CN102739318B - The small form factor pluggable transmitting-receiving unification optical module of polymer optical fiber communication - Google Patents
The small form factor pluggable transmitting-receiving unification optical module of polymer optical fiber communication Download PDFInfo
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Abstract
The invention discloses a kind of small form factor pluggable transmitting-receiving unification optical module of polymer optical fiber communication, small form factor pluggable transmitting-receiving unification optical module comprises optical receiver and optical sender, small form factor pluggable transmitting-receiving unification optical module also comprises the SFP optical module interface meeting SFP multi-source agreement, optical receiver comprises and the wavelength of input is converted to the optical fiber receive module of the signal of telecommunication at the light signal of visible light wave range and the signal of telecommunication that optical fiber receive module exports is carried out the limiting amplifier of limited range enlargement, optical sender comprises the light emission component that is operated in visible light wave range and for driving the light emission component driver of light emission component luminescence, light emission component driver has automatic power control circuitry, optical receiver and optical sender are all connected with SFP optical module interface, the light emission component driver of the technical program has automatic power control circuitry, and present invention uses SFP optical module interface, therefore can realize the highly stable and charged warm connection function of utilizing emitted light power.
Description
Technical field
The present invention relates to polymer optical fiber communication technical field, particularly relate to a kind of small form factor pluggable transmitting-receiving unification optical module of polymer optical fiber communication.
Background technology
Plastic fiber is also known as polymer optical fiber, and be a kind of emerging optical fiber communication medium, its fibre core and covering have plastic material to make.Plastic fiber has good toughness, be not easy to fracture, numerical aperture is large, the feature of easily coupling.
The transmitting-receiving unification optical module used in existing plastic optical fiber communication system, be generally and adopt the mode of temperature-compensating to maintain the stable of utilizing emitted light power, but due to the feature of electronic devices and components and the drive characteristic of driver chip, certain stability can only be realized by temperature-compensating mode, in the case of a high temperature, be difficult to realize the highly stable of utilizing emitted light power; And existing transmitting-receiving unification optical module adopts the plug-in unit encapsulation of welded type, when optical module breaks down, needs equipment complete machine to return the optical module that genuine could more renew.
Summary of the invention
The small form factor pluggable transmitting-receiving unification optical module being to provide a kind of polymer optical fiber communication of the present invention, it can realize the highly stable and charged hot plug of utilizing emitted light power.
A kind of small form factor pluggable transmitting-receiving unification optical module of polymer optical fiber communication, comprise optical receiver and optical sender, small form factor pluggable transmitting-receiving unification optical module also comprises the SFP optical module interface meeting SFP multi-source agreement, optical receiver comprises and the wavelength of input is converted to the optical fiber receive module of the signal of telecommunication at the light signal of visible light wave range and the signal of telecommunication that optical fiber receive module exports is carried out the limiting amplifier of limited range enlargement, optical sender comprises the light emission component that is operated in visible light wave range and for driving the light emission component driver of light emission component luminescence, light emission component driver has automatic power control circuitry, light emission component comprises backlight sense photodiode and emitter chip, automatic power control circuitry and backlight sense photodiode form a closed loop, optical receiver and optical sender are all connected with SFP optical module interface, when light emission component driver drives light emission component is luminous, the luminous intensity of the backlight sense photodiode Real-Time Monitoring emitter chip of light emission component, and the photoelectric current converting corresponding size to is input to the automatic power control circuitry of light emission component driver, light emission component driver adjusts modulated current and the bias current of output in real time, thus the utilizing emitted light power of light stable emitting module.
Wherein, the concrete model of SFP optical module interface is SFP-2X10, optical sender comprises the light transmitting chip LD with semiconductor laser diode and backlight sense photodiode, driving chip U1, resistance R1, R2, R4, R5, R6, R7, R10, R11, R13, R14, R15, R16, R17, R18, electric capacity C1, C2, C3, C4, C5, C6, C8, C10, C11, C12, C13, C14, C15, inductance L 1, L2, L3, the concrete model of U1 is 3 pin of UX2211, LD, one end of C6 is connected with 18 pin of U1,2 pin of LD, one end of R17, one end of L3 is connected with one end of R16,4 pin of LD, one end of R15, one end of L2 is connected with one end of R18, and the other end of R17 is connected with one end of C5, and one end of L3 is connected with 13 pin of U1, and the other end of R16 is connected with one end of C4, the other end of C4, one end of R14 is connected with 16 pin of U1, and the other end of R15 is connected with one end of C3, the other end of C3, one end of R13 is connected with 15 pin of U1, the other end of R13, the other end of L2, the other end of R18, the other end of R14, one end of C15, one end of C10, one end of C11, one end of C12, one end of C13, one end of C14, one end of L1, 2 pin of U1, 5 pin of U1, 14 pin of U1, 17 pin of U1 are connected with power supply VCCT, and the other end of L1 is connected with 16 pin of SFP-2X10, and C8 is connected between 19 pin of U1 and 20 pin, one end of R1, one end of C1 is connected with 3 pin of U1, and the other end of C1 is connected with 18 pin of SFP-2X10, the other end of R1, one end of C2 is connected with 4 pin of U1, the other end of C2 is connected with 19 pin of SFP-2X10, 24 pin of U1 are connected with one end of R5, 1 pin of U1 is connected with one end of R4, and 22 pin of U1 are connected with one end of R2, and 7 pin of U1 are connected with one end of R6, 8 pin of U1 are connected with one end of R7, 2 pin of SFP-2X10 are connected with 11 pin of U1, and 3 pin of SFP-2X10 are connected with 6 pin of U1, one end of R10, one end of R11 is connected with 21 pin of U1, the other end of C6, 1 pin of LD, the other end of C5, the other end of C15, the other end of C10, the other end of C11, the other end of C12, the other end of C13, the other end of C14, the other end of R2, the other end of R4, the other end of R5, the other end of R6, the other end of R7, the other end of R10, the other end of R11 is connected with ground GNDT, R10 and R11 is extinction ratio regulating resistance.
