CN205958801U - Twin -channel CWDM receives and dispatches integrative optical -electric module - Google Patents
Twin -channel CWDM receives and dispatches integrative optical -electric module Download PDFInfo
- Publication number
- CN205958801U CN205958801U CN201620039895.4U CN201620039895U CN205958801U CN 205958801 U CN205958801 U CN 205958801U CN 201620039895 U CN201620039895 U CN 201620039895U CN 205958801 U CN205958801 U CN 205958801U
- Authority
- CN
- China
- Prior art keywords
- base
- optical
- electric module
- converter
- cwdm
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Landscapes
- Optical Communication System (AREA)
- Optical Couplings Of Light Guides (AREA)
Abstract
The utility model is suitable for a photoelectric conversion technology field provides a twin -channel CWDM receives and dispatches integrative optical -electric module, the integrative optical -electric module of CWDM receiving and dispatching includes the base, with photoelectric converter and electric optical converter on the base are located to the base assembled spare that the base is connected, locate PCB circuit board on the base assembled spare, photoelectric converter and electric optical converter connect respectively PCB circuit board, the briquetting will photoelectric converter and electric optical converter press and are in admittedly on the base, upper cover gai yu the top surface of base, SFP dust plug passes the base cover is located on photoelectric converter and the electric optical converter, first panel beating shroud in on base and the base assembled spare. The product design is simplified, and the stable performance is reliable to the low power dissipation increases throughput, bandwidth multiplication on mutually unidimensional panel, and nimble and effective network deployment mode reduces networking and maintenance cost, this simple structure, low cost, energy -concerving and environment -protective.
Description
Technical field
The utility model belongs to technical field of photo communication, more particularly, to a kind of twin-channel CWDM transceiver photoelectricity mould
Block.
Background technology
Realize photoelectricity, the converted function of electric light.Compact SFP optical module is mainly used in Ethernet, SONET system
Transmission.With the rapid growth of Network, the requirement more and more higher to bandwidth and level of integrated system for the network, original system
The requirement of data volume growth can not be met, the Compact SFP module of this high integration can increase exponentially original
SFP panel space, improves port utilization ratio, improves data throughout, reduces network equipment cost.
The main contents of the standard of foundation, laws and regulations and technical protocol：1. Compact SFP MSA agreement；
2.SFF-8472_Rev11.3 agreement；3.Telcordia GR468-CORE；4.RoHS.
Utility model content
The purpose of this utility model is to provide a kind of twin-channel CWDM transceiver optical-electric module it is intended to solve SFP
The technical problem that high cost, integrated level are low, single fiber is unidirectional.
The utility model is achieved in that a kind of twin-channel CWDM transceiver optical-electric module, described CWDM transmitting-receiving
One optical-electric module includes base, the base mounting member being connected with described base, the optical-electrical converter on base and electric light
Converter, the PCB on described base mounting member, described optical-electrical converter and electrical to optical converter connect described respectively
PCB, by solid to described optical-electrical converter and electrical to optical converter pressure on described base, upper lid is placed on described base to briquetting
Top surface, SFP dust plug passes through described base sheath on described optical-electrical converter and electrical to optical converter, and the first panel beating cover is placed on institute
State on base and base mounting member.
Further technical scheme of the present utility model is：Described CWDM transceiver optical-electric module also includes slide block and bullet
Spring, on described base, described spring one end connects described slide block, the other end of described spring and described base to described slide block
On T-shaped projection contacts, described slide block and spring cover under described upper lid.
Further technical scheme of the present utility model is：Described CWDM transceiver optical-electric module also includes shaking hands, described
On described base, the handle of described handle is provided with encapsulated handle.
Further technical scheme of the present utility model is：Described CWDM transceiver optical-electric module also includes the second panel beating cover
And tag board, described second panel beating covers on described base mounting member, and described tag board is on described second panel beating cover.
Further technical scheme of the present utility model is：Described PCB is provided with FPC, microprocessor, communication connect
Mouth, LD modulation current unit and LD bias current unit and reception operational amplifier, the output end of described FPC receives fortune through described
Calculate the input that amplifier connects described microprocessor, the output end of described microprocessor connects the input of described FPC, described
The described LD of connection of microprocessor modulates the control end of electric current, and the output end of described bias current connects described LD and modulates electric current
Input.
