generally comprises the receiving channel for realizing photoelectric converting function and signal amplifying function, with
And realize the transmission channel of electro-optic conversion function and signal amplifying function.Amplitude limit may be employed in the signal amplification of wherein receiving channel
Amplifier.
In some existing technical solutions, such as in 10GEPON systems, further requirement OLT sidelight modules will be simultaneously
It supports the transmitting-receiving of the signal that transmission rate is 10Gbps and the signal that transmission rate is 1Gbps, that is, supports dual rate signal transmitting and receiving.
Support that multiple limiting amplifiers parallel connections generally can be used in the receiving channel of the OLT sidelight modules of dual rate signal transmitting and receiving or cascade comes
Realize that signal amplification receives.
For example, directly parallel connection two there can be the limiting amplifiers of different bandwidth to amplify transmission rate respectively as 10Gbps
Signal and signal that rate is 1Gbps, this solution power consumption and cost are relatively low, but due to the input to limiting amplifier
Signal is divided, therefore its presence signal integrity issue, and the receiving sensitivity of optical module can be declined, and signal is amplified
Performance have negative effect.
In another example multistage limiting amplifier can be used, and in afterbody, two amplitude limits with different bandwidth in parallel
Amplifier amplifies the signal that transmission rate is 10Gbps and the signal that rate is 1Gbps, this solution amplification effect respectively
It makes moderate progress, but due to the use of multistage multiple limiting amplifiers, power consumption and cost are higher, while also result in optical module
Circuit volume increases.In addition, the elaboration in background technology, response of the OLT sidelights module for signal loss detection function
Time requirement is higher, generally ns ranks, therefore the limiting amplifier used in OLT sidelight modules is different from ONU sidelight modules
The middle limiting amplifier used, cost is higher, if will cause OLT using multiple limiting amplifiers as in this programme
The cost of sidelight module significantly increases, and is highly detrimental to the popularization and popularization of optical communication equipment.
In view of the foregoing, inventor provides a kind of optical signal receiving by long-term research and substantial amounts of practice
Block and optica signal receivingl transmitting apparatus, to improve existing issue.
Below in conjunction with attached drawing in the utility model embodiment, the technical scheme in the embodiment of the utility model is carried out clear
Chu is fully described by, it is clear that the described embodiments are only a part of the embodiments of the utility model rather than whole realities
Apply example.Claimed sheet is not intended to limit to the detailed description of the embodiment of the utility model provided in the accompanying drawings below
The scope of utility model, but it is merely representative of the selected embodiment of the utility model.Embodiment based on the utility model, ability
Field technique personnel all other embodiments obtained on the premise of creative work is not made, belong to the utility model
The scope of protection.
First embodiment：
Fig. 2 shows a kind of structure diagram for the optical signal receiving module 10 that the utility model embodiment provides.With reference to figure
2, the signal amplification unit 110 that optical signal receiving module 10 includes photoelectric conversion unit 100, is connected with photoelectric conversion unit 100
And the channel relay device 120 being connected with signal amplification unit 110, optical signal receiving module 10 turn for receiving optical signal
It turns to electric signal and carries out signal amplification.The optical signal receiving module 10 that the utility model embodiment provides, can be used as OLT sides
The receiving channel of optical module for receiving and amplifying uplink optical signal, can also need opto-electronic conversion and signal to put at other
It is used under big scene.
Photoelectric conversion unit 100 inputs for receiving the first optical signal, and the first optical signal is converted into the first electric signal, and
By the first electric signal output to signal amplification unit 110.Photoelectric conversion unit 100 can be light-receiving component (Receiver
Optical Sub-Assembly, abbreviation ROSA), include but not limited to the YSRA343C-LC components that the present embodiment uses.Light
Receiving unit is chosen according to the transmission rate of the first optical signal, and the model of corresponding transmitting rate is supported in selection, such as
YSRA343C-LC components can support the first optical signal that maximum transmission rate is 10Gbps.It can be integrated in light-receiving component
Across a group amplifier (Trans-Impedance Amplifier, abbreviation TIA), the signal after opto-electronic conversion is tentatively amplified
To generate the first electric signal output, the first electric signal can be differential signal.
