CN107749781A - One kind miniaturization L-band ROF optical transceiver modules - Google Patents
One kind miniaturization L-band ROF optical transceiver modules Download PDFInfo
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- CN107749781A CN107749781A CN201711328648.1A CN201711328648A CN107749781A CN 107749781 A CN107749781 A CN 107749781A CN 201711328648 A CN201711328648 A CN 201711328648A CN 107749781 A CN107749781 A CN 107749781A
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B10/00—Transmission systems employing electromagnetic waves other than radio-waves, e.g. infrared, visible or ultraviolet light, or employing corpuscular radiation, e.g. quantum communication
- H04B10/25—Arrangements specific to fibre transmission
- H04B10/2575—Radio-over-fibre, e.g. radio frequency signal modulated onto an optical carrier
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B10/00—Transmission systems employing electromagnetic waves other than radio-waves, e.g. infrared, visible or ultraviolet light, or employing corpuscular radiation, e.g. quantum communication
- H04B10/40—Transceivers
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- Electromagnetism (AREA)
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Optical Communication System (AREA)
Abstract
The invention discloses one kind to minimize L-band ROF optical transceiver modules.The optical transceiver module is made up of light emission module and Optical Receivers, and light emission module includes transmitting radio frequency processing board and LD driving plates, and Optical Receivers includes receiving radio frequency processing board and PD driving plates；Using the front and back for being placed on shielding box in back-to-back fashion.Present invention aim to address traditional ROF small product sizes are big, power consumption is high, phased-array radar, airborne, carrier-borne field using it is inconvenient the problem of, a kind of multiple functional, superior performance small volume, miniaturization L-band ROF optical transceiver modules low in energy consumption are especially provided.The present invention has the advantage that is with beneficial effect：The volume and weight of L-band optical transceiver module is reduced, further increases the application of product.
Description
Technical field
The present invention relates to technical field of photo communication, more particularly, to one kind miniaturization L-band ROF（Radio frequency optical transport）Light is received
Send out module.
Background technology
So-called ROF technologies, it is using optical fiber as transmission medium, realizes the work(such as the transmission, exchange, delay of broadband wireless signal
Can, the advantages that optical fiber transmission attenuation is small, distance is remote, bandwidth, strong antijamming capability is given full play to, satellite is can be widely applied to and leads to
Letter, antenna pulling away, wide band radio-frequency microwave signal transmission, local oscillation signal transmission, fiber delay time, electronic countermeasure, airborne, carrier-borne communication
Deng field.
Currently, also constantly expand with the continuous maturation of ROF technologies, application field and using scale, in the market shows
There is product the problem of volume is big, power consumption is high to be present, largely limit ROF products in phased-array radar（Due to phased
Battle array radar one position may need hundreds of, higher to volume requirement）, it is airborne, carrier-borne（Having to weight, volume, power consumption will
Ask）Deng the application in field.The present invention is exactly the miniaturization L-band ROF optical transceiver modules studied under this application demand background, is solved
The certainly demand in practical application.
The content of the invention
Present invention aim to address traditional ROF small product sizes are big, power consumption is high, in phased-array radar, airborne, carrier-borne field
The problem of using inconvenience, especially provide a kind of multiple functional, superior performance small volume, miniaturization L-band ROF light low in energy consumption
Transceiver module.