Wherein, optical receiver comprises limited range enlargement chip U2, light-receiving chip PIN-TIA, resistance R20, R21, R24, R25, R27, electric capacity C20, C21, C22, C23, C24, C25, C26, C27, C28, C29, C30, C32, C34, inductance L 4, L5, L6, the concrete model of U2 is 1 pin of UX2109, PIN-TIA, one end of C34 is connected with one end of L6,3 pin of PIN-TIA, one end of C20, one end of R20 is connected with one end of C21,2 pin of PIN-TIA, the other end of C20, the other end of R20 is connected with one end of C22, and the other end of C21 is connected with 4 pin of U2, and the other end of C22 is connected with 5 pin of U2, the other end of L6, one end of C32, one end of C30, one end of C28, one end of C27, one end of L5, one end of L4, 14 pin of U2 are connected with power supply VCCR, and the other end of C30 is connected with 7 pin of U2, the other end of L5, one end of C29 is connected with 6 pin of U2, and C23 is connected between 1 pin of U2 and 2 pin, and 16 pin of U2 are connected with one end of R21, and 15 pin of U2 are connected with one end of C24, and the other end of L4 is connected with 15 pin of SFP-2X10,13 pin of U2, one end of R24 is connected with one end of C25, and the other end of C25 is connected with 13 pin of SFP-2X10,12 pin of U2, one end of R25 is connected with one end of C26, and the other end of C26 is connected with 12 pin of SFP-2X10, and 8 pin of SFP-2X10 are connected with one end of R27, the other end of R27, 8 pin of U2 are connected with 9 pin of U2,4 pin of PIN-TIA, the other end of C34, the other end of C32, the other end of C28, the other end of C27, the other end of C29, the other end of R21, the other end of C24, the other end of R24, the other end of R25 is connected with ground GNDR.
Also comprise storage chip U3, the concrete model of U3 is that 5 pin of AT24C02, U3 are connected with 4 pin of SFP-2X10, and 6 pin of U3 are connected with 5 pin of SFP-2X10, and 1 pin of U3,2 pin, 3 pin, 4 pin, 7 pin are connected with ground GNDT, and 8 pin of U3 are connected with power supply VCCT.AT24C02 is serial E2PROM, and it follows two-wire system agreement based on the memory device of I2C bus, is used for storing the relevant information data of optical module.
Wherein, optical fiber receive module comprises photodetector and carries out the current signal that photodetector exports to amplify the trans-impedance amplifier of process.
Wherein, photodetector is high-speed silicon photodiode.
Wherein, emitter chip is resonant cavity light emitting diodes.
Wherein, emitter chip is conductor Laser diode.
Wherein, optical fiber receive module is the optical fiber receive module adopting band globe lens TO-46 packing forms, and light emission component is the light emission component adopting band globe lens TO-46 or band globe lens TO-56 packing forms.
Beneficial effect of the present invention: the small form factor pluggable transmitting-receiving unification optical module of polymer optical fiber communication comprises optical receiver and optical sender, small form factor pluggable transmitting-receiving unification optical module also comprises the SFP optical module interface meeting SFP multi-source agreement, optical receiver comprises and the wavelength of input is converted to the optical fiber receive module of the signal of telecommunication at the light signal of visible light wave range and the signal of telecommunication that optical fiber receive module exports is carried out the limiting amplifier of limited range enlargement, optical sender comprises the light emission component that is operated in visible light wave range and for driving the light emission component driver of light emission component luminescence, light emission component driver has automatic power control circuitry, light emission component comprises backlight sense photodiode and emitter chip, automatic power control circuitry and backlight sense photodiode form a closed loop, optical receiver and optical sender are all connected with SFP optical module interface, when light emission component driver drives light emission component is luminous, the luminous intensity of the backlight sense photodiode Real-Time Monitoring emitter chip of light emission component, and the photoelectric current converting corresponding size to is input to the automatic power control circuitry of light emission component driver, light emission component driver adjusts modulated current and the bias current of output in real time, thus the utilizing emitted light power of light stable emitting module.The light emission component driver of the technical program has automatic power control circuitry, and optical module employs SFP optical module interface, therefore can realize the highly stable and charged warm connection function of utilizing emitted light power.