Further technical scheme of the present utility model is：It is provided between described PCB and described base mounting member and lead
Hot silica gel.
Further technical scheme of the present utility model is：Described spring is two, and two springs are respectively arranged on described slide block
Both sides.
Further technical scheme of the present utility model is：Described briquetting is fixed on described base by screw.
Further technical scheme of the present utility model is：Described upper lid is by two screws on described base.
Further technical scheme of the present utility model is：Described first panel beating cover is adopted with described base and base mounting member
It is connected together.
The beneficial effects of the utility model are：Product more simplifies in design aspect, stable and reliable for performance, and power consumption
Low, increased data throughout, bandwidth multiplication on the panel of same size, flexibly with effective networking mode, reduce net
Network is built and maintenance cost；This structure is simple, with low cost, energy-conserving and environment-protective.
Brief description
Fig. 1 is the exploded view of twin-channel CWDM transceiver optical-electric module that the utility model embodiment provides.
Fig. 2 is the electrooptic switching element theory diagram that the utility model embodiment provides.
Fig. 3 is the photoelectricity transformation principle block diagram that the utility model embodiment provides.
Fig. 4 is the IC pin definitions schematic diagram that the utility model embodiment provides.
Fig. 5 is that twin-channel CWDM transceiver optical-electric module overall structure that the utility model embodiment provides is illustrated
Figure.
Specific embodiment
Fig. 1-5 shows a kind of twin-channel CWDM transceiver optical-electric module that the utility model provides, described CWDM
Transceiver optical-electric module includes base 3, the base mounting member 14 being connected with described base 3, the opto-electronic conversion on base 3
Device and electrical to optical converter, the PCB 13 on described base mounting member 14, described optical-electrical converter and electrical to optical converter
Connect described PCB 13 respectively, described optical-electrical converter and electrical to optical converter are pressed admittedly on described base 3 by briquetting 10,
Upper lid 8 is placed on the top surface of described base, and SFP dust plug 7 is sheathed on described optical-electrical converter and electro-optic conversion through described base 3
On device, the first panel beating cover 12 is placed on described base 3 and base mounting member 14.
Described CWDM transceiver optical-electric module also includes slide block and spring, described slide block 5 on described base 3, institute
State spring 4 one end and connect described slide block 5, the T-shaped projection contacts on the other end of described spring 4 and described base 3, described slide block
5 and spring 4 cover in described upper lid 8 under.
Described CWDM transceiver optical-electric module also includes shaking hands 6, described handle 6 on described base 3, described handle
6 handle is provided with encapsulated.
Described CWDM transceiver optical-electric module also includes the second panel beating cover 2 and tag board 1, and described second panel beating cover 2 sets
On described base mounting member 14, described tag board 1 is on described second panel beating cover 2.
Described PCB 13 is provided with FPC, microprocessor, communication interface, LD modulation current unit and LD bias current
Unit and reception operational amplifier, the output end of described FPC connects the defeated of described microprocessor through the described operational amplifier that receives
Enter end, the output end of described microprocessor connects the input of described FPC, the connection described LD modulation electric current of described microprocessor
Control end, the output end of described bias current connects the input that described LD modulates electric current.
It is provided with heat conduction silica gel 16,17, on described microprocessor between described PCB 13 and described base mounting member 14
It is provided with heat conduction silica gel 15.
Described spring 4 is two, and two springs 4 are respectively arranged on the both sides of described slide block 5.
Described briquetting 10 is fixed on described base 3 by screw.
Described upper lid 8 passes through two screws 9 on described base 3.
Described first panel beating cover 12 and described base and base mounting member are using being connected together.