The present invention adopts the technical scheme that：One kind miniaturization L-band ROF optical transceiver modules, by light emission module and light
Receiving module forms, it is characterised in that the light emission module includes transmitting radio frequency processing board and LD driving plates, Optical Receivers
Including receiving radio frequency processing board and PD driving plates；The LD driving plates of the light emission module include the first module external connector,
First plug-and-play circuit, the first DC/DC converters, the first linear voltage regulator LDO1, the second linear voltage regulator LDO2, third linear
Voltage-stablizer LDO3, automatic power control circuit, automatic temperature controlling circuit, the operation bulletin instruction of the first single-chip microprocessor MCU 1, first
Lamp and the first connector FPC1；The transmitting radio frequency processing board includes the second connector FPC2, laser LD, the first low noise and put
Big device LNA1, the second low-noise amplifier LNA2 and the first numerical-control attenuator ATT1；Wherein, the first module external connector inputs
Hold for accessing dc source, output end is connected with the first plug-and-play circuit input, the first plug-and-play circuit output end and the
One DC/DC switch inputs connect, the first DC/DC converters respectively with the first linear voltage regulator LDO1, the second linear voltage stabilization
Device LDO2, the LDO3 connections of third linear voltage-stablizer；First linear voltage regulator LDO1, the second linear voltage regulator LDO2 are connected certainly respectively
Dynamic power control circuit, automatic temperature controlling circuit, the first single-chip microprocessor MCU of third linear voltage-stablizer LDO3 connections 1, the first monolithic
Machine MCU1 models C8051F021；First single-chip microprocessor MCU 1 is electric with the first module external connector, automated power control respectively
Road, automatic temperature controlling circuit and the first connector FPC1 are bi-directionally connected, and the first single-chip microprocessor MCU 1 connection the first operation bulletin refers to
Show lamp；First connector FPC1 is connected with the second connector FPC2, the linear voltage regulator LDO4 of the second connector FPC2 connections the 4th,
By the 4th linear voltage regulator LDO4 output+V1 voltages；Second connector FPC2 connecting lasers LD, the second low-noise amplifier
LNA2 is connected with the first numerical-control attenuator ATT1, the first numerical-control attenuator ATT1 the first low-noise amplifiers of connection LNA1, and first
Low-noise amplifier LNA1 connecting laser LD, are exported to subscriber optical cable by laser LD.
The PD driving plates of the Optical Receivers include the second module external connector, the second plug-and-play circuit, the 2nd DC/
DC converters, the 5th linear voltage regulator LDO5, the 6th linear voltage regulator LDO6, second singlechip MCU2, the second operation bulletin refer to
Show lamp and the 3rd connector FPC3；The reception radio frequency processing board includes the 4th connector FPC4, opto-electronic conversion diode PD, the
Three low-noise amplifier LNA3, the 4th low-noise amplifier LNA4, the second numerical-control attenuator ATT2；Wherein, the second module is external
Connector input is used to access dc source, and output end is connected with the second plug-and-play circuit, the second plug-and-play circuit and second
DC/DC converters are connected, and the 2nd DC/DC converters are connected with the 5th linear voltage regulator LDO5；5th linear voltage regulator LDO5 connects
Meet second singlechip MCU2, second singlechip MCU2 models C8051F021；Second singlechip MCU2 respectively with the second module pair
Outconnector and the 3rd connector FPC3 are bi-directionally connected, and second singlechip MCU2 connections second run bulletin indicator lamp；3rd connects
Meet device FPC3 to be connected with the 4th connector FPC4, the 4th connector FPC4 connections the 6th linear voltage regulator LDO6 is linear by the 6th
Voltage-stablizer LDO6 output+V1 voltages；4th connector FPC4 connection opto-electronic conversion diode PD, opto-electronic conversion diode PD connects use
Family optical cable, opto-electronic conversion diode PD are connected with the 3rd low-noise amplifier LNA3, the 3rd low-noise amplifier LNA3 and second
Numerical-control attenuator ATT2 connections, the low-noise amplifier LNA4 of the second numerical-control attenuator ATT2 connections the 4th, the 4th low noise amplification
Device LNA4 exports access user equipment.
The transmitting radio frequency processing board and LD driving plates of the light emission module and the reception radio frequency processing of Optical Receivers
Plate and PD driving plates are using the front and back for being individually positioned in shielding box in back-to-back fashion.
The present invention has the advantage that is with beneficial effect：The volume and weight of L-band optical transceiver module is reduced, further
Improve the application of product.
Brief description of the drawings
Fig. 1 is light emission module catenation principle figure provided in an embodiment of the present invention；
Fig. 2 is Optical Receivers catenation principle figure provided in an embodiment of the present invention.
Embodiment
Below in conjunction with drawings and examples, the invention will be further described.