Accompanying drawing explanation
Fig. 1 is circuit diagram of the present invention.
Embodiment
Embodiment one
The small form factor pluggable transmitting-receiving unification optical module of the polymer optical fiber communication of the present embodiment comprises optical receiver and optical sender, small form factor pluggable transmitting-receiving unification optical module also comprises the SFP optical module interface meeting SFP multi-source agreement, optical receiver comprises and the wavelength of input is converted to the optical fiber receive module of the signal of telecommunication at the light signal of visible light wave range and the signal of telecommunication that optical fiber receive module exports is carried out the limiting amplifier of limited range enlargement, optical sender comprises the light emission component that is operated in visible light wave range and for driving the light emission component driver of light emission component luminescence, light emission component driver has automatic power control circuitry, light emission component comprises backlight sense photodiode and emitter chip, automatic power control circuitry and backlight sense photodiode form a closed loop, optical receiver and optical sender are all connected with SFP optical module interface, when light emission component driver drives light emission component is luminous, the luminous intensity of the backlight sense photodiode Real-Time Monitoring emitter chip of light emission component, and the photoelectric current converting corresponding size to is input to the automatic power control circuitry of light emission component driver, light emission component driver adjusts modulated current and the bias current of output in real time, thus the utilizing emitted light power of light stable emitting module.
The technical program adopts operation wavelength at the light emission component of visible light wave range and optical fiber receive module, make small form factor pluggable receive and dispatch unification optical module and can be applied to plastic optical fiber communication system equipment, visible light wave range includes but not limited to wavelength 650nm and 520nm.The armed signal of telecommunication is converted to light signal and is sent out by optical fiber by optical sender, and the light signal that fiber distal end transmits by optical receiver is reduced to the signal of telecommunication and gives signal processing chip.After armed positive emitter coupled logic (PositiveEmitterCoupledLogic, PECL) level signal is carried out amplification process by the light emission component driver of optical sender, drive light emission component luminous, to transmit.
Optical module of the present invention possesses SFP (SmallForm-factorPluggable) optical module interface, meet SFP multi-source agreement (MultiSourceAgreement, MSA), therefore general interface standard is possessed, existing optical fiber communication equipment can be widely used in, and the printed circuit board (PCB) of optical fiber telecommunications system equipment need not be redesigned, be conducive to popularizing of polymer optical fiber communication.When optical module breaks down, without under the power conditions of off device, can directly out of order optical module be pulled up above equipment, change new optical module, realize the charged hot plug of optical module, greatly reduce the preventive maintenance time of equipment, improve the efficiency-cost ratio of plant maintenance.
Optical module of the present invention uses SFP optical module interface, can adopt SFP zinc alloy diecasting shell packing forms, than present 1X9 and GBIC(GigaBitrateInterfaceConverter, GBIC) encapsulate the volume-diminished of optical module one times; Therefore, the interface capacity of equipment can be made to double under the condition of identical device volume.
The light emission component driver of optical module of the present invention has automated power and controls (AutoPowerControl, APC) circuit, automatic power control circuitry and backlight sense photodiode form a closed loop, the photoelectric current that light emission component driver detects in real time according to backlight sense photodiode, the modulated current that real-time adjustment exports and bias current, therefore the highly stable of utilizing emitted light power can be realized.
In the present embodiment, light emission component driver comprises automatic power control circuitry, light emission component driver can also comprise signal amplification circuit, drive circuit etc., light emission component comprises backlight sense photodiode and emitter chip, the automated power of light emission component driver controls (AutoPowerControl, APC) the backlight sense photodiode of circuit and light emission component forms a closed loop, when light emission component driver drives light emission component is luminous, the luminous intensity of the backlight sense photodiode Real-Time Monitoring emitter chip of light emission component, and the photoelectric current converting corresponding size to is input to the automatic power control circuitry of light emission component driver, light emission component driver adjusts modulated current and the bias current of output in real time, thus the utilizing emitted light power of light stable emitting module.By the automatic power control circuitry of light emission component driver, the highly stable of utilizing emitted light power can be ensured, thus greatly reduce the error code produced because of optical power fluctuation, improve the reliability of plastic optical fiber communication system.
In the present embodiment, emitter chip can be semiconductor laser diode (LaserDiode).Semiconductor laser diode, compared with resonant cavity light emitting diodes (ResonantCavityLightEmittingDiodes), has higher modulating speed, can reach more than 2.5Gbps, and has the narrower spectral line of emission, and transmission dispersive influence can be less; Launch spot is less, is conducive to the coupling of luminous power.Can effectively increase communications distance.
