CN201365254Y - Novel one-drag-more intelligent radio frequency optical module - Google Patents
Novel one-drag-more intelligent radio frequency optical module Download PDFInfo
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- CN201365254Y CN201365254Y CN 200820182925 CN200820182925U CN201365254Y CN 201365254 Y CN201365254 Y CN 201365254Y CN 200820182925 CN200820182925 CN 200820182925 CN 200820182925 U CN200820182925 U CN 200820182925U CN 201365254 Y CN201365254 Y CN 201365254Y
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Abstract
The utility model relates to a novel one-drag-more intelligent radio frequency optical module, which relates to the field of radio frequency communication equipment, and comprises a laser connected with a RF In interface and a power combiner connected with a RF Out interface; the output end of the laser is connected with a plurality of wavelength division multiplexers with optical interfaces by an optical splitter; the output port of each wavelength division multiplexer is respectively connected with the input port of a detector; the output port of each detector is respectively connected with an input port of the same power combiner; and a module control unit is at least respectively connected with the control interface of the laser, the control interface of each detector and the control interface of the power combiner. As a near-end module, the novel one-drag-more intelligent radio frequency optical module has simple and reasonable structure; an optical device in the module is in a one-sending and more-receiving structure, can communicate with a plurality of far-end modules, can independently regulate the gain of each far end, prevents the uplink noise from interfering with a base station, and reduces the production cost.
Description
Technical field
The utility model relates to the radio frequency communication devices field, and a kind of specifically novel one drags many intelligent RFs optical module.
Background technology
Existing one drags many optical fiber repeaters system that following dual mode is arranged, electricity shown in Figure 1 closes the mode on road and the mode on photosynthetic road shown in Figure 2, the mode that adopts electricity to close the road is dragged many systems for one one, by electric coupling downstream signal is shunted to and be converted into light signal behind the input port of different near-end radio frequency optical modules and send to different far-ends, for upward signal, close Lu Chengyi road signal from the signal of radio frequency optical module delivery outlet output by electric coupling and send into the base station again.Electricity closes in the mode on road, and each far-end all needs a near-end radio frequency optical module corresponding one by one with it, and cost is very high.Adopting no matter the mode on photosynthetic road is upward signal or downstream signal, all is the descending shunt and the up road of closing of finishing radiofrequency signal by optical coupler.In the mode on photosynthetic road, what far-ends all only adopt a near-end, cost is lower, but owing to adopt the road of closing of light path, and the phenomenon that can occur interfering the laser of different far-ends sends photosynthetic road the time when two wavelength intervals of certain that particularly occurs are very little, bigger interference can occur under extremely special situation, thereby cause the upstream noise fluctuation, cause interference the base station; Owing to a shared near-end receiving unit, the adjusting of up gain also just has one simultaneously, therefore can not make up gain carry out separate regulation according to the situation of different far-ends, brings some troubles for opening of actual engineering.
The utility model content
At the defective that exists in the prior art, the purpose of this utility model is to provide a kind of novel one to drag many intelligent RFs optical module, local module as system, simple and reasonable, the optical device of module piece inside adopts the multicast structure, can communicate by letter with a plurality of remote end modules, but and the gain of each far-end of independent regulation, and avoided the interference of upstream noise to the base station, reduced production cost.
For reaching above purpose, the technical scheme that the utility model is taked is:
A kind of novel one drags many intelligent RFs optical module, it is characterized in that: comprise a laser that is connected with RF In interface and an electric mixer that is connected with RF Out interface, the output of laser is connected with some wavelength division multiplexers that possess optical fiber interface by an optical branching device, the output port of each wavelength division multiplexer is connected with the input port of a detector respectively, the delivery outlet of each detector is connected with an input port of same electric mixer respectively, module control unit at least respectively with the control interface of laser, the control interface of each detector, the control interface of electricity mixer connects.