Miniaturization L-band ROF optical transceiver modules are made up of light emission module and Optical Receivers.As shown in figure 1, light is launched
Module includes transmitting radio frequency processing board and LD driving plates, and Optical Receivers includes receiving radio frequency processing board and PD driving plates；It is described
The LD driving plates of light emission module include the first module external connector, the first plug-and-play circuit, the first DC/DC converters, the
It is one linear voltage regulator LDO1, the second linear voltage regulator LDO2, third linear voltage-stablizer LDO3, automatic power control circuit, automatic
Temperature-control circuit, the first single-chip microprocessor MCU 1, first operation bulletin indicator lamp and the first connector FPC1；Launch radio frequency processing board
Including the second connector FPC2, laser LD, the first low-noise amplifier LNA1, the numbers of the second low-noise amplifier LNA2 and first
Control attenuator ATT1；Wherein, the first module external connector input is used to access dc source, output end and the first hot plug
Circuit input end is connected, and the first plug-and-play circuit output end is connected with the first DC/DC switch inputs, the first DC/DC conversions
Device is connected with the first linear voltage regulator LDO1, the second linear voltage regulator LDO2, third linear voltage-stablizer LDO3 respectively；First is linear
Voltage-stablizer LDO1, the second linear voltage regulator LDO2 connect automatic power control circuit, automatic temperature controlling circuit, the 3rd line respectively
The first single-chip microprocessor MCU of property voltage-stablizer LDO3 connections 1, the model C8051F021 of the first single-chip microprocessor MCU 1；First single-chip microprocessor MCU 1 is divided
It is not two-way with the first module external connector, automatic power control circuit, automatic temperature controlling circuit and the first connector FPC1
Connection, the first single-chip microprocessor MCU 1 connection the first operation bulletin indicator lamp；First connector FPC1 is connected with the second connector FPC2,
The linear voltage regulator LDO4 of second connector FPC2 connections the 4th, by the 4th linear voltage regulator LDO4 output+V1 voltages；Second connection
Device FPC2 connecting lasers LD, the second low-noise amplifier LNA2 are connected with the first numerical-control attenuator ATT1, the first numerical control attenuation
Device ATT1 the first low-noise amplifiers of connection LNA1, the first low-noise amplifier LNA1 connecting laser LD, it is defeated by laser LD
Go out to subscriber optical cable.
As shown in Fig. 2 the PD driving plates of Optical Receivers include the second module external connector, the second plug-and-play circuit,
2nd DC/DC converters, the 5th linear voltage regulator LDO5, the 6th linear voltage regulator LDO6, second singlechip MCU2, the second operation
Bulletin indicator lamp and the 3rd connector FPC3；Receive radio frequency processing board include the 4th connector FPC4, opto-electronic conversion diode PD,
3rd low-noise amplifier LNA3, the 4th low-noise amplifier LNA4, the second numerical-control attenuator ATT2；Wherein, the second module pair
Outconnector input is used to access dc source, and output end is connected with the second plug-and-play circuit, the second plug-and-play circuit and the
Two DC/DC converters are connected, and the 2nd DC/DC converters are connected with the 5th linear voltage regulator LDO5；5th linear voltage regulator LDO5
Connect second singlechip MCU2, second singlechip MCU2 models C8051F021；Second singlechip MCU2 respectively with the second module
External connector and the 3rd connector FPC3 are bi-directionally connected, and second singlechip MCU2 connections second run bulletin indicator lamp；3rd
Connector FPC3 is connected with the 4th connector FPC4, the linear voltage regulator LDO6 of the 4th connector FPC4 connections the 6th, by the 6th line
Property voltage-stablizer LDO6 output+V1 voltages；4th connector FPC4 connection opto-electronic conversion diode PD, opto-electronic conversion diode PD connect
Subscriber optical cable, opto-electronic conversion diode PD are connected with the 3rd low-noise amplifier LNA3, the 3rd low-noise amplifier LNA3 and
Two numerical-control attenuator ATT2 connections, the low-noise amplifier LNA4 of the second numerical-control attenuator ATT2 connections the 4th, the 4th low noise are put
Big device LNA4 output access user equipments.
