CN107800485A - Light carries radio frequency analog transmission signal transceiver - Google Patents
Light carries radio frequency analog transmission signal transceiver Download PDFInfo
- Publication number
- CN107800485A CN107800485A CN201610771280.5A CN201610771280A CN107800485A CN 107800485 A CN107800485 A CN 107800485A CN 201610771280 A CN201610771280 A CN 201610771280A CN 107800485 A CN107800485 A CN 107800485A
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- CN
- China
- Prior art keywords
- radio frequency
- circuits
- light
- circuit
- light intensity
- 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.)
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Classifications
-
- 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
-
- 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
Abstract
The present invention discloses a kind of light and carries radio frequency analog transmission signal transceiver, continuous-wave laser including passing sequentially through optical fiber connection, light intensity modulator, modulation amplifier, light path switch, continuous-wave laser connects drive circuit, APC circuits, ATC circuits, light intensity modulator connects radio circuit by radio-frequency cable, light intensity modulator connects automatic bias controller, light path switch connects control circuit, PD optical circuits, PD optical circuits connect radio frequency AGC amplifying circuits, radio frequency AGC amplifying circuits connect radio frequency amplitude limiter circuit, radio frequency amplitude limiter circuit connects rf output circuit.The present invention can solve the problem that the problem of Large Copacity signal transmission, antijamming capability, the capacity and quality of signal of communication be improved significantly, also greatly reduce in physics construction in addition, be also greatly improved in terms of environmental protection, reduce the radiation of space radiofrequency signal.
Description
Technical field
The present invention relates to optical communication field, more particularly to a kind of light to carry radio frequency analog transmission signal transceiver.
Background technology
Existing light device technology mainly uses digital technology, and fiber-optic signal is handled.Because by AD sampling A/D chips
Limitation, major defect is that signal volume is small, and the speed of data sampling is slow.
The content of the invention
The present invention is intended to provide a kind of light carries radio frequency analog transmission signal transceiver, the capacity and quality of signal of communication obtain
It is obviously improved, also greatly reduces in physics construction in addition, be also greatly improved in terms of environmental protection, reduces space radio frequency letter
Number radiation.
To reach above-mentioned purpose, the present invention is realized using following technical scheme：
Light disclosed by the invention carries radio frequency analog transmission signal transceiver, including passes sequentially through the continuous wave that optical fiber connects and swash
Light device, light intensity modulator, modulation amplifier, light path switch, the continuous-wave laser connection drive circuit, APC electricity
Road, ATC circuits, the light intensity modulator connect radio circuit, light intensity modulator connection automatic bias by radio-frequency cable
Controller, the light path switch connection control circuit, PD optical circuits, the PD optical circuits connect radio frequency AGC amplifying circuits, described
Radio frequency AGC amplifying circuits connect radio frequency amplitude limiter circuit, and the radio frequency amplitude limiter circuit connects rf output circuit.
Further, the light intensity modulator is also connected with PD circuits.
Preferably, the light intensity modulator is lithium niobate electro-optic intensity modulator.
Further, the light path switch connects PD photodetector receivers by optical fiber.
The operation principle of the present invention：The present invention modulate emission part, all the way lasing light emitter provide optical carrier, another way
Rf modulated signal is provided, they are sent into light intensity modulator and carry out electro-optical modulation, and transmitting is exported after modulation, and this optical signal is taken
With the radiofrequency signal with modulation.Receiving portion, by controlling photoswitch, in state is received, PD photodetector receivers connect
The fiber-optic signal in optical fiber is received, then carries out opto-electronic conversion, is converted into the radiofrequency signal with modulation.It is sent into after radiofrequency signal demodulation
Baseband module is handled.
It is a kind of fiber optic communication and radio frequency signal communication phase that light disclosed by the invention, which carries radio frequency analog transmission signal transceiver,
With reference to the technology using optical fiber instead of cable transmission radiofrequency signal.Optical fiber transmission has Large Copacity, low-loss, electromagnetism interference
The features such as ability is strong, it is the main force of broadband connections in future.It can apply to share a central station using multiple base stations,
And largely simplify base station functions with cost-effective, be one of scheme for solving NGBW access；It can also use
In radar system, main frame and antenna can be separated, so as to improve fight capability.It can be used for intelligent transportation system, there is provided
Real-time Transmission Large Volume Data etc..
The present invention can solve the problem that the problem of Large Copacity signal transmission, and antijamming capability, the capacity and quality of signal of communication obtain
To being obviously improved, also greatly reduce in physics construction in addition, be also greatly improved in terms of environmental protection, reduce space radio frequency
The radiation of signal.
Brief description of the drawings
Fig. 1 is the theory diagram of the present invention.
Embodiment
In order to make the purpose , technical scheme and advantage of the present invention be clearer, below in conjunction with accompanying drawing, the present invention is entered
Row is further described.
As shown in figure 1, light disclosed by the invention carries radio frequency analog transmission signal transceiver, including pass sequentially through optical fiber connection
Continuous-wave laser, light intensity modulator, modulation amplifier, light path switch, continuous-wave laser connection drive circuit,
APC circuits, ATC circuits, light intensity modulator connect radio circuit, light intensity modulator connection automatic bias by radio-frequency cable
Controller, light path switch connection control circuit, PD optical circuits, the PD optical circuits connect radio frequency AGC amplifying circuits, radio frequency AGC
Amplifying circuit connects radio frequency amplitude limiter circuit, radio frequency amplitude limiter circuit connection rf output circuit.