On the basis of technique scheme, radio-frequency input signals is imported from RF In interface, be transported to the input of laser successively behind the drive circuit through input matching unit, the first low noise amplifying unit, temperature compensation unit, first filter unit, laser, convert radio-frequency input signals to light signal; Said input matching unit is connected to module control unit through the first radiofrequency signal power collecting unit, an A/D converting unit successively; The delivery outlet of each detector is respectively successively through being connected with an input port of electric mixer behind one road low noise amplifying unit, the numerical-control attenuator; The control interface of said numerical-control attenuator is connected with module control unit; The control interface of said electric mixer is connected to module control unit through first low-pass filter unit, FSK demodulating unit successively; The electricity mixer is connected through first filter unit, amplifying unit, power amplifier unit and RF Out interface successively; The output port of power amplifier unit is connected to module control unit through the second radiofrequency signal power collecting unit, the 2nd A/D converting unit successively; The drive circuit of laser is connected to module control unit through second low-pass filter unit, FSK modulator successively; The control interface of laser is connected with the first luminous power collecting unit, bias current collecting unit respectively, the first luminous power collecting unit is connected to module control unit through the 3rd A/D converting unit, and the bias current collecting unit is connected to module control unit through the 4th A/D converting unit; Detector is connected to module control unit through the second luminous power collecting unit, the 5th A/D converting unit successively.
On the basis of technique scheme, input matching unit, luminous power collecting unit and bias current collecting unit are resistor network, it is MGA53543 that low noise amplifies model, the amplifying unit model is HMC452, the numerical-control attenuator model is HM274, filter unit and low-pass filter unit model are that HFCN-740, FSK modulator and fsk demodulator model are CC1000, radiofrequency signal power collecting unit model is ADM8362, the power amplifier unit model is HMC452, the temperature-compensation circuit model is HMC274, and A/D conversion model is MAX192B.
On the basis of technique scheme, the module control unit model is C8051F023TQFP64, and the laser model is PT3353, and wavelength division multiplexer and optical branching device are the optical device assembly that laser carries, and the detector model is PDCS983.
Described in the utility model novel one drags many intelligent RFs optical module, local module as system, simple and reasonable, the optical device of module piece inside adopts the multicast structure, can communicate by letter with a plurality of remote end modules, but and the gain of each far-end of independent regulation, and avoided the interference of upstream noise to the base station, reduced production cost.
Description of drawings
The utility model has following accompanying drawing:
Fig. 1 existing one drags many electricity to close road mode optical fiber repeater system principle diagram
Fig. 2 existing one drags how photosynthetic road mode optical fiber repeater system principle diagram
Fig. 3 system principle diagram of the present utility model
Fig. 4 novel one drags many intelligent RFs optical module schematic diagram
Embodiment
Below in conjunction with accompanying drawing the utility model is described in further detail.
Fig. 3 is a system principle diagram of the present utility model, proximal part among Fig. 3 is described in the utility model novel one and drags many intelligent RFs optical module, comprise a laser that is connected with RF In interface and an electric mixer that is connected with RF Out interface, the output of laser is connected with some wavelength division multiplexers that possess optical fiber interface by an optical branching device, the output port of each wavelength division multiplexer is connected with the input port of a detector respectively, the delivery outlet of each detector is connected with an input port of same electric mixer respectively, module control unit at least respectively with the control interface of laser, the control interface of each detector, the control interface of electricity mixer connects.The optical device of inside modules adopts the multicast structure, promptly adopt a laser (optical transmitting component), a plurality of detectors (light receiving element), the light that described optical transmitting component (laser) sends carries out beam split through optical branching device, with one road light demultiplexing light, carry out wavelength division multiplexing by wavelength division multiplexer again through after the beam split, thereby finish single fiber transmission near, far-end information.From cost consideration, because the proportion maximum that the laser cost accounts for surpasses 50%, adopt single laser, can reduce cost of the present utility model; Adopt a plurality of detectors, upward signal no longer adopts the road of closing of light, also just interference of light can not occur, has also just solved the interference problem of upstream noise to the base station; Adopt different rf gain controllers to control the gain (referring to Fig. 4) of different up links respectively, also just can regulate the up gain of different far-ends respectively, thereby adapt to different site environments.As shown in Figure 3, adopt this mode of the utility model, for downstream signal, the radio-frequency input signals that enters optical fiber repeater near-end machine (near-end) is sent into one and is dragged many intelligent RFs optical module, laser is sent into optical branching device after this radio-frequency input signals is converted into light signal, the light signal demultiplexing that will comprise radiofrequency signal information is delivered to different far-ends through wavelength division multiplexer with optical fiber then; For upward signal, the light signal that the multichannel far-end transmits comprises radiofrequency signal information is converted into radiofrequency signal through entering different detectors respectively behind optical fiber and the wavelength division multiplexer, the multi-channel rf signal is through electric mixer synthetic a tunnel, this road signal of telecommunication amplify through filtering, radio frequency and power amplification after, drag many intelligent RFs optical module from one and to send.
