CN108055084A - Optical network signal enhances radiating circuit - Google Patents
Optical network signal enhances radiating circuit Download PDFInfo
- Publication number
- CN108055084A CN108055084A CN201711457450.3A CN201711457450A CN108055084A CN 108055084 A CN108055084 A CN 108055084A CN 201711457450 A CN201711457450 A CN 201711457450A CN 108055084 A CN108055084 A CN 108055084A
- Authority
- CN
- China
- Prior art keywords
- resistance
- signal
- triode
- circuit
- optical
- 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.)
- Granted
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
- H04B10/50—Transmitters
-
- 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
- H04B10/50—Transmitters
- H04B10/516—Details of coding or modulation
- H04B10/54—Intensity modulation
- H04B10/541—Digital intensity or amplitude modulation
-
- 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
- H04B10/50—Transmitters
- H04B10/564—Power control
Abstract
The invention discloses optical network signals to enhance radiating circuit,The optical power signals of the optical power signals feedback compensation circuit detection optical transmitting set E1,It is inputted after amplifying compared with luminous power reference signal in modulation circuit,The modulation circuit receives the signal of electrical power signal and the input of optical power signals feedback compensation circuit and coupling,Then triode Q1 is utilized,The compound circuit amplitude modulation of Q2 and adjustable resistance RW1 and triode Q3 compositions,Finally amplified by amplification coupling output circuit with transport and placing device AR1,The signal of the output of transport and placing device AR1 amplifications simultaneously couples output together with the reference potential that transport and placing device AR2 is exported in input summer AR3,Ensure that the optical power signals that transmitter E1 launches are stablized,Optical network signal is overcome during long distance transmission,It is present with the problem of signal is weak,Adjust the resistance value of adjustable resistance RW1,Triode Q1 can be adjusted,Q2,The conducting voltage of Q3,Different types of optical power signals can be adjusted with this,With very big Development volue and practical value.
Description
Technical field
The present invention relates to optical network signal technical fields, enhance radiating circuit more particularly to optical network signal.
Background technology
Active optical network belongs to the optical communication system of point to multi--point, by ONU, light remote terminal OLT and optical fiber transmission line group
Into, optical network signal during long distance transmission, often it is present with the weak situation of signal, and this phenomenon is led
If in the jitter of optical network signal radiating circuit transmitting, containing clutter or even contain abnormal signal, result in signal
During long distance transmission, it may appear that the weak situation of signal.
So the present invention provides a kind of new scheme to solve the problems, such as this.
The content of the invention
For the above situation, to overcome the defect of the prior art, the present invention's is designed to provide optical network signal enhancing
Radiating circuit, have be skillfully constructed, the characteristic of human oriented design, efficiently solve optical network signal radiating circuit transmitting letter
It is number unstable, containing clutter or even contain abnormal signal, result in signal during long distance transmission, it may appear that signal declines
The problem of weak.
Its solve technical solution be, optical network signal enhancing radiating circuit, including optical power signals feedback compensation circuit,
Modulation circuit and amplification coupling output circuit, the luminous power letter of the optical power signals feedback compensation circuit detection optical transmitting set E1
Number, and inputted after amplifying compared with luminous power reference signal in modulation circuit, the modulation circuit receives electrical power signal and light
The signal of power signal feedback compensation circuit input and coupling, then utilize triode Q1, Q2 and adjustable resistance RW1 and three poles
The compound circuit amplitude modulation of pipe Q3 compositions is finally amplified by amplification coupling output circuit with transport and placing device AR1, while transport and placing device AR1
The signal for amplifying output couples output together with the reference potential that transport and placing device AR2 is exported in input summer AR3；
The modulation circuit includes triode Q1, and the base stage of triode Q1 connects the electrical power transmitted through resistance R12 respectively
Signal, the output signal of optical power signals feedback compensation circuit, one end of resistance R1, one end of resistance R2, resistance R1's is another
The other end connection ground of end connection power supply+10V, resistance R2, the collector connection power supply+10V of triode Q1, the hair of triode Q1
The base stage of emitter-base bandgap grading connecting triode Q2, the collector of triode Q2 connect the lower end of adjustable resistance RW1, the base of triode Q3 respectively
Pole, the adjustable end of adjustable resistance RW1, the upper end of adjustable resistance RW1, one end of ground capacity C1 are all connected with power supply+10V, three poles
The emitter of pipe Q3 passes through resistance R3 connections ground, the collector connection power supply+10V of triode Q3.