Light intensity modulator is also connected with PD circuits.Light intensity modulator is lithium niobate electro-optic intensity modulator.Light path switch
PD photodetector receivers are connected by optical fiber.
Certainly, the present invention can also have other various embodiments, ripe in the case of without departing substantially from spirit of the invention and its essence
Various corresponding changes and deformation, but these corresponding changes and deformation can be made according to the present invention by knowing those skilled in the art
The protection domain of appended claims of the invention should all be belonged to.
Claims (4)
1. light carries radio frequency analog transmission signal transceiver, it is characterised in that：Continuous wave laser including passing sequentially through optical fiber connection
Device, light intensity modulator, modulation amplifier, light path switch, continuous-wave laser connection drive circuit, APC circuits,
ATC circuits, the light intensity modulator connect radio circuit, light intensity modulator connection automatic bias control by radio-frequency cable
Device, the light path switch connection control circuit, PD optical circuits, the PD optical circuits connect radio frequency AGC amplifying circuits, the radio frequency
AGC amplifying circuits connect radio frequency amplitude limiter circuit, and the radio frequency amplitude limiter circuit connects rf output circuit.
2. light according to claim 1 carries radio frequency analog transmission signal transceiver, it is characterised in that：The light intensity modulation
Device is also connected with PD circuits.
3. light according to claim 1 carries radio frequency analog transmission signal transceiver, it is characterised in that：The light intensity modulation
Device is lithium niobate electro-optic intensity modulator.
4. light according to claim 1 carries radio frequency analog transmission signal transceiver, it is characterised in that：The light path switch leads to
Cross optical fiber connection PD photodetector receivers.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610771280.5A CN107800485A (en) | 2016-08-30 | 2016-08-30 | Light carries radio frequency analog transmission signal transceiver |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610771280.5A CN107800485A (en) | 2016-08-30 | 2016-08-30 | Light carries radio frequency analog transmission signal transceiver |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107800485A true CN107800485A (en) | 2018-03-13 |
Family
ID=61529018
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610771280.5A Pending CN107800485A (en) | 2016-08-30 | 2016-08-30 | Light carries radio frequency analog transmission signal transceiver |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107800485A (en) |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5311196A (en) * | 1993-07-16 | 1994-05-10 | The United States Of America As Represented By The Secretary Of The Air Force | Optical system for microwave beamforming using intensity summing |
| US6538781B1 (en) * | 1997-02-25 | 2003-03-25 | John Beierle | Multimedia distribution system using fiber optic lines |
| US20070165294A1 (en) * | 2006-01-13 | 2007-07-19 | Emcore Corp. | Integrated circuit for adjusting bias in optical transmitter with external modulator |
| CN102025420A (en) * | 2010-11-30 | 2011-04-20 | 浙江大学 | Single-fiber photocarrier transmission system and method of wideband radar signals and digital control signals |
| US20110221627A1 (en) * | 2008-09-18 | 2011-09-15 | Selex Sistemi Integrati S.P.A. | Switchable delays optical fibre transponder with optical generation of doppler shift |
| CN102664681A (en) * | 2012-04-16 | 2012-09-12 | 广州飞瑞敖电子科技有限公司 | Radio-over-fiber switching system |
| CN204536592U (en) * | 2015-03-20 | 2015-08-05 | 孙磊 | One step-by-step movement temperature control type fibre delay line time delay |
| CN205986881U (en) * | 2016-08-30 | 2017-02-22 | 成都芯瑞科技股份有限公司 | Light carries radio frequency analogue transmission signal transceiver |
-
2016
- 2016-08-30 CN CN201610771280.5A patent/CN107800485A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5311196A (en) * | 1993-07-16 | 1994-05-10 | The United States Of America As Represented By The Secretary Of The Air Force | Optical system for microwave beamforming using intensity summing |
| US6538781B1 (en) * | 1997-02-25 | 2003-03-25 | John Beierle | Multimedia distribution system using fiber optic lines |
| US20070165294A1 (en) * | 2006-01-13 | 2007-07-19 | Emcore Corp. | Integrated circuit for adjusting bias in optical transmitter with external modulator |
| US20110221627A1 (en) * | 2008-09-18 | 2011-09-15 | Selex Sistemi Integrati S.P.A. | Switchable delays optical fibre transponder with optical generation of doppler shift |
| CN102025420A (en) * | 2010-11-30 | 2011-04-20 | 浙江大学 | Single-fiber photocarrier transmission system and method of wideband radar signals and digital control signals |
| CN102664681A (en) * | 2012-04-16 | 2012-09-12 | 广州飞瑞敖电子科技有限公司 | Radio-over-fiber switching system |
| CN204536592U (en) * | 2015-03-20 | 2015-08-05 | 孙磊 | One step-by-step movement temperature control type fibre delay line time delay |
| CN205986881U (en) * | 2016-08-30 | 2017-02-22 | 成都芯瑞科技股份有限公司 | Light carries radio frequency analogue transmission signal transceiver |
Non-Patent Citations (1)
| Title |
|---|
| 赵尚弘;李勇军;朱子行;赵卫虎;侯睿;楚兴春;: "星上微波光子技术应用研究进展", 空间电子技术, no. 04 * |
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