As another preferred implementation, emitter chip can be resonant cavity light emitting diodes, and it has vertical cavity surface emitting laser (VerticalCavitySurfaceEmittingLaser, VCSEL) characteristic, threshold current is very low, speed, can reach 1.25Gbps, cost is lower.It should be noted that, except resonant cavity light emitting diodes and semiconductor laser diode, the present invention can also use other can emission wavelength at the light emission component of visible light wave range.
Optical receiver comprises limiting amplifier (LimitingAmplifier, and optical fiber receive module (ReceiverOpticalSubassembly LA), ROSA), the light signal of input is converted to the signal of telecommunication and exports by optical fiber receive module, and limiting amplifier exports after the signal of telecommunication received from optical fiber receive module is carried out limited range enlargement.When the voltage signal that limiting amplifier receives is lower than the threshold value preset, the alarm signal output outputting alarm signal of limiting amplifier, represents in optical fiber do not have optical signal transmission.
In the present embodiment, optical fiber receive module comprises trans-impedance amplifier (TransimpedanceAmplifiers, and photodetector TIA), optical fiber receive module (the ReceiverOpticalSubassembly of integrated transfer resistance amplifier and photodetector can be used, ROSA), it has the feature of high sensitivity, high reliability, and sensitivity can reach-29dBm under 650nm wavelength 155Mbps speed, reaches international most advanced level.
The current signal that photodetector exports is converted to voltage signal by trans-impedance amplifier, then carries out amplifying, exports to limiting amplifier after automatic gain control.In the present embodiment, photodetector is the high-speed silicon photodiode of high speed, large area, low junction capacitance, and silicon photoelectric diode has higher responsiveness for visible ray, effectively can receive the large spot light signal transmitted by plastic fiber; Silicon photoelectric diode is combined with trans-impedance amplifier, the faint light signal detected can be converted to photoelectric current and be zoomed into voltage signal.It should be noted that, except silicon photoelectric diode, the present invention can also use other photodetector.
In this enforcement, optical fiber receive module is the optical fiber receive module adopting band globe lens TO-46 packing forms, and light emission component is the light emission component adopting band globe lens TO-46 or band globe lens TO-56 packing forms.It should be noted that, the present invention can also use other packing forms.
The operation principle of small form factor pluggable transmitting-receiving unification optical module is as follows: when optical sender receives PECL level signal, through light emission component driver Hyblid Buffer Amplifier, drive light emission component luminous, light signal transmits in plastic fiber; When the light signal transmitted by plastic fiber incides optical receiver, photodetector in optical fiber receive module exports to trans-impedance amplifier after the light signal received is converted to photo-signal, above-mentioned faint photo-signal is converted to voltage signal by trans-impedance amplifier, and export to limiting amplifier after amplifying adjustment, export after the voltage signal that trans-impedance amplifier exports by limiting amplifier carries out limited range enlargement.For avoiding power supply to the noise jamming of the components and parts such as light emission component driver and limiting amplifier, power filter network can be connected between power supply with optical module, to carry out filtering process to interference signal.
Embodiment two
See Fig. 1.In the present embodiment, the concrete model of SFP optical module interface is SFP-2X10, optical sender comprises the light transmitting chip LD with semiconductor laser diode and backlight sense photodiode, driving chip U1, resistance R1, R2, R4, R5, R6, R7, R10, R11, R13, R14, R15, R16, R17, R18, electric capacity C1, C2, C3, C4, C5, C6, C8, C10, C11, C12, C13, C14, C15, inductance L 1, L2, L3, the concrete model of U1 is 3 pin of UX2211, LD, one end of C6 is connected with 18 pin of U1,2 pin of LD, one end of R17, one end of L3 is connected with one end of R16,4 pin of LD, one end of R15, one end of L2 is connected with one end of R18, and the other end of R17 is connected with one end of C5, and one end of L3 is connected with 13 pin of U1, and the other end of R16 is connected with one end of C4, the other end of C4, one end of R14 is connected with 16 pin of U1, and the other end of R15 is connected with one end of C3, the other end of C3, one end of R13 is connected with 15 pin of U1, the other end of R13, the other end of L2, the other end of R18, the other end of R14, one end of C15, one end of C10, one end of C11, one end of C12, one end of C13, one end of C14, one end of L1, 2 pin of U1, 5 pin of U1, 14 pin of U1, 17 pin of U1 are connected with power supply VCCT, and the other end of L1 is connected with 16 pin of SFP-2X10, and C8 is connected between 19 pin of U1 and 20 pin, one end of R1, one end of C1 is connected with 3 pin of U1, and the other end of C1 is connected with 18 pin of SFP-2X10, the other end of R1, one end of C2 is connected with 4 pin of U1, the other end of C2 is connected with 19 pin of SFP-2X10, 24 pin of U1 are connected with one end of R5, 1 pin of U1 is connected with one end of R4, and 22 pin of U1 are connected with one end of R2, and 7 pin of U1 are connected with one end of R6, 8 pin of U1 are connected with one end of R7, 2 pin of SFP-2X10 are connected with 11 pin of U1, and 3 pin of SFP-2X10 are connected with 6 pin of U1, one end of R10, one end of R11 is connected with 21 pin of U1, the other end of C6, 1 pin of LD, the other end of C5, the other end of C15, the other end of C10, the other end of C11, the other end of C12, the other end of C13, the other end of C14, the other end of R2, the other end of R4, the other end of R5, the other end of R6, the other end of R7, the other end of R10, the other end of R11 is connected with ground GNDT, R10 and R11 is extinction ratio regulating resistance.