Due to the use of above technical scheme, the present invention has the following advantages that compared with prior art；
1, optical power signals feedback compensation circuit is detected the optical power signals size that transmitter emits using light power meter,
Enter the inverting input of operational amplifier A R4 after limit filtration, subtraction ratio is carried out with in-phase input end luminous power reference signal
Example computing, exports amplified difference voltage, is coupled to the base of triode Q1 as thermal compensation signal after inductance L3 smothing filterings
Pole is coupled with the electrical power signal inputted simultaneously, then utilizes triode Q1, Q2 and adjustable resistance RW1 and triode
The compound circuit amplitude modulation of Q3 compositions is finally amplified by amplification coupling output circuit with transport and placing device AR1, while transport and placing device AR1 is put
The signal exported greatly couples output together with the reference potential that transport and placing device AR2 is exported in input summer AR3, ensure transmitter E1
The optical power signals launched are stablized, and overcome optical network signal during long distance transmission, it may appear that signal is weak to ask
Topic has very big Development volue and practical value.
2, modulation circuit receives the signal of electrical power signal and the input of optical power signals feedback compensation circuit and coupling, coupling
Signal after conjunction controls electrode potential for triode Q1, and when containing abnormal signal in signal, the signal after coupling at this time is low electricity
Ordinary mail number, triode Q1, Q2 are not turned on, but triode Q3 is turned on, and the signal after coupling at this time is converted to power supply+10V warps can
It is flowed into after adjusting resistance RW1 partial pressures through capacitance C2 in the in-phase input end of transport and placing device AR2, transport and placing device AR2 amplified signals, through inductance L1
Adder AR3 in-phase input ends after the lc circuit filtering composed in parallel with capacitance C3, C4 in input amplification coupling output circuit
Interior, the current potential of transport and placing device AR1 outputs at this time is zero, therefore the signal after adder AR3 couplings that is to say transport and placing device AR2 amplification filters
Signal after ripple, emitted device E1 transmittings, plays the effect that amplitude modulation filters out abnormal signal, wherein through overregulating adjustable resistance RW1
Resistance value, can adjust the conducting voltage of triode Q1, Q2, Q3, different types of optical power signals can be adjusted with this.
Description of the drawings
Fig. 1 is the module map that optical network signal of the present invention enhances radiating circuit.
Fig. 2 is the schematic diagram that optical network signal of the present invention enhances radiating circuit.
Specific embodiment
For the present invention foregoing and other technology contents, feature and effect, in following cooperation with reference to figures 1 through attached drawing 2
To in the detailed description of embodiment, can clearly present.The structure content being previously mentioned in following embodiment is with specification
Attached drawing is reference.