On the basis of technique scheme, more particularly, as shown in Figure 4, radio-frequency input signals is imported from RF In interface, be transported to the input of laser successively behind the drive circuit through input matching unit, the first low noise amplifying unit, temperature compensation unit, first filter unit, laser, convert radio-frequency input signals to light signal; Said input matching unit is connected to module control unit through the first radiofrequency signal power collecting unit, an A/D converting unit successively; The delivery outlet of each detector is respectively successively through being connected with an input port of electric mixer behind one road low noise amplifying unit, the numerical-control attenuator; The control interface of said numerical-control attenuator is connected with module control unit; The control interface of said electric mixer is connected to module control unit through first low-pass filter unit, FSK demodulating unit successively; The electricity mixer is connected through first filter unit, amplifying unit, power amplifier unit and RF Out interface successively; The output port of power amplifier unit is connected to module control unit through the second radiofrequency signal power collecting unit, the 2nd A/D converting unit successively; The drive circuit of laser is connected to module control unit through second low-pass filter unit, FSK modulator successively; The control interface of laser is connected with the first luminous power collecting unit, bias current collecting unit respectively, the first luminous power collecting unit is connected to module control unit through the 3rd A/D converting unit, and the bias current collecting unit is connected to module control unit through the 4th A/D converting unit; Detector is connected to module control unit through the second luminous power collecting unit, the 5th A/D converting unit successively.Module control unit through information processing, is regulated the decay of control optical power attenuation and radio-frequency power to luminous power, radiofrequency signal power samples, drags many intelligent RFs optical module power output to regulate novel one; Each parts also can be given module control unit with alarm of its generation (unglazed as receiving, send out unglazed) and state information report.
On the basis of technique scheme, input matching unit, luminous power collecting unit and bias current collecting unit are resistor network, it is MGA53543 that low noise amplifies model, the amplifying unit model is HMC452, the numerical-control attenuator model is HM274, filter unit and low-pass filter unit model are that HFCN-740, FSK modulator and fsk demodulator model are CC1000, radiofrequency signal power collecting unit model is ADM8362, the power amplifier unit model is HMC452, the temperature-compensation circuit model is HMC274, and A/D conversion model is MAX192B.
On the basis of technique scheme, the module control unit model is C8051F023TQFP64, and the laser model is PT3353, and wavelength division multiplexer and optical branching device are the optical device assembly that laser carries, and the detector model is PDCS983.
Claims (4)
1. one kind novel one is dragged many intelligent RFs optical module, it is characterized in that: comprise a laser that is connected with RF In interface and an electric mixer that is connected with RF Out interface, the output of laser is connected with some wavelength division multiplexers that possess optical fiber interface by an optical branching device, the output port of each wavelength division multiplexer is connected with the input port of a detector respectively, the delivery outlet of each detector is connected with an input port of same electric mixer respectively, module control unit at least respectively with the control interface of laser, the control interface of each detector, the control interface of electricity mixer connects.
2. as claimed in claim 1 novel one drags many intelligent RFs optical module, it is characterized in that: radio-frequency input signals is imported from RF In interface, be transported to the input of laser successively behind the drive circuit through input matching unit, the first low noise amplifying unit, temperature compensation unit, first filter unit, laser, convert radio-frequency input signals to light signal; Said input matching unit is connected to module control unit through the first radiofrequency signal power collecting unit, an A/D converting unit successively;
The delivery outlet of each detector is respectively successively through being connected with an input port of electric mixer behind one road low noise amplifying unit, the numerical-control attenuator; The control interface of said numerical-control attenuator is connected with module control unit; The control interface of said electric mixer is connected to module control unit through first low-pass filter unit, FSK demodulating unit successively; The electricity mixer is connected through first filter unit, amplifying unit, power amplifier unit and RF Out interface successively; The output port of power amplifier unit is connected to module control unit through the second radiofrequency signal power collecting unit, the 2nd A/D converting unit successively;
The drive circuit of laser is connected to module control unit through second low-pass filter unit, FSK modulator successively; The control interface of laser is connected with the first luminous power collecting unit, bias current collecting unit respectively, the first luminous power collecting unit is connected to module control unit through the 3rd A/D converting unit, and the bias current collecting unit is connected to module control unit through the 4th A/D converting unit;
Detector is connected to module control unit through the second luminous power collecting unit, the 5th A/D converting unit successively.