Light transmitting chip LD and peripheral circuit thereof form light emission component, and driving chip UX2211 and peripheral circuit thereof form light emission component driver.The light transmitting chip LD with semiconductor laser diode and backlight sense photodiode is commercially available chip, does not repeat its internal structure here, and the present invention does not limit its concrete model, as long as can reach the object of the invention.The concrete model of SFP optical module interface is SFP-2X10.The concrete model of driving chip U1 is UX2211, and this driving chip has automatic power control circuitry, also has temperature-compensation circuit, modulated current compensating circuit etc., does not repeat its operation principle here; The driving chip of other model that can realize same function can certainly be used; Have the driving chip of other model being integrated with automatic power control circuitry to sell on the market, those of ordinary skill in the art can choice for use.After those of ordinary skill in the art understand the principle of the technical program, according to thought of the present invention, all will change in specific embodiments and applications, all belong to the scope of protection of the invention.
The definition of each pin of UX2211 chip is as shown in Table 1:
| pin | title | function |
| 1 | mODTCOMP | modulated current temperature-compensating.Connect non-essential resistance to ground, for the set temperature index of modulation; During without the need to temperature-compensating, pin is unsettled. |
| 2,5,14,17 | vCC | 3.3V/5V supply voltage. |
| 3 | iN+ | data input (+). |
| 4 | iN | data input (-). |
| 6 | tX-DIS | launch Enable Pin.During high level, forbid that laser exports; During low level, laser is allowed to export. |
| 7 | pC-MON | laser backlight current is monitored. |
| 8 | bC-MON | laser bias current is monitored. |
| 9 | sHUTDOWN | turn off driver output. |
| 10,12 | gND | ground. |
| 11 | tX-FAULT | driving makes mistakes warning. |
| 13 | bIAS | laser bias current exports. |
| 15 | oUT- | the anti-phase output of modulated current. |
| 16 | oUT+ | modulated current homophase exports. |
| 18 | mD | laser backlight current inputs. |
| 19 | aPCFILT1 | an electric capacity is connected, for arranging APC time constant with pin 20. |
| 20 | aPCFILT2 | an electric capacity is connected, for arranging APC time constant with pin 19. |
| 21 | aPCSET | an indirect resistance on pin and ground, for arranging required average light power. |
| 22 | mODSET | an indirect resistance on pin and ground, for arranging required modulated current. |
| 23 | mODBCOMP | unsettled. |
| 24 | tH_TEMP | the threshold temperature of modulated current temperature-compensating. |
Table one
In the present embodiment, optical receiver comprises limited range enlargement chip U2, light-receiving chip PIN-TIA, resistance R20, R21, R24, R25, R27, electric capacity C20, C21, C22, C23, C24, C25, C26, C27, C28, C29, C30, C32, C34, inductance L 4, L5, L6, the concrete model of U2 is 1 pin of UX2109, PIN-TIA, one end of C34 is connected with one end of L6,3 pin of PIN-TIA, one end of C20, one end of R20 is connected with one end of C21,2 pin of PIN-TIA, the other end of C20, the other end of R20 is connected with one end of C22, and the other end of C21 is connected with 4 pin of U2, and the other end of C22 is connected with 5 pin of U2, the other end of L6, one end of C32, one end of C30, one end of C28, one end of C27, one end of L5, one end of L4, 14 pin of U2 are connected with power supply VCCR, and the other end of C30 is connected with 7 pin of U2, the other end of L5, one end of C29 is connected with 6 pin of U2, and C23 is connected between 1 pin of U2 and 2 pin, and 16 pin of U2 are connected with one end of R21, and 15 pin of U2 are connected with one end of C24, and the other end of L4 is connected with 15 pin of SFP-2X10,13 pin of U2, one end of R24 is connected with one end of C25, and the other end of C25 is connected with 13 pin of SFP-2X10,12 pin of U2, one end of R25 is connected with one end of C26, and the other end of C26 is connected with 12 pin of SFP-2X10, and 8 pin of SFP-2X10 are connected with one end of R27, the other end of R27, 8 pin of U2 are connected with 9 pin of U2,4 pin of PIN-TIA, the other end of C34, the other end of C32, the other end of C28, the other end of C27, the other end of C29, the other end of R21, the other end of C24, the other end of R24, the other end of R25 is connected with ground GNDR.