Signal amplification unit 110 is used to that the first electric signal to be amplified to generate the second electric signal, signal amplification unit
110 can be limiting amplifier (Limiting Amplifier, abbreviation LA), include but not limited to what the present embodiment used
MAX3945 chips.Limiting amplifier is chosen according to the transmission rate of the first electric signal, and corresponding transmitting rate is supported in selection
Model, such as MAX3945 chips can support the first electric signal that maximum transmission rate is 11.3Gbps.It will amplify through signal single
For first 110 amplified second electric signal outputs to channel relay device 120, the second electric signal can be differential signal.
Channel relay device 120 include the first transmission channel and the second transmission channel, can respectively to two paths of signals into
Row recovers, amplifies and forwards.The specific connection mode of signal amplification unit 110 and channel relay device 120 can be Fig. 3 or
Two ways shown in Fig. 4.With reference to Fig. 3, the second electric signal is differential signal, and the input of the first transmission channel is difference letter
Number, output is differential signal；The input of second transmission channel is differential signal, and output is differential signal.With reference to Fig. 4, the second electricity
Signal is differential signal, and the input of the first transmission channel is single-ended signal, and output is differential signal；The input of second transmission channel
It is single-ended signal, output is differential signal.It may be noted that Fig. 3 and the first transmission channel shown in Fig. 4, the second transmission channel with
Connection mode between signal amplification unit 110, although in the prior art after photoelectric conversion unit 100 directly two in parallel
The connection mode of limiting amplifier is similar, but due to the second electric signal for exporting after the amplification of signal amplification unit 110,
Belong to digital logic level, the input logic level requirement of channel relay device 120 can also be met even if in the presence of partial pressure, therefore
There is no signals in prior art because the signal receiving sensitivity caused by integrality difference is poor the problem of.
In the case of optical signal receiving module 10 carries out dual rate signal reception, the second electric signal includes having first to pass
3rd electric signal of defeated rate and the 4th electric signal with the second transmission rate, the 3rd electric signal and the 4th electric signal can be with
It is time division signal, i.e., in a certain particular moment, the second electric signal for the 3rd electric signal or is either the 4th electric signal.When second
When electric signal is three electric signal, the first transmission channel of channel relay device 120 recovers it, amplifies to generate the 5th
Electric signal, and by the 5th electric signal output to exterior terminal, such as OLT device, and the output signal of the second transmission channel at this time
Can ignore without using.When the second electric signal is four electric signal, the second transmission channel of channel relay device 120 to its into
Row recovers, amplifies to generate the 6th electric signal, and by the 6th electric signal output to exterior terminal, and the first transmission channel at this time
Output signal can ignore without using.
First transmission rate and second transmission rate are only mutually to distinguish, and are essentially all to refer to transmission
Rate, it is convenient to illustrate, when can clearly distinguish the first transmission rate and the second transmission rate, all it is referred to as transmission
Rate.For example, the transmission rate of the 3rd electric signal is 1Gbps, the transmission rate of the 4th electric signal is 10Gbps, channel relay
Device 120 respectively recovers it, amplify after from the 5th electric signal that the first transmission channel output transmission rate is 1Gbps, from second
Transmission channel output transmission rate is the 6th electric signal of 10Gbps.After 5th electric signal and the 6th electric signal output, by outer
Portion's terminal is handled, and is further amplified or is transmitted.Obviously, the first transmission channel and the second transmission channel and it is not specific to double
Some special modality of passage repeater 120, it is only for nominally distinguishing two transmission channels.
Channel relay device 120 can be repeater chips, include but not limited to the DS125BR111 that the present embodiment uses
Chip.In the prior art, the signal that repeater chips are generally used in coaxial cable or back board system recovers and forwarding.
