CN208158594U - A kind of photelectric receiver suitable for active optical cable - Google Patents
A kind of photelectric receiver suitable for active optical cable Download PDFInfo
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- CN208158594U CN208158594U CN201820605610.8U CN201820605610U CN208158594U CN 208158594 U CN208158594 U CN 208158594U CN 201820605610 U CN201820605610 U CN 201820605610U CN 208158594 U CN208158594 U CN 208158594U
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- 230000003287 optical effect Effects 0.000 title claims abstract description 39
- 230000005693 optoelectronics Effects 0.000 claims abstract description 20
- 239000011324 bead Substances 0.000 claims abstract description 11
- 239000003990 capacitor Substances 0.000 claims abstract description 5
- 238000001514 detection method Methods 0.000 claims description 2
- 230000005540 biological transmission Effects 0.000 abstract description 7
- 230000008054 signal transmission Effects 0.000 abstract description 3
- GJWAPAVRQYYSTK-UHFFFAOYSA-N [(dimethyl-$l^{3}-silanyl)amino]-dimethylsilicon Chemical compound C[Si](C)N[Si](C)C GJWAPAVRQYYSTK-UHFFFAOYSA-N 0.000 description 8
- 239000013307 optical fiber Substances 0.000 description 7
- 239000004020 conductor Substances 0.000 description 5
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 4
- 238000010586 diagram Methods 0.000 description 4
- 238000000034 method Methods 0.000 description 3
- 238000006243 chemical reaction Methods 0.000 description 2
- 230000005611 electricity Effects 0.000 description 2
- 239000000835 fiber Substances 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 229910052751 metal Inorganic materials 0.000 description 2
- 230000003321 amplification Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000003760 hair shine Effects 0.000 description 1
- 230000007257 malfunction Effects 0.000 description 1
- 238000003199 nucleic acid amplification method Methods 0.000 description 1
- 230000005622 photoelectricity Effects 0.000 description 1
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Abstract
The utility model provides a kind of photelectric receiver suitable for active optical cable：The multipath high-speed of opto-electronic receiver chip and display signal/input end of clock mouth, display is accessed in high speed signal/input end of clock mouth one end, the multiple groups RX pin of other end connection opto-electronic receiver chip, in every road high speed signal/be connected in series between input end of clock mouth and RX pin capacitor, and every road high speed signal/one end connection inductance coil of input end of clock mouth access display or one end of magnetic bead；The other end of the inductance coil or magnetic bead is shorted, and is connected to the input port of power adapter；There is voltage to access stitch, the output port of the power adapter is connected to the voltage access stitch on the chip.A kind of photelectric receiver power supply circuit of active optical cable provided by the utility model provides external power supply by display for photelectric receiver, eliminates the reliance on signal source power supply, realizes full cable signal transmission, improves the reliability of long distance transmission signal.
Description
Technical field
The utility model relates to technical field of integrated circuits, in particular to a kind of photelectric receiver suitable for active optical cable.
Background technique
Traditional high-definition multimedia interface (HDMI) cable is passive device, and the high-definition multimedia of signal source connects
It is direct-connected by several copper wire between mouth (transmitting terminal) and the high-definition multimedia interface (receiving end) of display.Traditional height
Definition multimedia interface (HDMI) optical cable is active device, and cable inner has photoemitter and receiver.
Since high-definition multimedia interface (HDMI) optical cable is active device, external dc power is needed to power.Usually
In high-definition multimedia interface (HDMI) application, external dc power supply is provided by the signal source, voltage 5V.Due to outer
Portion's power supply (5V voltage) is provided by signal source, this voltage, which needs to send to by high-definition multimedia interface (HDMI) cable, to be connect
Receiving end, and give photelectric receiver power supply, this supply lines is necessary for metal wire, cannot be optical fiber (optical fiber can not transmission telecommunications number,
Optical signal can only be transmitted).Thus existing high-definition multimedia interface (HDMI) optical cable has following two defects：
1, there are dead resistances for power supply metal line itself.In the application of long range transmission of video, with length of cable
Increase, will appear the voltage drop as caused by conductor resistance on plain conductor, lead to that agreement is not achieved in the supply voltage of receiving end
Defined 5V may cause system cisco unity malfunction.
