CN109274429A - A kind of digital communication optical transmitter and receiver - Google Patents
A kind of digital communication optical transmitter and receiver Download PDFInfo
- Publication number
- CN109274429A CN109274429A CN201710578398.0A CN201710578398A CN109274429A CN 109274429 A CN109274429 A CN 109274429A CN 201710578398 A CN201710578398 A CN 201710578398A CN 109274429 A CN109274429 A CN 109274429A
- Authority
- CN
- China
- Prior art keywords
- connect
- optical transmitter
- receiver
- decoder
- descrambler
- 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.)
- Pending
Links
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
- H04B10/29—Repeaters
- H04B10/291—Repeaters in which processing or amplification is carried out without conversion of the main signal from optical form
- H04B10/2912—Repeaters in which processing or amplification is carried out without conversion of the main signal from optical form characterised by the medium used for amplification or processing
-
- 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
- H04B10/29—Repeaters
- H04B10/291—Repeaters in which processing or amplification is carried out without conversion of the main signal from optical form
- H04B10/293—Signal power control
- H04B10/294—Signal power control in a multiwavelength system, e.g. gain equalisation
- H04B10/2941—Signal power control in a multiwavelength system, e.g. gain equalisation using an equalising unit, e.g. a filter
-
- 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
- H04B10/60—Receivers
- H04B10/66—Non-coherent receivers, e.g. using direct detection
- H04B10/69—Electrical arrangements in the receiver
- H04B10/691—Arrangements for optimizing the photodetector in the receiver
-
- 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
- H04B10/60—Receivers
- H04B10/66—Non-coherent receivers, e.g. using direct detection
- H04B10/69—Electrical arrangements in the receiver
- H04B10/697—Arrangements for reducing noise and distortion
- H04B10/6971—Arrangements for reducing noise and distortion using equalisation
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K7/00—Constructional details common to different types of electric apparatus
- H05K7/20—Modifications to facilitate cooling, ventilating, or heating
Landscapes
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Electromagnetism (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Thermal Sciences (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Optical Communication System (AREA)
Abstract
The invention discloses a kind of digital communication optical transmitter and receivers, it is related to Communication Engineering technical field, decision device is connect with decoder, decoder is connect with descrambler, descrambler is connect with encoder, encoder is connect with electric terminal interface, and the balanced device is connect by automatic gain control circuit with main amplifier, and balanced device is connect with decision device, decoder, descrambler and encoder respectively by clock recovery circuitry.The device passes through preamplifier and main amplifier for the secondary amplification of the signal of optical cable transmission, then amplified signal is decoded by decoder, descrambler and encoder, descrambled and coding work again, the conversion and transmission of optical signal are more stable, and balanced regulation is carried out by balanced device in entire circuit, electric signal automatic gain can be carried out by automatic gain control circuit, signal is able to maintain higher intensity.
Description
Technical field:
The present invention relates to a kind of digital communication optical transmitter and receivers, belong to Communication Engineering technical field.
Background technique:
Optical transmitter and receiver is exactly the terminal device of optical signal transmission, and due to the raising of current technology, the reduction of optical fiber price makes it each
A field obtains well using (being mainly reflected in safety monitoring), therefore the producer of each optical transmitter and receiver is like being to emerge rapidly in large numbersBamboo shoots after a spring rain
As grow up, optical transmitter and receiver is the transmission device in optical communication system, is substantially carried out photoelectric conversion and transmission, is generally used for electricity
Industries, the optical transmitter and receiver structures of the prior art such as letter, power monitoring and traffic are simple, decoding, coding stability to optical signal
It is not strong, it is easier the interference by outer signals, and then but also the reliability of optical transmitter and receiver is lower.
Summary of the invention:
In view of the above-mentioned problems, the technical problem to be solved in the present invention is to provide a kind of digital communication optical transmitter and receivers.
A kind of digital communication optical transmitter and receiver of the invention, it includes optical transmitter and receiver main body, supporting leg, heat-dissipating cylinder, hermatic door, conjunction
Page, optical cable incoming line, photoelectric detector, preamplifier, main amplifier, balanced device, decision device, decoder, descrambler, coding
Device, electric terminal interface, automatic gain control circuit and clock recovery circuitry, the optical transmitter and receiver main body downside are provided with supporting leg,
The optical transmitter and receiver main body upper side wall is provided with heat-dissipating cylinder, and the optical transmitter and receiver main body front side wall is provided with hermatic door, and hermatic door is logical
It crosses hinge to connect with optical transmitter and receiver main body, the optical transmitter and receiver main body right side wall is provided with optical cable incoming line, in the optical transmitter and receiver main body
Portion is provided with photoelectric detector, and photoelectric detector is connect with preamplifier, and preamplifier is connect with main amplifier, main amplification
Device is connect with balanced device, and balanced device is connect with decision device, and decision device is connect with decoder, and decoder is connect with descrambler, descrambling
Device is connect with encoder, and encoder is connect with electric terminal interface, and the balanced device passes through automatic gain control circuit and main amplification
Device connection, and balanced device is connect with decision device, decoder, descrambler and encoder respectively by clock recovery circuitry.