Limited range enlargement chip UX2109 and peripheral circuit thereof form limiting amplifier, and its peripheral circuit of light-receiving chip PIN-TIA forms optical fiber receive module.In the present embodiment, the concrete model of limited range enlargement chip U2 is UX2109, can certainly use the chip of other model that can realize same function.
The definition of each pin of UX2109 chip is as shown in Table 2:
| pin | symbol | function |
| 1 | cAZN | dC maladjustment loop calibration capacitor pin.Can between CAZN/CAZP shunt-wound capacitance, also can this pin unsettled. |
| 2 | cAZP | dC maladjustment loop calibration capacitor pin.Can between CAZN/CAZP shunt-wound capacitance, also can this pin unsettled. |
| 3 | vSSA | pin in analog, must be connected on identical potential minimum with VSSO. |
| 4 | dINP | data input pin (+). |
| 5 | dINN | data input pin (-). |
| 6 | vDDA | analog power pin, must be connected in identical maximum potential with VDDO. |
| 7 | pDET | peak detection circuit filter capacitor, can at the indirect PDET electric capacity of this pin to Vdd, also can this pin unsettled. |
| 8 | jAM | pin is forbidden in output, compatible PECL/CMOS/TTL level, and when JAM is set to high level, signal exports and is prohibited.Short circuit JAM and LINKN, enables function of automatically only making an uproar; This pin unsettled, do not enable function of automatically only making an uproar, signal exports and is held open. |
| 9 | lINKN | forward lossing signal detects alarm output pin, CMOS compatible/Transistor-Transistor Logic level.When input signal is less than setting threshold value, this pin exports high level; When input signal is higher than setting threshold value, this pin output low level. |
| 10 | lINKP | reverse lossing signal detects alarm output pin, compatible PECL/CMOS/TTL level.When input signal is less than setting threshold value, this pin output low level; When input signal is higher than setting threshold value, this pin exports high level. |
| 11 | vSSO | digitally pin, must be connected on identical potential minimum with VSSA. |
| 12 | dOUTN | signal output part (-). |
| 13 | dOUTP | signal output part (+). |
| 14 | vDDO | digital power pin, must be connected in identical maximum potential with VDDA. |
| 15 | nC | lINKP output level logic selects pin.Give tacit consent to this pin unsettled, LINKP exports PECL level; By this pin ground connection, LINKP exports CMOS/TTL level. |
| 16 | vSET | dropout threshold arranges pin, and series resistor Rset, to ground, is used for arranging LOSS threshold value. |
Table two
Limited range enlargement chip UX2109 can receive wider input voltage, and provides fixing positive emitter coupled logic output voltage, has controllable edge speed, is functionally equal to data quantizer.UX2109 inside is integrated with power-sensing circuit, complementary TTL dropout (LOS) output is used to indicate input power and whether drops into below programmable gate limit value, selectable noise elimination function makes data export and remains on dead level under los state, UX2109 can adopt+3.3V or+5.0V single power supply; UX2109 operating temperature range-40 ° of C to+85 ° of C, adopt 16 pin SO or 16 pin QSOP to encapsulate.
The 16 pin connecting resistances of limited range enlargement chip UX2109 set threshold level, when the voltage signal amplitude that optical fiber receive module exports is too low, namely when identification does not have light signal to input, warning circuit in UX2109 judges according to the threshold level preset, when voltage is lower than threshold level, No Light Alarm signal is exported by 10 pin of the alarm signal of UX2109, and the logic level of alarm signal can be Transistor-Transistor Logic level or PECL.
In the present embodiment, also comprise storage chip U3, the concrete model of U3 is AT24C02,5 pin of U3 are connected with 4 pin of SFP-2X10,6 pin of U3 are connected with 5 pin of SFP-2X10, and 1 pin of U3,2 pin, 3 pin, 4 pin, 7 pin are connected with ground GNDT, and 8 pin of U3 are connected with power supply VCCT.AT24C02 is serial E2PROM, and it follows two-wire system agreement based on the memory device of I2C bus, is used for storing the relevant information data of optical module.
Parameter value in Fig. 1 is the components and parts of NC, and expression can not be installed, but can select to install to realize other function, and these components and parts can not affect the realization of the object of the invention.
Disclose the design parameter value of each components and parts shown in Fig. 1, those skilled in the art without the need to creative work to the components and parts of Fig. 1 and the amendment of parameter value thereof to adapt to the technical scheme of embody rule environment, all belong to the scope of protection of the invention.
The specific embodiment applying the components and parts such as UX2211, UX2109 shown in Fig. 1 is that the applicant repeatedly replaces different chip and repeatedly revises peripheral circuit, and the more excellent scheme drawn after repeatedly testing, it is the crystallization of the applicant's creative work; This specific embodiment has the feature of two-forty (can reach 250Mbps), high sensitivity (-29dBm650nm155MbpsNRZ code), low error rate; Its stable performance, cost performance is high, has good market prospects.