2, it is powered by signal source to photelectric receiver, inevitable requirement existing optical fiber (being transmitted for data) in cable, again
There is plain conductor (for powering), full light high-definition multimedia interface (HDMI) cable is caused (there was only optical fiber in cable, do not have
Plain conductor) it cannot achieve photelectric receiver is powered.
Therefore, to solve the above-mentioned problems, it is desirable to be able to independent of signal source, but directly needed for display acquisition
Direct current supply a kind of photelectric receiver suitable for active optical cable.
Utility model content
The purpose of the utility model is realized to solve the stability that long range screen is transmitted and uses all -fiber high-resolution
Degree multimedia interface (HDMI) cable be powered when video conveying to photelectric receiver, provides a kind of suitable for active optical cable
Photelectric receiver, the photelectric receiver includes：The multipath high-speed signal of opto-electronic receiver chip, optical detector and display/
Display is accessed in input end of clock mouth, the high speed signal/input end of clock mouth one end, and the other end connects opto-electronic receiver chip
Multiple groups RX pin, wherein
The high speed signal described in an every road/capacitor, and every road institute are connected in series between input end of clock mouth and RX pin
State high speed signal/one end connection inductance coil of input end of clock mouth access display or one end of magnetic bead；The inductance coil
Or the other end of magnetic bead is shorted, and is connected to the input port of power adapter；
There is voltage to access stitch, the output port of the power adapter is connected to described on the opto-electronic receiver chip
Voltage accesses stitch.
Preferably, the photelectric receiver further includes multiple optical detectors, and the optical detector is connected by PIN needle foot
The opto-electronic receiver chip.
Preferably, which is characterized in that RX pin described in each group include using the received RX+ pin of differential mode and
RX-pin.
Preferably, the high speed signal/input end of clock mouth totally 8 tunnel, totally 4 groups of the RX pin.
Preferably, the optical detector is 4.
A kind of photelectric receiver power supply circuit of active optical cable provided by the utility model is photelectric receiver by display
External power supply is provided, signal source power supply is eliminated the reliance on, full cable signal transmission is realized, improves the reliable of long distance transmission signal
Property.
It should be appreciated that aforementioned description substantially and subsequent detailed description are exemplary illustration and explanation, it should not
As the limitation to the claimed content of the utility model.
Detailed description of the invention
With reference to the attached drawing of accompanying, the more purposes of the utility model, function and advantage will pass through the utility model embodiment party
Formula is illustrated described below, wherein：
Fig. 1 diagrammatically illustrates the structural schematic diagram of photoemission itself and photelectric receiver in cable in the prior art.
Fig. 2 shows the structural schematic diagrams that the utility model is suitable for the photelectric receiver of active optical cable.
Specific embodiment
By reference to exemplary embodiment, the purpose of this utility model and function and for realizing these purposes and function
Method will be illustrated.However, the utility model is not limited to exemplary embodiment as disclosed below；It can be by not
It is realized with form.The essence of specification is only to aid in those skilled in the relevant arts' Integrated Understanding the utility model
Detail.
Hereinafter, the embodiments of the present invention will be described with reference to the drawings, relevant technical terms should be this field skill
Known to art personnel.In the accompanying drawings, identical appended drawing reference represents same or similar component or same or similar step
Suddenly, unless otherwise indicated.It will be illustrated below by objective of the specific embodiment to the utility model, the utility model
Purpose is the stability in order to solve the transmission of long range screen, realizes and uses all -fiber high-definition multimedia interface (HDMI)
The problem of photelectric receiver is powered when cable carries out video conveying.
The structural schematic diagram of photoemission itself and photelectric receiver in cable in the prior art as shown in Figure 1, in existing skill
Due to being needed in high-definition multimedia interface (HDMI) cable through the photoemitter (signal source) of cable to photoelectricity in art
Receiver input electrical signal.Specifically, photoemitter (signal source) mainly includes photoemission chip (Transmitter
IC) 100 and laser (Laser) 102, photoemission chip 100 passes through the electric signal that voltage input interface 101 inputs, and drives
Dynamic laser 102 shines, and realizes conversion of the electric signal to optical signal.Photelectric receiver mainly includes opto-electronic receiver chip
(Receiver IC) 200 and optical detector (Photo Detector) 202, optical detector 202 is by the optical signal on optical fiber 300
It is converted into electric signal.At the same time, it needs to power for photelectric receiver, it is straight using more copper wire are arranged in cable in the prior art
Even, by connecting copper wire between photoemitter and photelectric receiver, the electricity of opto-electronic receiver chip 200 is connected by copper wire
Pressure input interface 201 is powered.