Embodiment one, optical network signal enhancing radiating circuit, including optical power signals feedback compensation circuit, modulation circuit and
Amplification coupling output circuit, the optical power signals of optical power signals feedback compensation circuit detection optical transmitting set E1, and with light
Power reference signal is inputted after comparing amplification in modulation circuit, and the modulation circuit receives electrical power signal (for after electrical modulation
Power signal, how electric signal to modulate, this is the prior art, and this will not be detailed here) and optical power signals feedback compensation circuit
The signal of input and coupling, the compound circuit tune then formed using triode Q1, Q2 and adjustable resistance RW1 and triode Q3
Width is finally amplified by amplification coupling output circuit with transport and placing device AR1, while the signal and amplifier of transport and placing device AR1 amplification outputs
The interior coupling outputs of input summer AR3 together of the reference potential of device AR2 outputs, that is to say that emitted device E1 launches；
The modulation circuit receives the signal of electrical power signal and the input of optical power signals feedback compensation circuit and coupling, after coupling
Signal for triode Q1 control electrode potential, when in signal contain abnormal signal when, at this time couple after signal for low level letter
Number, triode Q1, Q2 are not turned on, but triode Q3 is turned on, and the signal after coupling at this time is converted to power supply+10V through adjustable electric
It is flowed into after hindering RW1 partial pressures through capacitance C2 in the in-phase input end of transport and placing device AR2, transport and placing device AR2 amplified signals, through inductance L1 and electricity
Input amplification is coupled in the adder AR3 in-phase input ends in output circuit after holding the lc circuit filtering that C3, C4 are composed in parallel, this
When transport and placing device AR1 output current potential be zero, therefore after the signal after adder AR3 couplings that is to say transport and placing device AR2 amplification filtering
Signal, emitted device E1 transmitting plays the effect that amplitude modulation filters out abnormal signal；When signal is normal signal, couple at this time
Signal afterwards be high level signal, at this point, triode Q1, Q2, Q3 turn on, resistance R1, R2 be triode Q1 biasing resistor, coupling
In the in-phase input end of signal input transport and placing device AR1 after conjunction, through inductance L2 and capacitance C5, C6 after transport and placing device AR1 amplified signals
In adder AR3 in-phase input ends after the lc circuit filtering composed in parallel in input amplification coupling output circuit, while power supply+
10V is flowed into through capacitance C2 in the in-phase input end of transport and placing device AR2 after adjustable resistance RW1 partial pressures, transport and placing device AR2 amplified signals,
Adder AR3 after the lc circuit filtering composed in parallel through inductance L1 and capacitance C3, C4 in input amplification coupling output circuit is same
In phase input terminal, directly input after adder AR3 coupled signals and launch in transmitter E1, wherein through overregulating adjustable resistance
The resistance value of RW1 can adjust the conducting voltage of triode Q1, Q2, Q3, can be believed with this to adjust different types of luminous power
Number；
The base stage of triode Q1 connects the electrical power signal transmitted through resistance R12, optical power signals feedback compensation electricity respectively
The output signal on road, one end of resistance R1, one end of resistance R2, the other end connection power supply+10V of resistance R1, resistance R2's is another
One end connection ground, the collector connection power supply+10V of triode Q1, the base stage of the emitter connecting triode Q2 of triode Q1, three
The collector of pole pipe Q2 connects the lower end of adjustable resistance RW1, the base stage of triode Q3 respectively, the adjustable end of adjustable resistance RW1, can
Upper end, one end of ground capacity C1 of resistance RW1 is adjusted to be all connected with power supply+10V, the emitter of triode Q3 is connected by resistance R3
Ground, the collector connection power supply+10V of triode Q3；The transmitting of the in-phase input end connecting triode Q2 of operational amplifier A R1
Pole, one end of the inverting input connection capacitance C9 of operational amplifier A R1, the other end concatenation operation amplifier AR2 of capacitance C9
Inverting input, one end of the in-phase input end connection capacitance C2 of operational amplifier A R1, the other end connection power supply of capacitance C2
The output terminal of+10V, operational amplifier A R2 connect one end of ground capacity C3, one end of inductance L1 respectively, and inductance L1's is another
End connects one end, one end of resistance R4 of ground capacity C4 respectively, and the output terminal of operational amplifier A R1 connects ground capacity respectively
One end, one end of inductance L2 of C5, the other end of inductance L2 connect one end of ground capacity C6, one end of resistance R5 respectively, electricity
The other end of resistance R4 connects the other end of resistance R5, the in-phase input end of operational amplifier A R3, one end of resistance R6 respectively, electricity
Hinder the output terminal of the other end concatenation operation amplifier AR3 of R6, the output terminal connection optical transmitting set E1 of operational amplifier A R3, fortune
The inverting input for calculating amplifier AR3 passes through resistance R7 connections ground.