Compact SFP 1.25G 1490＆1550nm CWDM module mainly include electro-optic conversion part, opto-electronic conversion and
Numerical diagnostic part.Wherein, office data delivers to the electro-optic device of module after treatment, uses CWDM laser by modulation
Device is coupled into optical fiber, then carries out closing ripple by CWDM wavelength-division multiplex, and the optical signal of multichannel different wave length is coupled to an optical fiber
In be transmitted, each signal is to be overlapped mutually on power, is separate, receiving terminal is by demultiplexer not on frequency spectrum
The optical signal of co-wavelength is given to photodiode and is converted into electric signal, amplifies through two-level operating amplifier and delivers to user after processing
End.Two passages are had, each passage achieves receipts in every Compact SFP 1.25G 1490＆1550nm CWDM module
Send out the function of one, whole module includes two kinds of different launch wavelengths, two kinds of different reception wavelength, generally same lead to
Launch wavelength in road is equal to 60nm with received wave long spacing.
Compact SFP 1.25G 1490＆1550nm CWDM module is by highly integrated circuit part, photoelectric device Mini
BOSA part is formed with shell mechanism part.
Integrated circuit portion includes PCB printed circuit board (PCB), FPC and integrated IC.Integrated circuit provides electrical communications interface, LD
Bias current, LD modulation electric current, reception operational amplifier and some status function judgement units, FPC is PCBA and optical device
The electrical connection effect of BOSA, and provide PINTIA with shell contact insulation protection.Integrated IC realizes operating voltage, work temperature
Degree, transmitting luminous power, bias current, received optical power DDM monitoring function, have temperature compensation function, by look-up table simultaneously
Make extinction ratio export a more constant value at 0 ~ 70 DEG C, write-protect operation can be carried out to A0, B0, A2, B2.
Photoelectric device Mini BOSA is shown in Fig. 1.
It mainly includes LD laser instrument, PINTIA photo-detector, pedestal shell, optical filter, LC adapter etc..Photoelectric device
Mini BOSA feature size is little, integrated level is high, stable performance, is the core component realizing optical electrical and electrical/optical conversion.LD laser
Electrical/optical translation function realized by device, and the electric signal with modulated signal is converted to optical signal, then carries out through 45 ° of optical filters
Penetrate, the optical signal of transmission is coupled in LC lock pin adapter and is transmitted.Optical electrical conversion work(realized by PINTIA photo-detector
Can, the corresponding wavelength optical signal that coupling come in by LC lock pin adapter is totally reflected by 45 ° of optical filters, then filters through 0 °
Mating plate filters to wavelength signals, then by PD detector, optical signal is converted to electric signal and carries out prime amplification.Base
Seat pipe shell undertakes the effect of fixing support, by shell LD laser instrument, PINTIA photo-detector, optical filter and LC adapter group
Fill as an entirety.Optical filter divides 45 ° of optical filters and two kinds of 0 ° of optical filter, and 45 ° of optical filters act as transmission and reflection function,
0 ° of optical filter filters the optical signal string of non-reception wavelength to PD end.LC lock pin adapter plays LD, PD optical signal and couples with optical fiber
Docking acts on.
Compact SFP 1.25G 1490＆1550nm CWDM module housing encapsulating structure is mainly by tripper, assembly
Positioner, pcb board positioner and overcoat integrated locating device etc. form.Shell meets Compact SFP MSA agreement
Require, good heat dispersion, maximized inside can utilize space, and optical port contact engaging and separating force meets the requirements, there is reasonable unblock and fill
Put.
Operation principle：
1st, electro-optic conversion part：
The electrooptic switching element of Compact SFP 1.25G 1490＆1550nm CWDM optical module can will enter into mould
The electric data-signal of block is converted to light data signal, is made up of LD drive circuit, control circuit and LD BOSA, and this LD BOSA
Comprise CWDM laser instrument（DFB-LD）And backlight detection diode（PD）Its theory diagram, as shown in Figure 2.
There are driving IC and peripheral resistor- capacitor inside Compact SFP 1.25G 1490＆1550nm CWDM optical module
Part constitutes drive circuit, for driving, controlling LD.First, the bias current being supplied to laser instrument makes laser works, then passes through
Modulated signal is added to the input of drive circuit by Data+/Data-, the amplified output end from drive circuit of modulated signal
It is added on LD, now LD sends the optical signal with data modulated signal.Meanwhile, LD drive circuit possesses APC function（Automatically light
Power Control）With Temperature Compensation function（Temperature-compensating）.The internal PD of laser instrument passes through to detect LD electric current
Size, then by APC loop the size of current detecting feed back to driving IC in be compared, through comparison circuit come
In the range of whether the value of judgement current power is controlled, LD drive circuit can achieve dynamic regulation LD bias current size.When
LD lights when becoming big, and PD output current becomes big, and LD drive circuit reduces the bias current adding to LD, so that LD lights diminishing；Instead
And, become hour when LD lights, LD drive circuit will increase bias current and light to increase LD, thus ensureing that LD luminous power keeps
Constant.