Above content is only preferred embodiment of the present invention, and for those of ordinary skill in the art, according to thought of the present invention, all will change in specific embodiments and applications, this description should not be construed as limitation of the present invention.
Claims (8)
1. the small form factor pluggable transmitting-receiving unification optical module of a polymer optical fiber communication, comprise optical receiver and optical sender, it is characterized in that: small form factor pluggable transmitting-receiving unification optical module also comprises the SFP optical module interface meeting SFP multi-source agreement, optical receiver comprises and the wavelength of input is converted to the optical fiber receive module of the signal of telecommunication at the light signal of visible light wave range and the signal of telecommunication that optical fiber receive module exports is carried out the limiting amplifier of limited range enlargement, optical sender comprises the light emission component that is operated in visible light wave range and for driving the light emission component driver of light emission component luminescence, light emission component driver has automatic power control circuitry, light emission component comprises backlight sense photodiode and emitter chip, automatic power control circuitry and backlight sense photodiode form a closed loop, optical receiver and optical sender are all connected with SFP optical module interface, when light emission component driver drives light emission component is luminous, the luminous intensity of the backlight sense photodiode Real-Time Monitoring emitter chip of light emission component, and the photoelectric current converting corresponding size to is input to the automatic power control circuitry of light emission component driver, light emission component driver adjusts modulated current and the bias current of output in real time, thus the utilizing emitted light power of light stable emitting module, the concrete model of described SFP optical module interface is SFP-2X10, described optical sender comprises the light transmitting chip LD with semiconductor laser diode and backlight sense photodiode, driving chip U1, resistance R1, R2, R4, R5, R6, R7, R10, R11, R13, R14, R15, R16, R17, R18, electric capacity C1, C2, C3, C4, C5, C6, C8, C10, C11, C12, C13, C14, C15, inductance L 1, L2, L3, the concrete model of U1 is 3 pin of UX2211, LD, one end of C6 is connected with 18 pin of U1,2 pin of LD, one end of R17, one end of L3 is connected with one end of R16,4 pin of LD and one end of R15, one end of L2, one end of R18 connects, and the other end of R17 is connected with one end of C5, and one end of L3 is connected with 13 pin of U1, and the other end of R16 is connected with one end of C4, the other end of C4, one end of R14 is connected with 16 pin of U1, and the other end of R15 is connected with one end of C3, the other end of C3, one end of R13 is connected with 15 pin of U1, the other end of R13, the other end of L2, the other end of R18, the other end of R14, one end of C15, one end of C10, one end of C11, one end of C12, one end of C13, one end of C14, one end of L1, 2 pin of U1, 5 pin of U1, 14 pin of U1, 17 pin of U1 are connected with power supply VCCT, and the other end of L1 is connected with 16 pin of SFP-2X10, and C8 is connected between 19 pin of U1 and 20 pin, one end of R1, one end of C1 is connected with 3 pin of U1, and the other end of C1 is connected with 18 pin of SFP-2X10, the other end of R1, one end of C2 is connected with 4 pin of U1, the other end of C2 is connected with 19 pin of SFP-2X10, 24 pin of U1 are connected with one end of R5, 1 pin of U1 is connected with one end of R4, and 22 pin of U1 are connected with one end of R2, and 7 pin of U1 are connected with one end of R6, 8 pin of U1 are connected with one end of R7, 2 pin of SFP-2X10 are connected with 11 pin of U1, and 3 pin of SFP-2X10 are connected with 6 pin of U1, one end of R10, one end of R11 is connected with 21 pin of U1, the other end of C6, 1 pin of LD, the other end of C5, the other end of C15, the other end of C10, the other end of C11, the other end of C12, the other end of C13, the other end of C14, the other end of R2, the other end of R4, the other end of R5, the other end of R6, the other end of R7, the other end of R10, the other end of R11 is connected with ground GNDT, R10 and R11 is extinction ratio regulating resistance.