Embodiment two, on the basis of embodiment one, the optical power signals feedback compensation circuit uses light power meter pair
The optical power signals size of transmitter transmitting is detected, and the inverting input of operational amplifier A R4 is entered after limit filtration, with
In-phase input end luminous power reference signal（The signal magnitude when optical power signals of transmitter transmitting are normal）Carry out subtraction ratio
Computing exports amplified difference voltage, is coupled to the base stage of triode Q1 as thermal compensation signal after inductance L3 smothing filterings,
Transmitting including luminous power detection signal port H1, the detection of luminous power reference signal port H2, model AV6334 light power meter
The optical power signals size of device transmitting is connected to the diode D1 of parallel connected in reverse phase, diode D2 through luminous power detection signal port H1
The double limiting circuit of composition carries out amplitude limit, on the one hand prevents big signal from impacting the damage to late-class circuit, on the other hand ensures
Signal is not influenced during small-signal to the performance of rear class circuit transmission, the RC filter circuits through capacitance C7, resistance R8 composition after this are filtered
Enter the inverting input of operational amplifier A R4 after ripple, the normal optical power signals of transmitter transmitting are through luminous power reference signal
The RC filter circuits filtering of port H2 connection capacitances C8, resistance R9 composition, resistance R10 are sent to operational amplifier A R4's after pulling down
In-phase input end, the inverting input and homophase input end signal of operational amplifier A R4 carry out reversed ratio subtraction, resistance
R11 is feedback resistance, adjusts reversed ratio enlargement multiple, and operational amplifier A R4 output terminals output signal is smoothly filtered through inductance L3
Stable thermal compensation signal is coupled to the base stage of triode Q1 by ripple.
Present invention tool is in use, be detected the optical power signals size that transmitter emits using light power meter, amplitude limit
Enter the inverting input of operational amplifier A R4 after filtering, subtraction ratio fortune is carried out with in-phase input end luminous power reference signal
It calculates, exports amplified difference voltage, be connected to the base stage of triode Q1 as thermal compensation signal after inductance L3 smothing filterings, with
While the electrical power signal inputted couples, the signal after coupling controls electrode potential for triode Q1, believes when containing exception in signal
Number when, for low level signal, triode Q1, Q2 are not turned on the signal after coupling at this time, but triode Q3 is turned on, and is coupled at this time
Signal afterwards is converted to power supply+10V and is flowed into after adjustable resistance RW1 partial pressures through capacitance C2 in the in-phase input end of transport and placing device AR2,
Transport and placing device AR2 amplified signals, input amplification coupling output electricity after the lc circuit filtering composed in parallel through inductance L1 and capacitance C3, C4
In adder AR3 in-phase input ends in road, the current potential of transport and placing device AR1 outputs at this time is zero, therefore after adder AR3 couplings
Signal that is to say that transport and placing device AR2 amplifies filtered signal, and the effect that amplitude modulation filters out abnormal signal is played in emitted device E1 transmittings
Fruit；When signal is normal signal, the signal after coupling at this time is high level signal, at this point, triode Q1, Q2, Q3 are turned on, electricity
The biasing resistor that R1, R2 are triode Q1 is hindered, in the in-phase input end of the signal input transport and placing device AR1 after coupling, transport and placing device AR1
Adding in input amplification coupling output circuit after the lc circuit filtering composed in parallel after amplified signal through inductance L2 and capacitance C5, C6
In musical instruments used in a Buddhist or Taoist mass AR3 in-phase input ends, while power supply+10V flows into the same of transport and placing device AR2 after adjustable resistance RW1 partial pressures through capacitance C2
In phase input terminal, transport and placing device AR2 amplified signals are inputted after the lc circuit filtering composed in parallel through inductance L1 and capacitance C3, C4 and put
In adder AR3 in-phase input ends in big coupling output circuit, directly inputted after adder AR3 coupled signals in transmitter E1
Launch, ensure that the optical power signals that transmitter E1 launches are stablized, overcome optical network signal in long distance transmission process
In, it may appear that the problem of signal is weak, wherein the resistance value through overregulating adjustable resistance RW1, can adjust triode Q1, Q2, Q3
Conducting voltage, different types of optical power signals can be adjusted with this.
