CN106972892A - A kind of novel C ATV optical fiber and digitals television reception thermomechanical components - Google Patents
A kind of novel C ATV optical fiber and digitals television reception thermomechanical components Download PDFInfo
- Publication number
- CN106972892A CN106972892A CN201710313285.8A CN201710313285A CN106972892A CN 106972892 A CN106972892 A CN 106972892A CN 201710313285 A CN201710313285 A CN 201710313285A CN 106972892 A CN106972892 A CN 106972892A
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- China
- Prior art keywords
- signal
- optical fiber
- box body
- atv
- novel
- 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
- H04B10/60—Receivers
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N5/00—Details of television systems
- H04N5/44—Receiver circuitry for the reception of television signals according to analogue transmission standards
Abstract
The present invention provides a kind of novel C ATV optical fiber and digitals television reception thermomechanical components, including box body and the photoreceiver component and master control circuit board that are arranged at tray interior；Photoreceiver component includes photodetector, input signal amplifier, microprocessor, equalization filter and output signal amplifier；The optical signal for being transferred to photodetector position by optical fiber is changed into electric signal, and it is sent to input signal amplifier progress signal enhanced processing, electric signal transmission after the completion of processing is transferred to output signal amplifier position and carries out signal amplification again to being filtered after the completion of processing, processing at equalization filter；Box body rear end offers HDMI signal inputs, AV signal inputs and power supply connector；Each part of the design, which is shared out the work and help one another, allows this equipment to reach faster signaling rate, and with good sensitivity, it is ensured that enough bandwidth.
Description
[technical field]
The present invention relates to photoreceiver component technology field, more particularly to a kind of structure design is reliable, good appearance and work(
The perfect novel C ATV optical fiber and digital television reception thermomechanical components of energy.
[background technology]
In recent years, Fibre Optical Communication Technology had obtained quick development, in fiber optic communication systems, photoreceiver (Optical
Receiver task) is, with minimum additional noise and distortion, to recover after optical fiber transmission as the information entrained by light carrier,
Therefore the output characteristics concentrated expression performance of whole optical fiber telecommunications system of photoreceiver.The optical signal warp of optical sender transmitting
After transmission, not only amplitude fading, and impulse waveform also broadening, the effect of photoreceiver is exactly detection by the micro- of transmission
Low light signals, and amplify, shaping, the former transmission signal of regeneration.
Photodetector main function in photoreceiver is that optical signal is changed into electric signal using photoelectric effect.In light
In communication system, the requirement to photodetector is that sensitivity is high, response is fast, noise is small, cost is low and reliability is high.Photoelectricity is examined
The general principle of survey process is light absorbs.The photoelectric detector commonly used in optical communication system is PIN photodiode and snowslide
Diode (APD), the performance comparision of two kinds of detectors：Because the PIN of same performance is compared with APD, PIN price is cheap,
And PIN noise is low, current digital television techniques have obtained quick development, and occur in that using CATV optical fiber technologies
Digital television receiver, however, the receiver function occurred on Vehicles Collected from Market, configuration aspects can not still meet actual use
How demand, carry out perfect performance, be the problem of those skilled in the art often considers.
Based on this, those skilled in the art has carried out substantial amounts of research and development and experiment, and achieves preferable achievement.
[content of the invention]
To overcome the problems of prior art, the present invention provides a kind of reliable structure design, good appearance and function
Perfect novel C ATV optical fiber and digital television reception thermomechanical components.
The scheme that the present invention solves technical problem is to provide a kind of novel C ATV optical fiber and digitals television reception thermomechanical components, including
Box body and the photoreceiver component and master control circuit board for being arranged at tray interior；The photoreceiver component is examined including light
Survey device, input signal amplifier, microprocessor, equalization filter and output signal amplifier；The photodetector, input letter
Number amplifier, equalization filter and output signal amplifier and microprocessor are electrically connected with, and output signal amplification
The master control circuit board of device and tray interior is electrically connected with；The input of photodetector is electrical by optical fiber and outside optical sender
Connect, the optical signal for being transferred to photodetector position by optical fiber is changed into electric signal, and be sent to input signal amplifier
Processing is filtered at row signal enhanced processing, electric signal transmission after the completion of processing to equalization filter, is passed after the completion of processing
It is defeated to carry out signal amplification again to output signal amplifier position；MSD7T01 master control cores are provided with the master control circuit board
Piece and MXL608 tuning chips, and offer in box body rear end HDMI signal inputs, AV signal inputs and power supply connection
Mouthful；The HDMI signal inputs and AV signal inputs are electrically connected with the MSD7T01 main control chips；MSD7T01 master controls
Chip is electrically connected with MXL608 tuning chips；The cartridge upper surface is provided with several control buttons, and in box body front
The signal lamp being electrically connected with master control circuit board is set.