2. the small form factor pluggable transmitting-receiving unification optical module of polymer optical fiber communication according to claim 1, it is characterized in that: described optical receiver comprises limited range enlargement chip U2, light-receiving chip PIN-TIA, resistance R20, R21, R24, R25, R27, electric capacity C20, C21, C22, C23, C24, C25, C26, C27, C28, C29, C30, C32, C34, inductance L 4, L5, L6, the concrete model of U2 is 1 pin of UX2109, PIN-TIA, one end of C34 is connected with one end of L6,3 pin of PIN-TIA, one end of C20, one end of R20 is connected with one end of C21,2 pin of PIN-TIA, the other end of C20, the other end of R20 is connected with one end of C22, and the other end of C21 is connected with 4 pin of U2, and the other end of C22 is connected with 5 pin of U2, the other end of L6, one end of C32, one end of C30, one end of C28, one end of C27, one end of L5, one end of L4, 14 pin of U2 are connected with power supply VCCR, and the other end of C30 is connected with 7 pin of U2, the other end of L5, one end of C29 is connected with 6 pin of U2, and C23 is connected between 1 pin of U2 and 2 pin, and 16 pin of U2 are connected with one end of R21, and 15 pin of U2 are connected with one end of C24, and the other end of L4 is connected with 15 pin of SFP-2X10,13 pin of U2, one end of R24 is connected with one end of C25, and the other end of C25 is connected with 13 pin of SFP-2X10,12 pin of U2, one end of R25 is connected with one end of C26, and the other end of C26 is connected with 12 pin of SFP-2X10, and 8 pin of SFP-2X10 are connected with one end of R27, the other end of R27, 8 pin of U2 are connected with 9 pin of U2,4 pin of PIN-TIA, the other end of C34, the other end of C32, the other end of C28, the other end of C27, the other end of C29, the other end of R21, the other end of C24, the other end of R24, the other end of R25 is connected with ground GNDR.
3. the small form factor pluggable transmitting-receiving unification optical module of polymer optical fiber communication according to claim 2, it is characterized in that: also comprise storage chip U3, the concrete model of U3 is AT24C02,5 pin of U3 are connected with 4 pin of SFP-2X10,6 pin of U3 are connected with 5 pin of SFP-2X10,1 pin of U3,2 pin, 3 pin, 4 pin, 7 pin are connected with ground GNDT, and 8 pin of U3 are connected with power supply VCCT.
4. the small form factor pluggable transmitting-receiving unification optical module of polymer optical fiber communication according to claim 1, is characterized in that: described optical fiber receive module comprises photodetector and carries out the current signal that photodetector exports to amplify the trans-impedance amplifier of process.
5. the small form factor pluggable transmitting-receiving unification optical module of polymer optical fiber communication according to claim 4, it is characterized in that, described photodetector is high-speed silicon photodiode.
6. the small form factor pluggable transmitting-receiving unification optical module of polymer optical fiber communication according to claim 1, it is characterized in that, described emitter chip is resonant cavity light emitting diodes.
7. the small form factor pluggable transmitting-receiving unification optical module of polymer optical fiber communication according to claim 1, it is characterized in that, described emitter chip is semiconductor laser diode.
8. the small form factor pluggable transmitting-receiving unification optical module of polymer optical fiber communication according to claim 1, it is characterized in that, described optical fiber receive module is the optical fiber receive module adopting band globe lens TO-46 packing forms, and described light emission component is the light emission component adopting band globe lens TO-46 or band globe lens TO-56 packing forms.
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP3247056A1 (en) * | 2016-05-18 | 2017-11-22 | Hisense Broadband Multimedia Technologies Co., Ltd. | Optical module and optical line terminal device |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102223180B (en) * | 2011-07-14 | 2014-05-14 | 成都新易盛通信技术股份有限公司 | Optical module with low power consumption and realizing method thereof |
| CN103427912B (en) * | 2013-08-29 | 2015-12-16 | 四川汇源塑料光纤有限公司 | Plastic optical fiber receiver |
| CN107305271A (en) * | 2016-04-20 | 2017-10-31 | 成都芯瑞科技股份有限公司 | The SFF LVDS level of 155M technical grades 2 × 5 compatibility optical module |
| CN111856664A (en) * | 2020-08-25 | 2020-10-30 | 上海长跃通信技术有限公司 | Low-cost 25G short distance photoelectric module conversion equipment |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101350676A (en) * | 2008-09-03 | 2009-01-21 | 烽火通信科技股份有限公司 | Automatic average optical power control system for bursting light emission module |
| CN101527602A (en) * | 2008-09-12 | 2009-09-09 | 东莞市一普实业有限公司 | Optical fiber transceiver module and plastic optical fiber communication system |
| CN201398193Y (en) * | 2009-03-20 | 2010-02-03 | 东莞市一普实业有限公司 | SSF transmission/reception integrated optical module and plastic optical fiber communication system |
-
2011
- 2011-04-02 CN CN201110083831.6A patent/CN102739318B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101350676A (en) * | 2008-09-03 | 2009-01-21 | 烽火通信科技股份有限公司 | Automatic average optical power control system for bursting light emission module |
| CN101527602A (en) * | 2008-09-12 | 2009-09-09 | 东莞市一普实业有限公司 | Optical fiber transceiver module and plastic optical fiber communication system |
| CN201398193Y (en) * | 2009-03-20 | 2010-02-03 | 东莞市一普实业有限公司 | SSF transmission/reception integrated optical module and plastic optical fiber communication system |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP3247056A1 (en) * | 2016-05-18 | 2017-11-22 | Hisense Broadband Multimedia Technologies Co., Ltd. | Optical module and optical line terminal device |
| US10171179B2 (en) | 2016-05-18 | 2019-01-01 | Hisense Broadband Multimedia Technologies Co., Ltd. | Optical module and optical line terminal device |
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