3. as claimed in claim 2 novel one drags many intelligent RFs optical module, it is characterized in that: the input matching unit, luminous power collecting unit and bias current collecting unit are resistor network, it is MGA53543 that low noise amplifies model, the amplifying unit model is HMC452, the numerical-control attenuator model is HM274, filter unit and low-pass filter unit model are HFCN-740, FSK modulator and fsk demodulator model are CC1000, radiofrequency signal power collecting unit model is ADM8362, the power amplifier unit model is HMC452, the temperature-compensation circuit model is HMC274, and A/D conversion model is MAX192B.
4, drag many intelligent RFs optical module as claim 1 or 2 or 3 described novel, it is characterized in that: the module control unit model is C8051F023TQFP64, the laser model is PT3353, wavelength division multiplexer and optical branching device are the optical device assembly that laser carries, and the detector model is PDCS983.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN 200820182925 CN201365254Y (en) | 2008-12-25 | 2008-12-25 | Novel one-drag-more intelligent radio frequency optical module |
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| Application Number | Priority Date | Filing Date | Title |
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| CN 200820182925 CN201365254Y (en) | 2008-12-25 | 2008-12-25 | Novel one-drag-more intelligent radio frequency optical module |
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| CN201365254Y true CN201365254Y (en) | 2009-12-16 |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101895337A (en) * | 2010-07-07 | 2010-11-24 | 东莞市铭普实业有限公司 | Double-fiber hot backup radio-frequency intelligent optical module |
| CN103647609A (en) * | 2013-12-09 | 2014-03-19 | 中国联合网络通信集团有限公司 | Method of restraining base station bottom noise and equipment thereof |
| CN104393929A (en) * | 2014-12-02 | 2015-03-04 | 苏州市欧博锐自动化科技有限公司 | Optical transmitter based on unit gain second-order high-pass filter circuit |
| CN104410461A (en) * | 2014-12-02 | 2015-03-11 | 苏州市欧博锐自动化科技有限公司 | Optical transmitter based on normalizing filtering circuit |
| CN104410460A (en) * | 2014-12-02 | 2015-03-11 | 苏州市欧博锐自动化科技有限公司 | Optical transmitter based on first-order bypass filter circuit |
| CN109831254A (en) * | 2017-11-23 | 2019-05-31 | 通号通信信息集团上海有限公司 | A kind of optic-fiber repeater system using wavelength-division multiplex technique |
| WO2023103386A1 (en) * | 2021-12-07 | 2023-06-15 | 普罗斯通信技术（苏州）有限公司 | Optical module |
-
2008
- 2008-12-25 CN CN 200820182925 patent/CN201365254Y/en not_active Expired - Fee Related
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101895337A (en) * | 2010-07-07 | 2010-11-24 | 东莞市铭普实业有限公司 | Double-fiber hot backup radio-frequency intelligent optical module |
| CN101895337B (en) * | 2010-07-07 | 2013-03-13 | 东莞铭普光磁股份有限公司 | Double-fiber hot backup radio-frequency intelligent optical module |
| CN103647609A (en) * | 2013-12-09 | 2014-03-19 | 中国联合网络通信集团有限公司 | Method of restraining base station bottom noise and equipment thereof |
| CN103647609B (en) * | 2013-12-09 | 2015-11-25 | 中国联合网络通信集团有限公司 | Suppress the method and apparatus of base station bottom noise |
| CN104393929A (en) * | 2014-12-02 | 2015-03-04 | 苏州市欧博锐自动化科技有限公司 | Optical transmitter based on unit gain second-order high-pass filter circuit |
| CN104410461A (en) * | 2014-12-02 | 2015-03-11 | 苏州市欧博锐自动化科技有限公司 | Optical transmitter based on normalizing filtering circuit |
| CN104410460A (en) * | 2014-12-02 | 2015-03-11 | 苏州市欧博锐自动化科技有限公司 | Optical transmitter based on first-order bypass filter circuit |
| CN109831254A (en) * | 2017-11-23 | 2019-05-31 | 通号通信信息集团上海有限公司 | A kind of optic-fiber repeater system using wavelength-division multiplex technique |
| CN109831254B (en) * | 2017-11-23 | 2023-10-10 | 通号通信信息集团上海有限公司 | Optical fiber repeater system using wavelength division multiplexing technology |
| WO2023103386A1 (en) * | 2021-12-07 | 2023-06-15 | 普罗斯通信技术（苏州）有限公司 | Optical module |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20091216 Termination date: 20171225 |
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| CF01 | Termination of patent right due to non-payment of annual fee |