The optical signal on optical fiber 300 is converted electric signal by optical detector 202, by the amplification of opto-electronic receiver chip 200, processing
After be sent to display, realize conversion of the optical signal to electric signal, realize that screen plays.
It can be seen that must have plain conductor in cable in the prior art in order to power to photelectric receiver, it is difficult to
Power supply when realizing the screen transmission of full optical cable to photelectric receiver.Embodiment according to the present utility model, in order to make above-mentioned ask
Topic is addressed, and provides a kind of photelectric receiver suitable for active optical cable, and the utility model as shown in Figure 2 is suitable for active optical cable
The structural schematic diagram of photelectric receiver, photelectric receiver include：Opto-electronic receiver chip 200, optical detector 202 and display it is more
Display is accessed in road high speed signal/input end of clock mouth (TMDS Data/Clock), high speed signal/input end of clock mouth one end,
The multiple groups RX pin of other end connection opto-electronic receiver chip.
An electricity is connected in series between every road high speed signal/input end of clock mouth (TMDS Data/Clock) and RX pin
Hold, and one end of every road high speed signal/input end of clock mouth (TMDS Data/Clock) access display connects inductor wire
One end of circle or magnetic bead；The other end of inductance coil or magnetic bead is shorted, and is connected to the input terminal of power adapter (DC/DC)
Mouthful.
There is voltage access stitch (Vsupply), the output port of power adapter (DC/DC) on opto-electronic receiver chip
It is connected to voltage access stitch (Vsupply).
According to photelectric receiver provided by the utility model, by high speed signal/input end of clock mouth (TMDS Data/
Clock it) is connect with display, provides voltage by display, specially：Display passes through high speed signal/input end of clock mouth
(TMDS Data/Clock) drives opto-electronic receiver chip 200 by AC coupled, and passes through dc-couple to opto-electronic receiver core
Piece 200 is powered.
In the above process, AC coupled is driven through high speed signal/input end of clock mouth (TMDS Data/Clock) and RX
Concatenated capacitor is realized between pin.
High speed signal/input end of clock mouth (TMDS Data/Clock) access display one end connection inductance coil or
One end of magnetic bead；The other end of inductance coil or magnetic bead is shorted, and is connected to the input port of power adapter (DC/DC), into
And realize the dc-couple of monitor power supply, the voltage of voltage regulation needed for working normally is provided for opto-electronic receiver chip 200.
Embodiment according to the present utility model, photelectric receiver includes multiple optical detectors 202, optical detection in embodiment
Device 202 connects opto-electronic receiver chip 200 by PIN needle foot, and optical detector 202 is used to the optical signal in reception optical fiber, and converts
The broadcasting of screen over the display is realized for electric signal.Optical detector is 4 in the present embodiment.
Embodiment according to the present utility model, high speed signal/input end of clock mouth totally 8 tunnel, totally 4 groups of RX pin, i.e.,：
(RX0-,RX0+),(RX1-,RX1+),(RX2-,RX2+),(RX3-,RX3+).Each group of RX pin includes using differential mode
Received RX+ pin and RX-pin.The present embodiment high speed signal/input end of clock mouth (TMDS Data/Clock) and RX
The capacitor being connected in series between pin is respectively C0, C1, C2, C3, C4, C5, C6, C7, for realizing the exchange of monitor power supply
It couples, inductance coil or magnetic bead are respectively L0, L1, L2, L3, L4, L5, L6, L7 in the present embodiment, pass through inductance coil or magnetic bead
It is connected to power adapter (DC/DC), for realizing the dc-couple of monitor power supply.
A kind of photelectric receiver power supply circuit of active optical cable provided by the utility model is photelectric receiver by display
External power supply is provided, signal source power supply is eliminated the reliance on, full cable signal transmission is realized, improves the reliable of long distance transmission signal
Property.