The transmitting radio frequency processing board and LD driving plates of light emission module and the reception radio frequency processing board of Optical Receivers and
PD driving plates are using the front and back for being individually positioned in shielding box in back-to-back fashion.
The main components function that the present invention uses：
1st, module external connector：DIN connector, model：RNI_114404, for accessing dc source.
2nd, plug-and-play circuit and DC/DC（Digital power）Converter：Plug-and-play circuit model：LTC4317；DC/DC（Numeral
Power supply）Converter（12V turns 5V）Model：LMZ36012；12V turns -5V models：LMZ34012；For realizing the hot plug of module
Design and Power convert.DC/DC converters complete the conversion of the wide input voltage of direct-current input power supplying.
3rd, linear voltage regulator LDO：It is respectively automatic for further carrying out voltage stabilizing, output+V1 ,-V and three groups of power supplys of+V2
Power control circuit, automatic temperature controlling circuit and radio frequency processing board, MCU（Single-chip microcomputer）Power supply.
4th, MCU single-chip microcomputers：Model：C8051F020, for the monitoring of module running parameter and communication function.
5th, low-noise amplifier LNA：Model：PGA105+, for LNA, ensure the low noise requirement of radio frequency link.
6th, numerical-control attenuator ATT：Model：AT65-01, it is RF digital adjustable attenuator, realizes different radio frequency power.
7th, laser LD：Model：1754W, optical signal is converted to for radiofrequency signal.
Design principle of the present invention：L-band radiofrequency signal first passes around the radio frequency enhanced processing of light emission module, ensures to enter
Laser LD radio-frequency power is in an optimal performance number, and laser LD is under the driving of automatic power control circuit, there is provided
Direct current biasing, while the light modulation of radio-frequency power is realized, by rf-signal modulation to light carrier.
Optical Receivers receives the light carrier for being modulated with radiofrequency signal, carries out light carrier demodulation first, realizes optical signal
To the transformation of electric signal, because the signal that opto-electronic conversion comes out is very faint, therefore it is amplified first by LNA, and pass through
ATT numerical-control attenuators export after carrying out power adjustment and the amplification of afterbody LNA low-noise amplifiers.
Claims (2)
1. one kind miniaturization L-band ROF optical transceiver modules, are made up of, it is characterised in that institute light emission module and Optical Receivers
Stating light emission module includes transmitting radio frequency processing board and LD driving plates, and Optical Receivers includes receiving radio frequency processing board and PD drivings
Plate；The LD driving plates of the light emission module include the first module external connector, the first plug-and-play circuit, the first DC/DC and turned
Parallel operation, the first linear voltage regulator LDO1, the second linear voltage regulator LDO2, third linear voltage-stablizer LDO3, automated power control electricity
Road, automatic temperature controlling circuit, the first single-chip microprocessor MCU 1, first operation bulletin indicator lamp and the first connector FPC1；The hair
Penetrating radio frequency processing board includes the second connector FPC2, laser LD, the first low-noise amplifier LNA1, the second low-noise amplifier
LNA2 and the first numerical-control attenuator ATT1；Wherein, the first module external connector input is used to access dc source, output end
It is connected with the first plug-and-play circuit input, the first plug-and-play circuit output end is connected with the first DC/DC switch inputs, the
One DC/DC converters connect with the first linear voltage regulator LDO1, the second linear voltage regulator LDO2, third linear voltage-stablizer LDO3 respectively
Connect；First linear voltage regulator LDO1, the second linear voltage regulator LDO2 connect automatic power control circuit, automatic temperature-adjusting control respectively
Circuit, the first single-chip microprocessor MCU of third linear voltage-stablizer LDO3 connections 1, the model C8051F021 of the first single-chip microprocessor MCU 1；First
Single-chip microprocessor MCU 1 connects with the first module external connector, automatic power control circuit, automatic temperature controlling circuit and first respectively
Meet device FPC1 to be bi-directionally connected, the first single-chip microprocessor MCU 1 connection the first operation bulletin indicator lamp；First connector FPC1 and second connects