Preferably, the URAT data transfers that the box body rear end is additionally provided with for carrying out data transmission with external equipment connect
Interface.
Preferably, the photoreceiver component also includes being electrically connected with microprocessor, exports electric signal width for control
The automatic gain control unit of degree level；And the scope of the light path automatic gain control of the automatic gain control unit is 10dBm.
Preferably, also it is electrically connected between the photodetector and input signal amplifier for carrying out energy distribution
Coupler；Optical signal is changed into electric signal through photodetector, and input signal amplifier is inputted after carrying out signal coupling through coupler.
Preferably, the wave-length coverage of the photodetector detection outside input light is 1100-1600nm.
Preferably, a kind of novel C ATV optical fiber and digital television receptions thermomechanical components also include being arranged at dissipating for tray interior
Hot-air fan, the radiator fan is fixedly installed on above master control circuit board, and is offered respectively in two sides of the box body
Thermal vias；Radiator fan is electrically connected with master control circuit board.
Preferably, box body periphery ring-type is provided with the color LED flash lamp being electrically connected with master control circuit board.
Preferably, the box body bottom is provided with the suction nozzle for holding external object surface, and in the box body bottom
Four diagonal angles are separately provided for adjusting the height regulating rod of box body height.
Compared with prior art, a kind of novel C ATV optical fiber and digital television reception thermomechanical components of the invention in box body by setting
Put the light-receiving for including photodetector, input signal amplifier, microprocessor, equalization filter and output signal amplifier
Thermomechanical components and master control circuit board, in actual use, the input of photodetector receive external optical signals, and by optical signal
It is changed into electric signal, and is sent to input signal amplifier and carry out signal enhanced processing, the electric signal transmission after the completion of processing is arrived
It is filtered at equalization filter after the completion of processing, processing and is transferred to output signal amplifier position and carries out signal amplification again,
Equalization filter effectively can carry out shaping and compensation for distortion digit pulse, and input signal amplifier can keep detection
Electric signal amplify without distortion and ensure that noise is minimum, each part, which is shared out the work and help one another, allows this equipment to reach faster signal
Transmission speed, and with good sensitivity, it is ensured that enough bandwidth.
[brief description of the drawings]
Fig. 1 is a kind of stereoscopic-state structural representation of novel C ATV optical fiber and digitals television reception thermomechanical components of the invention.
Fig. 2 is a kind of internal state structural representation of novel C ATV optical fiber and digitals television reception thermomechanical components of the invention.
Fig. 3 is a kind of stereoscopic-state structure at another visual angle of novel C ATV optical fiber and digitals television reception thermomechanical components of the invention
Schematic diagram.
[embodiment]
To make the purpose of the present invention, technical scheme and advantage are more clearly understood, below in conjunction with drawings and Examples, to this
Invention is further elaborated.It should be appreciated that specific embodiment described herein is used only for explaining the present invention, not
For limiting this invention.
Fig. 1 is referred to Fig. 3, a kind of novel C ATV optical fiber and digital television receptions thermomechanical components 1 of the invention include box body 11 with
And it is arranged at photoreceiver component 13 and master control circuit board 14 inside box body 11；The photoreceiver component 13 includes light
Detector, input signal amplifier, microprocessor, equalization filter and output signal amplifier；The photodetector, input
Signal amplifier, equalization filter and output signal amplifier and microprocessor are electrically connected with, and the output signal is put
Big device is electrically connected with the master control circuit board 14 inside box body 11；The input of photodetector is launched by optical fiber and exterior light
Machine is electrically connected with, and the optical signal for being transferred to photodetector position by optical fiber is changed into electric signal, and is sent to input signal and is put
Big device carries out signal enhanced processing, is filtered processing at the electric signal transmission after the completion of processing to equalization filter, has handled
Output signal amplifier position is transferred to after and carries out signal amplification again；It is provided with the master control circuit board 14
MSD7T01 main control chips and MXL608 tuning chips, and offer in the rear end of box body 11 HDMI signal inputs, the input of AV signals
Mouth and power supply connector 114；The HDMI signal inputs 113 and AV signal inputs and the MSD7T01 main control chips
It is electrically connected with；MSD7T01 main control chips are electrically connected with MXL608 tuning chips；The upper surface of box body 11 is provided with several
Control button 111, and the signal lamp 112 being electrically connected with master control circuit board 14 is set in the front of box body 11.