The above is to combine specific embodiment further description made for the present invention, it is impossible to assert the present invention
Specific implementation is limited only to this；For belonging to the present invention and for those skilled in the technology concerned, based on skill of the present invention
Under the premise of art scheme thinking, the expansion made and operating method, the replacement of data, should all fall the scope of the present invention it
It is interior.
Claims (3)
1. optical network signal enhances radiating circuit, defeated including optical power signals feedback compensation circuit, modulation circuit and amplification coupling
Go out circuit, which is characterized in that the optical power signals of optical power signals feedback compensation circuit detection optical transmitting set E1, and with light
Power reference signal is inputted after comparing amplification in modulation circuit, and the modulation circuit receives electrical power signal and optical power signals are anti-
The signal of compensation circuit input and coupling are presented, is then formed using triode Q1, Q2 and adjustable resistance RW1 and triode Q3
Compound circuit amplitude modulation is finally amplified by amplification coupling output circuit with transport and placing device AR1, while transport and placing device AR1 amplification outputs
Signal couples output together with the reference potential that transport and placing device AR2 is exported in input summer AR3；
The modulation circuit includes triode Q1, and the base stage of triode Q1 connects the electrical power transmitted through resistance R12 respectively
Signal, the output signal of optical power signals feedback compensation circuit, one end of resistance R1, one end of resistance R2, resistance R1's is another
The other end connection ground of end connection power supply+10V, resistance R2, the collector connection power supply+10V of triode Q1, the hair of triode Q1
The base stage of emitter-base bandgap grading connecting triode Q2, the collector of triode Q2 connect the lower end of adjustable resistance RW1, the base of triode Q3 respectively
Pole, the adjustable end of adjustable resistance RW1, the upper end of adjustable resistance RW1, one end of ground capacity C1 are all connected with power supply+10V, three poles
The emitter of pipe Q3 passes through resistance R3 connections ground, the collector connection power supply+10V of triode Q3.
2. optical network signal according to claim 1 enhances radiating circuit, which is characterized in that the optical power signals feedback
Compensation circuit includes luminous power detection signal port H1, luminous power reference signal port H2, and luminous power detection signal port H1 is defeated
The optical power signals gone out connect the anode of diode D1, the cathode of diode D2 respectively, and the anode of diode D2 connects two respectively
The cathode of pole pipe D1, one end of ground capacity C7, one end of resistance R8, the other end of resistance R8 connect the one of resistance R11 respectively
End, the inverting input of operational amplifier A R4, the benchmark optical power signals of luminous power reference signal port H2 outputs connect respectively
One end, one end of resistance R9 of ground capacity C8, the other end of resistance R9 connects one end of ground resistance R10 respectively, computing is put
The in-phase input end of big device AR4, the output terminal of operational amplifier A R4 connect the other end of resistance R11, the one of inductance L3 respectively
End, the other end of inductance L3 are the output signal of optical power signals feedback compensation circuit.