Meet device FPC2 connections, the linear voltage regulator LDO4 of the second connector FPC2 connections the 4th, by the 4th linear voltage regulator LDO4 outputs+V1
Voltage；Second connector FPC2 connecting lasers LD, the second low-noise amplifier LNA2 are connected with the first numerical-control attenuator ATT1,
First numerical-control attenuator ATT1 the first low-noise amplifiers of connection LNA1, the first low-noise amplifier LNA1 connecting laser LD,
Exported by laser LD to subscriber optical cable；
The PD driving plates of Optical Receivers include the second module external connector, the second plug-and-play circuit, the 2nd DC/DC conversions
Device, the 5th linear voltage regulator LDO5, the 6th linear voltage regulator LDO6, second singlechip MCU2, second operation bulletin indicator lamp and
3rd connector FPC3；The reception radio frequency processing board includes the 4th connector FPC4, opto-electronic conversion diode PD, the 3rd low noise
Acoustic amplifier LNA3, the 4th low-noise amplifier LNA4, the second numerical-control attenuator ATT2；Wherein, the second module external connector
Input is used to access dc source, and output end is connected with the second plug-and-play circuit, and the second plug-and-play circuit and the 2nd DC/DC turn
Parallel operation is connected, and the 2nd DC/DC converters are connected with the 5th linear voltage regulator LDO5；5th linear voltage regulator LDO5 connections second are single
Piece machine MCU2, second singlechip MCU2 models C8051F021；Second singlechip MCU2 respectively with the second module external connector
And the 3rd connector FPC3 be bi-directionally connected, second singlechip MCU2 connections second run bulletin indicator lamp；3rd connector FPC3
It is connected with the 4th connector FPC4, the linear voltage regulator LDO6 of the 4th connector FPC4 connections the 6th, by the 6th linear voltage regulator
LDO6 output+V1 voltages；4th connector FPC4 connection opto-electronic conversion diode PD, opto-electronic conversion diode PD connects user's light
Cable, opto-electronic conversion diode PD are connected with the 3rd low-noise amplifier LNA3, the 3rd low-noise amplifier LNA3 and the second numerical control
Attenuator ATT2 connections, the low-noise amplifier LNA4 of the second numerical-control attenuator ATT2 connections the 4th, the 4th low-noise amplifier
LNA4 exports access user equipment.
2. a kind of miniaturization L-band ROF optical transceiver modules according to claim 1, it is characterised in that the light launches mould
The transmitting radio frequency processing board and LD driving plates of block and the reception radio frequency processing board and PD driving plates of Optical Receivers are using the back of the body
The mode of backrest is individually positioned in the front and back of shielding box.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711328648.1A CN107749781A (en) | 2017-12-13 | 2017-12-13 | One kind miniaturization L-band ROF optical transceiver modules |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711328648.1A CN107749781A (en) | 2017-12-13 | 2017-12-13 | One kind miniaturization L-band ROF optical transceiver modules |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107749781A true CN107749781A (en) | 2018-03-02 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711328648.1A Withdrawn CN107749781A (en) | 2017-12-13 | 2017-12-13 | One kind miniaturization L-band ROF optical transceiver modules |
Country Status (1)
| Country | Link |
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| CN (1) | CN107749781A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111884725A (en) * | 2020-07-24 | 2020-11-03 | 中国电子科技集团公司第三十四研究所 | Multipurpose broadband intelligent radio frequency photoelectric integrated transmitting and receiving assembly |
-
2017
- 2017-12-13 CN CN201711328648.1A patent/CN107749781A/en not_active Withdrawn
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111884725A (en) * | 2020-07-24 | 2020-11-03 | 中国电子科技集团公司第三十四研究所 | Multipurpose broadband intelligent radio frequency photoelectric integrated transmitting and receiving assembly |
| CN111884725B (en) * | 2020-07-24 | 2024-05-28 | 中国电子科技集团公司第三十四研究所 | Multipurpose broadband intelligent radio frequency photoelectric integrated transmitting and receiving assembly |
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| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20180302 |
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| WW01 | Invention patent application withdrawn after publication |