By in box body 11 set include photodetector, input signal amplifier, microprocessor, equalization filter with
And the photoreceiver component 13 and master control circuit board 14 of output signal amplifier, in actual use, photodetector it is defeated
Enter end and receive external optical signals, and convert light signals into electric signal, and be sent to input signal amplifier and carry out signal amplification
Handle, be filtered at the electric signal transmission after the completion of processing to equalization filter after the completion of processing, processing and be transferred to output letter
Number amplifier position carries out signal amplification again, and equalization filter effectively can carry out shaping and benefit for distortion digit pulse
Repay, input signal amplifier can keep the electric signal of detection to amplify without distortion and ensure that noise is minimum, each part division of labor is closed
Work allows this equipment to reach faster signaling rate, and with good sensitivity, it is ensured that enough bandwidth.
Preferably, the rear end of box body 11 is additionally provided with the URAT data transfers for carrying out data transmission with external equipment
Connector 113.Using the URAT data transfers connector 113 and outside progress data exchange for being built-in with MCU.
Preferably, the photoreceiver component 13 also includes being electrically connected with microprocessor, exports electric signal for control
The automatic gain control unit of amplification level；And the scope of the light path automatic gain control of the automatic gain control unit is
10dBm.Be conducive to the reliable and stable of signal transmission.
Preferably, also it is electrically connected between the photodetector and input signal amplifier for carrying out energy distribution
Coupler；Optical signal is changed into electric signal through photodetector, and input signal amplifier is inputted after carrying out signal coupling through coupler.
Preferably, the wave-length coverage of the photodetector detection outside input light is 1100-1600nm.
Preferably, a kind of novel C ATV optical fiber and digital television receptions thermomechanical components 1 also include being arranged inside box body 11
Radiator fan, the radiator fan is fixedly installed on the top of master control circuit board 14, and in two sides of the box body 11 point
Thermal vias is not offered；Radiator fan is electrically connected with master control circuit board 14.Reasonable in design, is conducive to improving product
Service life.
Preferably, the periphery ring-type of box body 11 is provided with the color LED being electrically connected with master control circuit board 14 and glistened
Lamp.Strengthen the aesthetics of product.
Preferably, the bottom of box body 11 is provided with the suction nozzle for holding external object surface, and in the box body 11
The diagonal angle of bottom four is separately provided for adjusting the height regulating rod of box body height.
Compared with prior art, a kind of novel C ATV optical fiber and digital television receptions thermomechanical components 1 of the invention are by box body 11
Middle setting includes the light of photodetector, input signal amplifier, microprocessor, equalization filter and output signal amplifier
Receiver module 13 and master control circuit board 14, in actual use, the input of photodetector receive external optical signals, and
Electric signal is converted light signals into, and is sent to input signal amplifier and carries out signal enhanced processing, the telecommunications after the completion of processing
Number it is transferred at equalization filter to be filtered after the completion of processing, processing and is transferred to output signal amplifier position and is believed again
Number amplification, equalization filter effectively can carry out shaping and compensation for distortion digit pulse, and input signal amplifier can be with
Keep detection electric signal amplify without distortion and ensures noise minimum, each part share out the work and help one another allow this equipment reach compared with
Fast signaling rate, and with good sensitivity, it is ensured that enough bandwidth.
The embodiments of the present invention described above are not intended to limit the scope of the present invention.It is any in the present invention
Spirit and principle within the modifications, equivalent substitutions and improvements made etc., should be included in the claim protection model of the present invention
Within enclosing.