Preferably, rubber sleeve is arranged in the supporting leg lower end.
Preferably, being provided with dust cap on the upside of the heat-dissipating cylinder.
Preferably, being provided with seal washer on the outside of the hermatic door.
Preferably, the optical cable incoming line right end is provided with loose collar.
Beneficial effects of the present invention: the device is put the signal of optical cable transmission by preamplifier and main amplifier twice
Greatly, then amplified signal is decoded by decoder, descrambler and encoder, descrambled and coding work again, light
The conversion and transmission of signal are more stable, and carry out balanced regulation by balanced device in entire circuit, can be by automatic
Gain control circuit carries out electric signal automatic gain, and signal is able to maintain higher intensity.
Detailed description of the invention:
Detailed description will be given by the following detailed implementation and drawings by the present invention for ease of explanation,.
Fig. 1 is the structural diagram of the present invention；
Fig. 2 is optical transmitter and receiver body interior structural schematic diagram of the invention.
1- optical transmitter and receiver main body；2- supporting leg；3- heat-dissipating cylinder；4- hermatic door；5- hinge；6- optical cable incoming line；The inspection of 7- photoelectricity
Survey device；8- preamplifier；9- main amplifier；10- balanced device；11- decision device；12- decoder；13- descrambler；14- coding
Device；15- electricity terminal interface；16- automatic gain control circuit；17- clock recovery circuitry.
Specific embodiment:
As depicted in figs. 1 and 2, present embodiment use following technical scheme: it include optical transmitter and receiver main body 1, supporting leg 2,
Heat-dissipating cylinder 3, hermatic door 4, hinge 5, optical cable incoming line 6, photoelectric detector 7, preamplifier 8, main amplifier 9, balanced device 10,
Decision device 11, decoder 12, descrambler 13, encoder 14, electric terminal interface 15, automatic gain control circuit 16 and clock recovery
Circuit 17 is provided with supporting leg 2 on the downside of the optical transmitter and receiver main body 1, and 1 upper side wall of optical transmitter and receiver main body is provided with heat-dissipating cylinder 3, institute
It states 1 front side wall of optical transmitter and receiver main body and is provided with hermatic door 4, and hermatic door 4 is connect by hinge 5 with optical transmitter and receiver main body 1, the light end
1 right side wall of owner's body is provided with optical cable incoming line 6, and the optical transmitter and receiver main body 1 is internally provided with photoelectric detector 7, Photoelectric Detection
Device 7 is connect with preamplifier 8, and preamplifier 8 is connect with main amplifier 9, and main amplifier 9 is connect with balanced device 10, balanced
Device 10 is connect with decision device 11, and decision device 11 is connect with decoder 12, and decoder 12 is connect with descrambler 13, descrambler 13 and volume
Code device 14 connects, and encoder 14 connect with electric terminal interface 15, and the balanced device 10 passes through automatic gain control circuit 16 and master
Amplifier 9 connect, and balanced device 10 by clock recovery circuitry 17 respectively with decision device 11, decoder 12, descrambler 13 and compile
Code device 14 connects.
Wherein, rubber sleeve is arranged in 2 lower end of supporting leg, and the setting of rubber sleeve can increase 2 lower end of supporting leg
Frictional force prevents the device from sliding at work；Dust cap, the setting of dust cap are provided on the upside of the heat-dissipating cylinder 3
It can prevent from extraneous dust from entering in heat-dissipating cylinder 3 to pollute；It is provided with seal washer on the outside of the hermatic door 4, is sealed
The sealing performance of hermatic door 4 can be enhanced in the setting of washer；6 right end of optical cable incoming line is provided with loose collar, loose collar
Setting can to enter optical cable incoming line 6 in optical cable constrain, prevent optical cable from sliding in optical cable incoming line 6.
In the use of the present invention, optical cable first to be accessed to the photoelectric detector 7 in optical transmitter and receiver main body 1 by optical cable incoming line 6
In, by photoelectric detector 7 by transmit into optical signal detected and converted, it is right by preamplifier 8 and main amplifier 9
Electric signal after conversion is amplified twice, then by decoder 12, descrambler 13 and encoder 14 to amplified signal
It is decoded, descrambles and coding work again, then the signal after encoding again is transferred out by electric terminal interface 15, is led to
It crosses balanced device 10 and balanced regulation is carried out to the device circuit, increased automatically by automatic gain control circuit 16 to carry out electric signal
Benefit, signal are able to maintain higher intensity.
The above shows and describes the basic principles and main features of the present invention and the advantages of the present invention.The technology of the industry
Personnel are it should be appreciated that the present invention is not limited to the above embodiments, and the above embodiments and description only describe this
The principle of invention, without departing from the spirit and scope of the present invention, various changes and improvements may be made to the invention, these changes
Change and improvement all fall within the protetion scope of the claimed invention.The claimed scope of the invention by appended claims and its
Equivalent thereof.