2nd, photoelectric conversion section：
Receive photoelectric conversion unit and the optical signal of the centre wavelength ± 10nm wavelength of input module can be converted to numeral
Electric signal, is made up of with optical detection PD and preamplifier limiting amplifier.Theory diagram is as shown in Figure 3.
The light data signal of slave module receiving light interface input module, by the photodiode of inside modules（PD）Turn
It is changed to electric signal, be input to preamplifier Preamplifier and be amplified, preamplifier possesses AGC function（Automatically increase
Benefit controls）, the electric signal by a small margin after the conversion of small-power input light is adopted with the multiplication factor of large gain, and to high-power input
Significantly signal after light conversion adopts the multiplication factor of little gain, so that the electrical signal amplitude fluctuation of its output is significantly smaller than
The fluctuating range of input optical signal power.(Limiting Amplifier receives after amplifying through preamplifier limiting amplifier
Signal carry out two grades amplification, the electric data-signal of output module.So, the optical signal of input module through above-mentioned opto-electronic conversion and
After two grades are amplified, in the output that the electric data output end holding of module is constant, will not with the size variation of input optical signal ripple
Dynamic, also there is No Light Alarm function（LOS）.In order to prevent the interference between two unlike signals, we are equally when LAYOUT designs
Cleverly take point and bag ground method realizing.
Compact SFP 1.25G 1490＆1550nm CWDM module DDM performance and PIN definition management：
1st, DDM function：
Five parameters of its energy monitoring module, be respectively：Operating voltage（VCC）, operating temperature, launch luminous power, biasing
Electric current, received optical power.
Product more simplifies in design aspect, stable and reliable for performance, and low in energy consumption, increased data throughout, in phase
Double with bandwidth on the panel of size, flexibly with effective networking mode, reduce networking and maintenance cost.
The foregoing is only preferred embodiment of the present utility model, not in order to limit the utility model, all this
Any modification, equivalent and improvement made within the spirit of utility model and principle etc., should be included in the utility model
Protection domain within.
Claims (10)
1. a kind of twin-channel CWDM transceiver optical-electric module is it is characterised in that described CWDM transceiver optical-electric module bag
Include base, the base mounting member being connected with described base, the optical-electrical converter on base and electrical to optical converter, located at described
PCB on base mounting member, described optical-electrical converter and electrical to optical converter connect described PCB, briquetting respectively
By solid to described optical-electrical converter and electrical to optical converter pressure on described base, upper lid is placed on the top surface of described base, SFP dust plug
Through described base sheath on described optical-electrical converter and electrical to optical converter, the first panel beating cover is placed on described base and base dress
On accessory.
2. CWDM transceiver optical-electric module according to claim 1 is it is characterised in that described CWDM transceiver photoelectricity
Module also includes slide block and spring, and on described base, described spring one end connects described slide block, described spring to described slide block
The other end and described base on T-shaped projection contacts, described slide block and spring cover under described upper lid.
3. CWDM transceiver optical-electric module according to claim 2 is it is characterised in that described CWDM transceiver photoelectricity
Module also includes shaking hands, and on described base, the handle of described handle is provided with encapsulated described handle.
4. CWDM transceiver optical-electric module according to claim 3 is it is characterised in that described CWDM transceiver photoelectricity
Module also includes the second panel beating cover and tag board, and described second panel beating covers on described base mounting member, and described tag board sets
On described second panel beating cover.
5. CWDM transceiver optical-electric module according to claim 4 is it is characterised in that described PCB is provided with
FPC, microprocessor, communication interface, LD modulation current unit and LD bias current unit and reception operational amplifier, described FPC
Output end receive, through described, the input that operational amplifier connects described microprocessor, the output end of described microprocessor connects
The input of described FPC, the described LD of connection of described microprocessor modulates the control end of electric current, the output end of described bias current
Connect the input that described LD modulates electric current.