Claims (8)
1. a kind of novel C ATV optical fiber and digitals television reception thermomechanical components, it is characterised in that：Including box body and it is arranged in box body
The photoreceiver component and master control circuit board in portion；The photoreceiver component include photodetector, input signal amplifier,
Microprocessor, equalization filter and output signal amplifier；The photodetector, input signal amplifier, equalization filter
And output signal amplifier is electrically connected with microprocessor, and the main control of the output signal amplifier and tray interior
Circuit board is electrically connected with；The input of photodetector is electrically connected with by optical fiber with outside optical sender, is transferred to by optical fiber
The optical signal at photodetector position is changed into electric signal, and is sent to input signal amplifier progress signal enhanced processing, processing
After the completion of electric signal transmission to being filtered after the completion of processing, processing the output signal amplifier portion that is transferred at equalization filter
Position carries out signal amplification again；MSD7T01 main control chips and MXL608 tuning chips are provided with the master control circuit board, and
HDMI signal inputs, AV signal inputs and power supply connector are offered in box body rear end；The HDMI signal inputs
It is electrically connected with AV signal inputs and the MSD7T01 main control chips；MSD7T01 main control chips and MXL608 tuning chips electricity
Property connection；The cartridge upper surface is provided with several control buttons, and sets electrical with master control circuit board in box body front
The signal lamp of connection.
2. a kind of novel C ATV optical fiber and digitals television reception thermomechanical components as claimed in claim 1, it is characterised in that：The box body
Rear end is additionally provided with the URAT data transfer connectors for carrying out data transmission with external equipment.
3. a kind of novel C ATV optical fiber and digitals television reception thermomechanical components as claimed in claim 1, it is characterised in that：The light connects
Receiving thermomechanical components also includes and microprocessor electric connection, the automatic growth control list for controlling output electrical signal amplitude level
Member；And the scope of the light path automatic gain control of the automatic gain control unit is 10dBm.
4. a kind of novel C ATV optical fiber and digitals television reception thermomechanical components as described in claim 1 or 3, it is characterised in that：Institute
State the coupler being also electrically connected between photodetector and input signal amplifier for carrying out energy distribution；Optical signal is through light
Detector is changed into electric signal, and input signal amplifier is inputted after carrying out signal coupling through coupler.
5. a kind of novel C ATV optical fiber and digitals television reception thermomechanical components as claimed in claim 1, it is characterised in that：The light inspection
The wave-length coverage for surveying device detection outside input light is 1100-1600nm.
6. a kind of novel C ATV optical fiber and digitals television reception thermomechanical components as claimed in claim 1, it is characterised in that：Also include setting
The radiator fan of tray interior is placed in, the radiator fan is fixedly installed on above master control circuit board, and in the box body
Two sides offer thermal vias respectively；Radiator fan is electrically connected with master control circuit board.
7. a kind of novel C ATV optical fiber and digitals television reception thermomechanical components as described in claim 1 or 6, it is characterised in that：It is described
Box body periphery ring-type is provided with the color LED flash lamp being electrically connected with master control circuit board.
8. a kind of novel C ATV optical fiber and digitals television reception thermomechanical components as claimed in claim 1, it is characterised in that：The box body
Bottom is provided with the suction nozzle for holding external object surface, and is separately provided in described four diagonal angles in box body bottom
Adjust the height regulating rod of box body height.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710313285.8A CN106972892A (en) | 2017-05-05 | 2017-05-05 | A kind of novel C ATV optical fiber and digitals television reception thermomechanical components |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710313285.8A CN106972892A (en) | 2017-05-05 | 2017-05-05 | A kind of novel C ATV optical fiber and digitals television reception thermomechanical components |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106972892A true CN106972892A (en) | 2017-07-21 |
Family
ID=59331199
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710313285.8A Pending CN106972892A (en) | 2017-05-05 | 2017-05-05 | A kind of novel C ATV optical fiber and digitals television reception thermomechanical components |
Country Status (1)
| Country | Link |
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| CN (1) | CN106972892A (en) |
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| US20050105919A1 (en) * | 2003-04-23 | 2005-05-19 | Takashi Sugihara | Optical receiver and optical transmission system |
| CN1715993A (en) * | 2005-05-11 | 2006-01-04 | 南京邮电学院 | Crystal optical fiber solition type full light regenerator and its light signal regenerating method |
| CN101557261A (en) * | 2008-04-10 | 2009-10-14 | 中国科学院西安光学精密机械研究所 | Device capable of wave shaping and wavelength transformation to periodic optical pulse |
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| SE01 | Entry into force of request for substantive examination | ||
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Application publication date: 20170721 |