Claims (5)
1. a kind of digital communication optical transmitter and receiver, it is characterised in that: it includes optical transmitter and receiver main body (1), supporting leg (2), heat-dissipating cylinder
(3), hermatic door (4), hinge (5), optical cable incoming line (6), photoelectric detector (7), preamplifier (8), main amplifier (9),
Balanced device (10), decision device (11), decoder (12), descrambler (13), encoder (14), electric terminal interface (15), automatic increasing
Beneficial control circuit (16) and clock recovery circuitry (17), optical transmitter and receiver main body (1) downside are provided with supporting leg (2), the light
Terminal main body (1) upper side wall is provided with heat-dissipating cylinder (3), and optical transmitter and receiver main body (1) front side wall is provided with hermatic door (4), and close
Closure door (4) is connect by hinge (5) with optical transmitter and receiver main body (1), and optical transmitter and receiver main body (1) right side wall is provided with optical cable incoming line
(6), the optical transmitter and receiver main body (1) is internally provided with photoelectric detector (7), and photoelectric detector (7) and preamplifier (8) are even
Connect, preamplifier (8) is connect with main amplifier (9), and main amplifier (9) is connect with balanced device (10), balanced device (10) with sentence
Certainly device (11) connects, and decision device (11) is connect with decoder (12), and decoder (12) is connect with descrambler (13), descrambler (13)
It is connect with encoder (14), encoder (14) is connect with electric terminal interface (15), and the balanced device (10) passes through automatic gain control
Circuit (16) processed connect with main amplifier (9), and balanced device (10) by clock recovery circuitry (17) respectively with decision device (11),
Decoder (12), descrambler (13) and encoder (14) connection.
2. a kind of digital communication optical transmitter and receiver according to claim 1, it is characterised in that: described supporting leg (2) lower end
Rubber sleeve is set.
3. a kind of digital communication optical transmitter and receiver according to claim 1, it is characterised in that: on the upside of the heat-dissipating cylinder (3)
It is provided with dust cap.
4. a kind of digital communication optical transmitter and receiver according to claim 1, it is characterised in that: on the outside of the hermatic door (4)
It is provided with seal washer.
5. a kind of digital communication optical transmitter and receiver according to claim 1, it is characterised in that: the optical cable incoming line (6)
Right end is provided with loose collar.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710578398.0A CN109274429A (en) | 2017-07-17 | 2017-07-17 | A kind of digital communication optical transmitter and receiver |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710578398.0A CN109274429A (en) | 2017-07-17 | 2017-07-17 | A kind of digital communication optical transmitter and receiver |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109274429A true CN109274429A (en) | 2019-01-25 |
Family
ID=65147662
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710578398.0A Pending CN109274429A (en) | 2017-07-17 | 2017-07-17 | A kind of digital communication optical transmitter and receiver |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109274429A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111835423A (en) * | 2020-08-07 | 2020-10-27 | 武汉锐奥特科技有限公司 | Communication system of QSFP28 type packaged 100G optical module |
-
2017
- 2017-07-17 CN CN201710578398.0A patent/CN109274429A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111835423A (en) * | 2020-08-07 | 2020-10-27 | 武汉锐奥特科技有限公司 | Communication system of QSFP28 type packaged 100G optical module |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN105680941A (en) | Underwater LED (Light-Emitting Diode) long distance communication system based on visible light | |
| CN109274429A (en) | A kind of digital communication optical transmitter and receiver | |
| CN105811350A (en) | Underwater photoelectric separation connecting cavity and connecting method therefor | |
| GB2559239A (en) | Seal assembly | |
| CN207117630U (en) | A kind of digital communication optical transmitter and receiver | |
| CN207817258U (en) | A kind of fast socket, connector | |
| CN205280837U (en) | Arc light detection sensor | |
| CN206211488U (en) | A kind of Water proof junction box for cable | |
| CN205544175U (en) | Be used for chamber of continuing of photodetachment under water | |
| CN208369721U (en) | A kind of radiation resistance water-proof CCD camera | |
| CN208224542U (en) | Fiber adapter and joint | |
| CN208638008U (en) | A kind of arc light photoelectricity transmitter | |
| CN208595978U (en) | A kind of device of the adaptively correcting range estimation detector aberration based on genetic algorithm | |
| CN207423228U (en) | A kind of photoelectric sensor | |
| CN110081970A (en) | A kind of receiver protector of band SOA module | |
| CN207382451U (en) | A kind of agricultural machinery remote real-time monitoring device | |
| CN105846903A (en) | Low-speed rate DC-20Mbps receiving-transmitting integrated SFP optical module | |
| CN205910377U (en) | Quick and dirt -proof fiber connector of installation | |
| CN205304809U (en) | Optical transceiver | |
| CN205071004U (en) | A low -power consumption receiving converter circuit board for optic fibre digital signal transmission | |
| CN208386558U (en) | Novel optical transceiving integrated module | |
| CN210090767U (en) | Direct-buried optical cable | |
| CN205610645U (en) | LED communication and lighting system based on FPGA | |
| CN204836353U (en) | Transition system with multiple signal normalization DVI and SDI | |
| CN205071229U (en) | Digital video fiber transmission system is used in experiment teaching |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| WD01 | Invention patent application deemed withdrawn after publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20190125 |