In above system, since backboard and coaxial cable cabling are up to several inches, some is up to more than 10 a inches, high frequency component signal
Attenuation is very big, can cause the closure of signal eye diagram, so that signal is unable to receiving end and normally receives.Therefore in coaxial cable
Or in back board system, generally the signal received is recovered using repeater chips, then relays to receiving terminal.Tool
For body, repeater chips can use continuous time linear equalisation techniques to the signal after the attenuation that receives first
(Continuous Time Linear Equalization, abbreviation CTLE) carries out equilibrium, balanced to recover signal quality
Ability is up to 36dB, and the signal after equilibrium is amplified, and the deweighting technique of 12dB is employed up in transmitting, makes letter
Number eye pattern opens again, it is ensured that can receiving end normally receive.Repeater chips can also ensure the signal of input and output simultaneously
With identical multilevel type, such as CML level.
In view of the above-mentioned characteristic of repeater chips, inventor it has been investigated that, repeater chips may be employed to second
Electric signal is recovered, is amplified, and passes through the first transmission channel and the output of the second transmission channel, wherein using consecutive hours when receiving
Between linear equalisation techniques carry out signal recovery, handled when improving signal eye diagram quality, and emitting using deweighting technique,
Further improve signal quality.And in the prior art, limiting amplifier chip only uses deweighting technique to letter in transmitting
It number is handled, it is clear that the scheme of repeater chips is used in the utility model embodiment, signal receiving sensitivity is more preferably.
Signal recovery, amplification and forwarding are carried out using repeater chips in optical signal receiving module 10, compared with existing
The advantageous effect for having technology further includes：
From performance, using repeater chips except signal receives newly can be more excellent outer, since the middle chip that continues is in signal
Continuous time linear equalization is employed during transmitting-receiving respectively to be handled with deweighting technique team signal, therefore it is to as input
The quality requirement of second electric signal is not high, allows the attenuation for having bigger, this just relaxes the output signal of signal amplification unit 110
Quality, in other words, when signal amplification unit 110 is using limiting amplifier, postemphasising when emitting it requires unobvious,
Cheaper limiting amplifier thus can be selected.
From technical maturity, this kind of repeater chips have much on the market, technology maturation, and performance is stablized, price
Inexpensively, manufacture cost has been saved compared to using the existing scheme of multiple limiting amplifiers.
From circuit level, the volume of repeater chips is approximately equivalent to the volume of a limiting amplifier, compared to
Circuit volume is reduced using the existing scheme section of multiple limiting amplifiers；And the power consumption of repeater chips is also approximately equivalent to one
The power consumption of a limiting amplifier reduces circuit power consumption compared to using the existing scheme section of multiple limiting amplifiers.This for
It is even more important for SFP/SFP+ (Small Form-factor Pluggable) optical module of small package, this kind of optical module
Size and power consumption requirements are higher, and receiving channel is very suitable for the optical signal receiving module provided using the utility model embodiment
10。
Functionally, the generally achievable signal of the limiting amplifier in existing scheme amplifies, postemphasises, dropout is examined
Survey etc. functions, and repeater chips equally have the function of it is above-mentioned.According to illustrating before, optical signal receiving module 10 can conduct
The receiving channel of OLT sidelight modules, it is critical that response time requirement of the OLT sidelights module to signal loss detection function
At ns grades, and the repeater chips DS125BR111 that the present embodiment uses, the response time of signal loss detection function are reachable
35ns complies fully with the work requirements of OLT sidelight modules, can substitute multiple limiting amplifiers in existing scheme completely.Together
When existing scheme in, since limiting amplifier must also is fulfilled for the response time requirement of signal loss detection function, it is therefore necessary to
Using the limiting amplifier type of higher price, using multiple limiting amplifiers to meet the needs of dual rate signal receives,
It is with high costs.Therefore using repeater chips OLT has been saved on the basis of the response time of signal loss detection function is not influenced
The manufacture cost of sidelight module.Further, when having met the response of signal loss detection function due to repeater chips
Between require, if signal amplification unit 110 uses limiting amplifier, it is possible to using limiting amplifier type inexpensively,
Such as the response time for the signal loss detection function of being used in ONU sidelight modules may be employed as us grades of limiting amplifier,
It manufactures cost and further reduces.
It is to be further understood that the utility model embodiment provide light signal receiving can be completely applied to it is more
The situation that rate receives comprising the subsignals with different transmission rates at least two in i.e. the second electric signal, only needs at this time
Channel relay device 120 is replaced with multiple transmission channels, can at least two have different transmission rates signals into
The multi-channel relay device that row recovers, amplifies and forwards, it is similar with channel relay device 120, have on the market at present
Many such multi-channel relay device chips.
Optionally, dropout is provided on channel relay device 120 and indicates port to realize signal loss detection function,
The instruction port is connected with exterior terminal, when channel relay device 120 detect the second electric signal lose when, by the port to
Exterior terminal sends dropout indication signal.In the case of channel relay device 120 is repeater chips, dropout refers to
It can be the specific pin of one or more of chip to show port.
Optionally, optical signal receiving module 10 further includes control unit 130, respectively with channel relay device 120 and letter
Number amplifying unit 110 connects, and control unit 130 can set the work of channel relay device 120 and signal amplification unit 110
Parameter is to be allowed to work normally, and the running parameter is known as the first default running parameter work in the present embodiment.
Optionally, optical signal receiving module 10 further includes power supply unit 140, is put respectively with photoelectric conversion unit 100, signal
Big unit 110, channel relay device 120 and control unit 130 connect, single for amplifying to photoelectric conversion unit 100, signal
Member 110, channel relay device 120 and control unit 130 are powered.Power supply unit 140 can be powered by built-in power, can also
It is powered using external power supply.
In conclusion optical signal receiving module 10 provided in this embodiment by using channel relay device 120 to transmission
The different signal of rate is recovered, amplified and is forwarded, compared to the optical module that existing support dual rate signal receives,
Manufacture cost is relatively low, and power consumption is relatively low, and circuit small volume, scheme is relatively simple, and can fully achieve prior art
Function, it is important that its signal receiving sensitivity is also advantageous over prior art.
Second embodiment：
Fig. 5 shows the structure diagram for the optical signal receiving module 10 that another the utility model embodiment provides.Reference
Difference lies in filtering is provided between exterior terminal after the first transmission channel for Fig. 5, second embodiment and first embodiment
Device 150, for filtering out the noise in the 5th electric signal.If inventor the study found that the 5th electric signal is compared with low-rate signal,
Such as the signal that transmission rate is 1Gbps, and the 6th signal is higher rate signal, such as the letter that transmission rate is 10Gbps
Number, then it may include certain high frequency component signal in the 5th signal.In order to make the output performance of the first transmission channel more excellent,
The wave filter 150 can be arranged to low-pass filter, to filter out the high frequency component signal in the 5th electric signal.It is described relatively low
The transmission rate of rate signal is usually no more than 2.5Gbps.It is appreciated that after the first transmission channel and the second transmission channel
Can set wave filter 150 or other can optimize the electronic device of output performance.
3rd embodiment：
Fig. 6 shows the structure diagram for the optica signal receivingl transmitting apparatus 1 that the utility model embodiment provides.With reference to Fig. 6, light letter
Number R-T unit 1 includes optical signal receiving module 10, optical signal sending module 20 and the control that the utility model embodiment provides
Molding block 30, control module 30 are connected respectively with optical signal receiving module 10 and optical signal sending module 20, control module 30
The running parameter of optical signal receiving module 10 and optical signal sending module 20 can be set to be allowed to work normally, in this implementation
The running parameter is known as the second default running parameter work in example.