In conjunction with the explanation and practice of the utility model disclosed here, the other embodiments of the utility model are for this field
Technical staff will be readily apparent and understand.Illustrate and embodiment be regarded only as being exemplary, the utility model it is real
Scope and spirit are defined in the claims.
Claims (5)
1. a kind of photelectric receiver suitable for active optical cable, which is characterized in that the photelectric receiver includes：Opto-electronic receiver core
Multipath high-speed signal/input end of clock mouth of piece, optical detector and display, the high speed signal/input end of clock mouth one end
Display is accessed, the other end connects the multiple groups RX pin of opto-electronic receiver chip, wherein
The high speed signal described in an every road/capacitor, and height described in every road are connected in series between input end of clock mouth and RX pin
Fast signal/one end connection inductance coil of input end of clock mouth access display or one end of magnetic bead；The inductance coil or magnetic
The other end of pearl is shorted, and is connected to the input port of power adapter；
On the opto-electronic receiver chip there is voltage to access stitch, the output port of the power adapter is connected to the voltage
Access stitch.
2. photelectric receiver according to claim 1, which is characterized in that the photelectric receiver further includes multiple optical detections
Device, the optical detector connect the opto-electronic receiver chip by PIN needle foot.
3. photelectric receiver according to claim 1, which is characterized in that RX pin described in each group includes using difference side
The received RX+ pin of formula and RX-pin.
4. photelectric receiver according to claim 1, which is characterized in that the high speed signal/input end of clock mouth totally 8
Road, totally 4 groups of the RX pin.
5. photelectric receiver according to claim 2, which is characterized in that the optical detector is 4.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820605610.8U CN208158594U (en) | 2018-04-26 | 2018-04-26 | A kind of photelectric receiver suitable for active optical cable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820605610.8U CN208158594U (en) | 2018-04-26 | 2018-04-26 | A kind of photelectric receiver suitable for active optical cable |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208158594U true CN208158594U (en) | 2018-11-27 |
Family
ID=64376676
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820605610.8U Active CN208158594U (en) | 2018-04-26 | 2018-04-26 | A kind of photelectric receiver suitable for active optical cable |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2020183242A1 (en) * | 2019-03-12 | 2020-09-17 | Wingcomm Co. Ltd. | Battery triggering for activation of an optical data interconnect system |
| EP3939252A4 (en) * | 2019-03-12 | 2022-12-07 | Wingcomm Co. Ltd. | Sink powered optical data interconnect system |
| CN117250481A (en) * | 2023-11-15 | 2023-12-19 | 零壹半导体技术(常州)有限公司 | High-density transceiving test circuit for chip test and test circuit board |
-
2018
- 2018-04-26 CN CN201820605610.8U patent/CN208158594U/en active Active
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2020183242A1 (en) * | 2019-03-12 | 2020-09-17 | Wingcomm Co. Ltd. | Battery triggering for activation of an optical data interconnect system |
| US11233581B2 (en) | 2019-03-12 | 2022-01-25 | Wingcomm Co. Ltd. | Battery triggering for activation of an optical data interconnect system |
| EP3939252A4 (en) * | 2019-03-12 | 2022-12-07 | Wingcomm Co. Ltd. | Sink powered optical data interconnect system |
| JP7477524B2 (en) | 2019-03-12 | 2024-05-01 | ウィングコム カンパニー リミテッド | Battery trigger for starting optical data interconnection systems. |
| CN117250481A (en) * | 2023-11-15 | 2023-12-19 | 零壹半导体技术(常州)有限公司 | High-density transceiving test circuit for chip test and test circuit board |
| CN117250481B (en) * | 2023-11-15 | 2024-01-23 | 零壹半导体技术(常州)有限公司 | High-density transceiving test circuit for chip test and test circuit board |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20190320 Address after: Room 1507, 15th floor, Yixing Building, No. 1 Changyuan Road, Nantong Development Zone, Jiangsu Province Patentee after: Fei Ang Innovation Technology Nantong Co., Ltd. Address before: 226000 room 1501-1504, Yixing mansion 1, Changyuan Road, Nantong, Jiangsu. Patentee before: Bai Yun |