3. optical network signal according to claim 1 enhances radiating circuit, which is characterized in that the amplification coupling output electricity
Road includes operational amplifier A R1, AR2, the emitter of the in-phase input end connecting triode Q2 of operational amplifier A R1, and computing is put
One end of the inverting input connection capacitance C9 of big device AR1, the anti-phase input of the other end concatenation operation amplifier AR2 of capacitance C9
End, one end of the in-phase input end connection capacitance C2 of operational amplifier A R1, the other end connection power supply+10V of capacitance C2, computing
The output terminal of amplifier AR2 connects one end of ground capacity C3, one end of inductance L1 respectively, and the other end of inductance L1 connects respectively
One end, one end of resistance R4 of ground capacity C4, the output terminal of operational amplifier A R1 connect respectively one end of ground capacity C5,
One end of inductance L2, the other end of inductance L2 connect one end of ground capacity C6, one end of resistance R5 respectively, and resistance R4's is another
End connects the other end, the in-phase input end of operational amplifier A R3, one end of resistance R6 of resistance R5 respectively, and resistance R6's is another
Hold the output terminal of concatenation operation amplifier AR3, output terminal connection the optical transmitting set E1, operational amplifier A R3 of operational amplifier A R3
Inverting input pass through resistance R7 connections ground.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711457450.3A CN108055084B (en) | 2017-12-28 | 2017-12-28 | Optical network signal enhancement transmitting circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711457450.3A CN108055084B (en) | 2017-12-28 | 2017-12-28 | Optical network signal enhancement transmitting circuit |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108055084A true CN108055084A (en) | 2018-05-18 |
| CN108055084B CN108055084B (en) | 2019-12-24 |
Family
ID=62129003
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711457450.3A Active CN108055084B (en) | 2017-12-28 | 2017-12-28 | Optical network signal enhancement transmitting circuit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108055084B (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108566224A (en) * | 2018-04-26 | 2018-09-21 | 郑州工程技术学院 | Internet of Things system based on wireless network |
| CN108572579A (en) * | 2018-07-26 | 2018-09-25 | 黄河科技学院 | Agricultural greenhouse Data Management Analysis system based on Internet of Things |
| CN108988820A (en) * | 2018-09-30 | 2018-12-11 | 郑州航空工业管理学院 | A kind of Analysis of Network Information system |
| CN109257053A (en) * | 2018-11-19 | 2019-01-22 | 国网江苏省电力有限公司仪征市供电分公司 | A kind of network signal enhancement device |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3548399B2 (en) * | 1997-10-17 | 2004-07-28 | 株式会社日立製作所 | Peak value detection circuit and burst signal amplifier |
| CN1725597A (en) * | 2005-06-24 | 2006-01-25 | 成都市康铭电器有限公司 | Intelligent quick charger for accumulator |
| CN201657257U (en) * | 2010-04-08 | 2010-11-24 | 上海第二工业大学 | Infrared wireless audio signal transmitting and receiving device |
| CN102244510A (en) * | 2011-05-18 | 2011-11-16 | 广州市金矢电子有限公司 | Trigger energy saving apparatus and thyristor switch |
| CN204068907U (en) * | 2014-08-07 | 2014-12-31 | 安徽旭特电子科技有限公司 | A kind of integrated triode ON-OFF control circuit |
| CN204465543U (en) * | 2015-04-13 | 2015-07-08 | 石小红 | A kind of radiating circuit of optical-fibre communications |
| CN106330331A (en) * | 2015-06-30 | 2017-01-11 | 青岛海信宽带多媒体技术有限公司 | Optical module |
| CN206210100U (en) * | 2016-05-31 | 2017-05-31 | 武汉东湖学院 | A kind of width-adjustable smart home infrared communication circuit |
-
2017
- 2017-12-28 CN CN201711457450.3A patent/CN108055084B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3548399B2 (en) * | 1997-10-17 | 2004-07-28 | 株式会社日立製作所 | Peak value detection circuit and burst signal amplifier |
| CN1725597A (en) * | 2005-06-24 | 2006-01-25 | 成都市康铭电器有限公司 | Intelligent quick charger for accumulator |