6. CWDM transceiver optical-electric module according to claim 5 it is characterised in that described PCB with described
It is provided with heat conduction silica gel between base mounting member.
7. CWDM transceiver optical-electric module according to claim 6 it is characterised in that described spring be two, two
Spring is respectively arranged on the both sides of described slide block.
8. CWDM transceiver optical-electric module according to claim 7 is it is characterised in that described briquetting is fixed by screw
On described base.
9. CWDM transceiver optical-electric module according to claim 8 is it is characterised in that described upper lid passes through two screws
On described base.
10. CWDM transceiver optical-electric module according to claim 9 is it is characterised in that described first panel beating cover and institute
State base and base mounting member using being connected together.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620039895.4U CN205958801U (en) | 2016-01-15 | 2016-01-15 | Twin -channel CWDM receives and dispatches integrative optical -electric module |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620039895.4U CN205958801U (en) | 2016-01-15 | 2016-01-15 | Twin -channel CWDM receives and dispatches integrative optical -electric module |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205958801U true CN205958801U (en) | 2017-02-15 |
Family
ID=57967574
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620039895.4U Active CN205958801U (en) | 2016-01-15 | 2016-01-15 | Twin -channel CWDM receives and dispatches integrative optical -electric module |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205958801U (en) |
-
2016
- 2016-01-15 CN CN201620039895.4U patent/CN205958801U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN113810115B (en) | Optical module | |
| US6951426B2 (en) | Pad architecture for backwards compatibility for bi-directional transceiver module | |
| US7832944B2 (en) | Optoelectronic subassembly with integral thermoelectric cooler driver | |
| CN107153237A (en) | A kind of light transmit-receive integrated device of multichannel silicon substrate wavelength-division multiplex high speed | |
| CN202094892U (en) | Long-distance SFP+ optical module | |
| CN104601244A (en) | 400 Gbps hot-plug high-speed optical transceiver module | |
| CN104348553A (en) | Cfp optical transceiver module | |
| CN102231650A (en) | 10G SFP+LR optical module | |
| US20230204881A1 (en) | Light Source Module and Optical Communication Device | |
| CN212649474U (en) | Optical module | |
| KR20150030098A (en) | Detachable Optical Transceiver | |
| CN112904497A (en) | Silicon optical integrated module based on PWB | |
| CN210327587U (en) | Optical transmitter module, optical transceiver and optical communication system | |
| CN202904073U (en) | Optical transceiver module | |
| CN107800486A (en) | The compatible pluggable CSFP optical modules of binary channels compact of electrical interface | |
| CN212543788U (en) | Optical module | |
| CN205958801U (en) | Twin -channel CWDM receives and dispatches integrative optical -electric module | |
| CN105487183A (en) | Double-channel CWDM transmit-receive integrated optical-electrical module | |
| CN108631874A (en) | The OLT optical assemblies and optical module without refrigerator towards 10G-PON applications | |
| US11750293B1 (en) | Butterfly-type packaged optical transceiver with multiple transmission and reception channels | |
| CN215641964U (en) | Optical module | |
| CN113423028A (en) | Optical module | |
| CN218634665U (en) | Electromagnetic shield for optical module | |
| CN217469964U (en) | XGSPON ONU Triplexer module | |
| CN114667051B (en) | Anti-interference optical module |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CP02 | Change in the address of a patent holder | ||
| CP02 | Change in the address of a patent holder |
Address after: 518000 809, 810, 811, block B, building 6, Shenzhen International Innovation Valley, Dali community, Xili street, Nanshan District, Shenzhen City, Guangdong Province Patentee after: SHENZHEN HI-OPTEL TECHNOLOGY Co.,Ltd. Address before: 518000 East, 4th, 5th and 6th floors of Gaofa No.2 factory building, maotoushan Gaofa Industrial Zone, Beihuan Road, Nanshan District, Shenzhen City, Guangdong Province Patentee before: SHENZHEN HI-OPTEL TECHNOLOGY Co.,Ltd. |