The optica signal receivingl transmitting apparatus 1 completely realizes the transmission-receiving function of optical signal, and practical value is higher, can be used for replacing
For existing OLT sidelights module, but not limited to this purposes.The receiving channel of optica signal receivingl transmitting apparatus 1 is light provided in this embodiment
Signal receiving device, according to illustrating before, optical signal receiving module 10 can receive the first optical signal, and the first optical signal is converted
It for the first electric signal and is amplified, exports amplified 5th electric signal and the 6th electric signal.Optica signal receivingl transmitting apparatus 1
Transmission channel is optical signal sending module 20, and for receiving electric signal, progress signal amplification simultaneously converts optical signal sending module 20
For optical signal.Specifically, optical signal sending module 20 can receive the input of the 7th electric signal, and the 7th electric signal is converted into the
Two optical signals, and export the second optical signal.
Optical signal sending module 20 includes the drive amplification unit 200 and and drive amplification that are connected with control module 30
The electrooptic switching element 210 that unit 200 connects.
Drive amplification unit 200 is for being amplified the 7th electric signal to generate the 8th electric signal, and by the 8th telecommunications
Number output is to electrooptic switching element 210.Drive amplification unit 200 can with when drive amplification chip, include but not limited to this implementation
The GN7152 chips that example uses, the chip can support the signal of the signal that transmission rate is 10Gbps and 1Gbps to be used as input,
If optical signal receiving module 10 can equally receive the signal that defeated rate is 10Gbps and the signal of 1Gbps is used as input,
It is mentioned in the preceding example that the optica signal receivingl transmitting apparatus 1 can be realized, required OLT sidelight modules in 10GEPON systems
Dual rate signal transmitting and receiving function, the i.e. optica signal receivingl transmitting apparatus 1 can substitute existing OLT sidelights module.Control module 30 is with driving
Dynamic amplifying unit 200 connects, and can set the running parameter of drive amplification unit 200, the running parameter claims in the present embodiment
For the 3rd default running parameter work.
Electrooptic switching element 210 is converted into the second optical signal for receiving the input of the 8th electric signal, by eight electric signals, and will
Second optical signal is exported to external system.Electrooptic switching element 210 can be light emission component (Transmitter Optical
Sub-Assembly, abbreviation TOSA), include but not limited to the YSTA542DG-LC components that the present embodiment uses.Light emitting group
Part is chosen according to the transmission rate of the 8th electric signal, and the model of corresponding transmitting rate, such as YSTA542DG- are supported in selection
LC components can support the 8th electric signal that maximum transmission rate is 10Gbps.
Optionally, optica signal receivingl transmitting apparatus 1 further includes power supply module 40, amplifies respectively with photoelectric conversion unit 100, signal
Unit 110, channel relay device 120, control module 30, drive amplification unit 200 and electrooptic switching element 210 connect, and use
In to photoelectric conversion unit 100, signal amplification unit 110, channel relay device 120, control module 30, drive amplification unit
200 and electrooptic switching element 210 power.Power supply module 40 can be powered by built-in power, can also be supplied using external power supply
Electricity.
In conclusion optica signal receivingl transmitting apparatus 1 can functionally substitute the OLT of existing support dual rate transmitting-receiving completely
Sidelight module simultaneously because its receiving channel employs the optical signal receiving module 10 of the utility model embodiment offer, is compared
In existing OLT sidelights module, manufacture cost is relatively low, and power consumption is relatively low, and circuit small volume, scheme is relatively simple, and signal connects
It receives functional, is conducive to the popularization and popularization of optical communication network.
To make the purpose, technical scheme and advantage of the utility model embodiment clearer, above in conjunction with the utility model
Attached drawing in embodiment clearly and completely describes the technical scheme in the embodiment of the utility model, it is clear that retouched
The embodiment stated is the utility model part of the embodiment, instead of all the embodiments.Usually here described in attached drawing and
The component of the utility model embodiment shown can configure to arrange and design with a variety of.
Therefore, requirement is not intended to limit to the detailed description of the embodiment of the utility model provided in the accompanying drawings more than
The scope of the utility model of protection, but it is merely representative of the selected embodiment of the utility model.Based in the utility model
Embodiment, those of ordinary skill in the art's all other embodiments obtained without creative efforts, all
Belong to the scope of the utility model protection.
It should be noted that：Similar label and letter represents similar terms in following attached drawing, therefore, once a certain Xiang Yi
It is defined, then it further need not be defined and explained in subsequent attached drawing in a attached drawing.
, it is necessary to explanation in the description of the utility model, term " " center ", " on ", " under ", it is "left", "right", " perpendicular
Directly ", the orientation of the instructions such as " level ", " interior ", " outer " or position relationship be based on orientation shown in the drawings or position relationship or
The utility model product using when the orientation usually put or position relationship, be for only for ease of description the utility model and letter
Change description rather than instruction or imply signified device or element must have specific orientation, with specific azimuth configuration and
Operation, therefore it is not intended that limitation to the utility model.In addition, term " first ", " second ", " the 3rd " etc. are only used for area
Divide description, and it is not intended that instruction or hint relative importance.
In addition, the terms such as term " level ", " vertical ", " pendency " are not offered as requiring component abswolute level or pendency, and
It is that can be slightly tilted.It is not to represent the structure if " level " only refers to that its direction is more horizontal with respect to for " vertical "
It has to fully horizontally, but can be slightly tilted.
In the description of the utility model, it is also necessary to which explanation, unless otherwise clearly defined and limited, term " are set
Put ", " installation ", " connected ", " connection " should be interpreted broadly, for example, it may be fixedly connected or be detachably connected,
Or it is integrally connected；Can be mechanical connection or electrical connection；It can be directly connected, intermediary can also be passed through
It is indirectly connected, can be the connection inside two elements.It for the ordinary skill in the art, can be according to specific feelings
Condition understands concrete meaning of the above-mentioned term in the utility model.
Claims (10)
1. a kind of optical signal receiving module, which is characterized in that including：Photoelectric conversion unit is connected with the photoelectric conversion unit
Signal amplification unit and the channel relay device that is connected with the signal amplification unit, wherein,
The photoelectric conversion unit inputs for receiving the first optical signal, and first optical signal is converted into the first electric signal,
And by first electric signal output to the signal amplification unit；
The signal amplification unit is used to that first electric signal to be amplified to generate the second electric signal, second telecommunications
Number include the 3rd electric signal with the first transmission rate and the 4th electric signal with the second transmission rate, by described second
Electric signal output is to the channel relay device；
The channel relay device is connected with exterior terminal, including the first transmission channel and the second transmission channel, described first
Transmission channel is used to receive the 3rd electric signal, and the 3rd electric signal is recovered, amplifies to generate the 5th electric signal, and will
Five electric signal output is to the exterior terminal；Second transmission channel is for receiving the 4th electric signal, to the described 4th
Electric signal recovered, amplifies to generate the 6th electric signal, and by six electric signal output to the exterior terminal.
2. optical signal receiving module according to claim 1, which is characterized in that be provided with letter on the channel relay device
Number instruction port is lost, be connected with the exterior terminal, for when detecting second electric signal loss, to the outside
Terminal sends dropout indication signal.
3. optical signal receiving module according to claim 1, which is characterized in that the optical signal receiving module further includes：
Control unit is connected respectively with the channel relay device and the signal amplification unit, for controlling in the binary channels
After device and the signal amplification unit by the first default running parameter work.
4. optical signal receiving module according to claim 3, which is characterized in that the optical signal receiving module further includes：
Power supply unit, respectively with the photoelectric conversion unit, the signal amplification unit, the channel relay device and the control
Unit connects, for the photoelectric conversion unit, the signal amplification unit, the channel relay device and the control
Unit is powered.
5. optical signal receiving module according to claim 1, which is characterized in that the optical signal receiving module further includes：
Wave filter is connected with first transmission channel, for filter out noise in the 5th electric signal and/or, with described second
Transmission channel connects, for filtering out the noise in the 6th electric signal.
6. optical signal receiving module according to claim 5, which is characterized in that first transmission rate is no more than
2.5Gbps, the wave filter are connected for low-pass filter and with first transmission channel.
7. optical signal receiving module according to claim 1, which is characterized in that the signal amplification unit is limited range enlargement
Device.
8. a kind of optica signal receivingl transmitting apparatus, which is characterized in that received including the optical signal any one of claim 1-7
Module, optical signal sending module and control module；
The control module is connected respectively with the optical signal receiving module and the optical signal sending module, for controlling
Optical signal receiving module and the optical signal sending module second is stated to work by default running parameter；
The optical signal receiving module is converted to first electricity for receiving first optical signal, by first optical signal
Signal is simultaneously amplified, and exports amplified 5th electric signal and the 6th electric signal；
The optical signal sending module is converted into the second light letter for receiving the input of the 7th electric signal, by the 7th electric signal
Number, and export second optical signal.
9. optica signal receivingl transmitting apparatus according to claim 8, which is characterized in that the optical signal sending module includes：With
The drive amplification unit of the control module connection and the electrooptic switching element being connected with the drive amplification unit；
The drive amplification unit is for being amplified the 7th electric signal to generate the 8th electric signal, and by the described 8th
Electric signal output is to the electrooptic switching element；
The electrooptic switching element is used to the 8th electric signal being converted into second optical signal, and exports second light
Signal；
The control module works for the drive amplification unit to be controlled to preset running parameter by the 3rd.
10. optica signal receivingl transmitting apparatus according to claim 9, which is characterized in that the optica signal receivingl transmitting apparatus further includes
Power supply module, respectively with the photoelectric conversion unit, the signal amplification unit, the channel relay device, the control mould
Block, the drive amplification unit and electrooptic switching element connection, for being put to the photoelectric conversion unit, the signal
Big unit, the channel relay device, the control module, the drive amplification unit and the electrooptic switching element supply
Electricity.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721339321.XU CN207460196U (en) | 2017-10-18 | 2017-10-18 | Optical signal receiving module and optica signal receivingl transmitting apparatus |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721339321.XU CN207460196U (en) | 2017-10-18 | 2017-10-18 | Optical signal receiving module and optica signal receivingl transmitting apparatus |
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| CN207460196U true CN207460196U (en) | 2018-06-05 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107579781A (en) * | 2017-10-18 | 2018-01-12 | 成都优博创通信技术股份有限公司 | Optical signal receiving module and optica signal receivingl transmitting apparatus |
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2017
- 2017-10-18 CN CN201721339321.XU patent/CN207460196U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107579781A (en) * | 2017-10-18 | 2018-01-12 | 成都优博创通信技术股份有限公司 | Optical signal receiving module and optica signal receivingl transmitting apparatus |
| CN107579781B (en) * | 2017-10-18 | 2024-04-12 | 成都优博创通信技术股份有限公司 | Optical signal receiving module and optical signal transmitting/receiving device |
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Address after: 610000 Sichuan Chengdu Shuangliu Economic Development Zone Industrial Zone, Shuangliu District, Sichuan Province Patentee after: Chengdu youbochuang Communication Technology Co.,Ltd. Address before: 610000 Sichuan Chengdu Shuangliu Economic Development Zone Industrial Zone, Shuangliu District, Sichuan Province Patentee before: CHENGDU SUPERXON INFORMATION TECHNOLOGY Co.,Ltd. |
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Effective date of registration: 20240512 Address after: No. 666 Shaojia Street, Southwest Airport Economic Development Zone, Shuangliu District, Chengdu City, Sichuan Province, 610200 Patentee after: Chengdu Zhiying Chuangxun Communication Technology Co.,Ltd. Country or region after: China Address before: 610000 Industrial Concentration Zone of Southwest Airport Economic Development Zone, Shuangliu District, Chengdu City, Sichuan Province Patentee before: Chengdu youbochuang Communication Technology Co.,Ltd. Country or region before: China |