| CN201657257U (en) * | 2010-04-08 | 2010-11-24 | 上海第二工业大学 | Infrared wireless audio signal transmitting and receiving device |
| CN102244510A (en) * | 2011-05-18 | 2011-11-16 | 广州市金矢电子有限公司 | Trigger energy saving apparatus and thyristor switch |
| CN204068907U (en) * | 2014-08-07 | 2014-12-31 | 安徽旭特电子科技有限公司 | A kind of integrated triode ON-OFF control circuit |
| CN204465543U (en) * | 2015-04-13 | 2015-07-08 | 石小红 | A kind of radiating circuit of optical-fibre communications |
| CN106330331A (en) * | 2015-06-30 | 2017-01-11 | 青岛海信宽带多媒体技术有限公司 | Optical module |
| CN206210100U (en) * | 2016-05-31 | 2017-05-31 | 武汉东湖学院 | A kind of width-adjustable smart home infrared communication circuit |
Non-Patent Citations (1)
| Title |
|---|
| 曹树伟等: "基于multisim的调幅电路仿真", 《赤峰学院学报（自然科学版）》 * |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108566224A (en) * | 2018-04-26 | 2018-09-21 | 郑州工程技术学院 | Internet of Things system based on wireless network |
| CN108566224B (en) * | 2018-04-26 | 2020-02-14 | 郑州工程技术学院 | Internet of things system based on wireless network |
| CN108572579A (en) * | 2018-07-26 | 2018-09-25 | 黄河科技学院 | Agricultural greenhouse Data Management Analysis system based on Internet of Things |
| CN108572579B (en) * | 2018-07-26 | 2023-10-13 | 黄河科技学院 | Agricultural greenhouse data processing analysis system based on Internet of things |
| CN108988820A (en) * | 2018-09-30 | 2018-12-11 | 郑州航空工业管理学院 | A kind of Analysis of Network Information system |
| CN108988820B (en) * | 2018-09-30 | 2023-09-01 | 北京易用时代科技有限公司 | Network information analysis system |
| CN109257053A (en) * | 2018-11-19 | 2019-01-22 | 国网江苏省电力有限公司仪征市供电分公司 | A kind of network signal enhancement device |
| CN109257053B (en) * | 2018-11-19 | 2023-06-23 | 国网江苏省电力有限公司仪征市供电分公司 | Network signal enhancing device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN108055084B (en) | 2019-12-24 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN108055084A (en) | Optical network signal enhances radiating circuit | |
| CN109194349A (en) | A kind of construction real-time monitoring system based on Internet of Things | |
| CN110266407A (en) | A kind of data security protecting system based on cloud computing | |
| CN109596483A (en) | A kind of operating environment detection system | |
| CN108345556A (en) | The circuit for signal conditioning of electronic product control device | |
| CN109104163A (en) | A kind of bridge project management system based on Internet of Things | |
| CN109814465A (en) | A kind of water supply remote monitoring system based on Internet of Things | |
| CN109217929A (en) | A kind of super high speed all-optical communication system | |
| CN109743057A (en) | A kind of data transmission of internet of things calibration equipment | |
| CN109831180B (en) | Signal compensation circuit for water supply remote monitoring system | |
| CN109561299A (en) | One kind being used for monitor camera intelligent fault analysis equipment | |
| CN206564603U (en) | A kind of photelectric receiver for being used to improve visible light communication medium-high frequency gain | |
| CN109347513A (en) | A kind of bid and purchase information calibration circuit | |
| CN110348796A (en) | Logistics information collection system | |
| CN109787565A (en) | A kind of multi-action computer data acquisition device | |
| CN109067370A (en) | Electronic data signals processing circuit | |
| CN105141266A (en) | Photoelectric isolation amplifier of analogue signals | |
| CN105355704A (en) | Symmetrical double-PIN balance photoelectric detector | |
| CN110445477A (en) | A kind of data-signal distortion adjusting circuit | |
| CN108494418A (en) | A kind of big data signal calibration circuit | |
| CN109391286A (en) | Bid and purchase process information management system | |
| CN208796909U (en) | One kind is for the small signal isolation control circuit of relay in number DC converter | |
| CN208589986U (en) | A kind of smart home wireless network signal adjusting circuit | |
| CN109687880A (en) | Multimedia messages monitoring system signal calibration circuit | |
| CN110504931A (en) | A kind of computer network signal transmission amplifying circuit |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |