CN110324944A - A kind of light source drive device for PIN-FET coupling - Google Patents
A kind of light source drive device for PIN-FET coupling Download PDFInfo
- Publication number
- CN110324944A CN110324944A CN201810274411.8A CN201810274411A CN110324944A CN 110324944 A CN110324944 A CN 110324944A CN 201810274411 A CN201810274411 A CN 201810274411A CN 110324944 A CN110324944 A CN 110324944A
- Authority
- CN
- China
- Prior art keywords
- light source
- pin
- circuit
- fet
- sine wave
- 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
- 238000010168 coupling process Methods 0.000 title claims abstract description 26
- 230000008878 coupling Effects 0.000 title claims abstract description 25
- 238000005859 coupling reaction Methods 0.000 title claims abstract description 25
- 230000010356 wave oscillation Effects 0.000 claims abstract description 21
- 230000003321 amplification Effects 0.000 claims abstract description 20
- 238000003199 nucleic acid amplification method Methods 0.000 claims abstract description 20
- 230000003287 optical effect Effects 0.000 claims abstract description 16
- 239000013307 optical fiber Substances 0.000 claims description 8
- 241000301144 Dendrolimus kikuchii Species 0.000 claims description 3
- 238000012797 qualification Methods 0.000 abstract description 2
- 238000012544 monitoring process Methods 0.000 abstract 1
- 239000000835 fiber Substances 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 238000006243 chemical reaction Methods 0.000 description 3
- 238000012935 Averaging Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000035945 sensitivity Effects 0.000 description 2
- 230000000087 stabilizing effect Effects 0.000 description 2
- 230000001427 coherent effect Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000003384 imaging method Methods 0.000 description 1
- 230000004043 responsiveness Effects 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
- H05B47/00—Circuit arrangements for operating light sources in general, i.e. where the type of light source is not relevant
- H05B47/10—Controlling the light source
Abstract
The present invention relates to a kind of light source drive devices for PIN-FET coupling, it is internal with light source (4), light source (4) output end is connect with PIN-FET detector (8), the device includes voltage regulator circuit (1), sine wave oscillation circuit (2) and amplification driving circuit (3), voltage regulator circuit (1) output end is powered to sine wave oscillation circuit (2) and amplification driving circuit (3), sine wave oscillation circuit (2) output end is connect with amplification driving circuit (3), the amplification driving circuit (3) is by sine-wave superimposed to light source (4), form optical signal.Compared with prior art, the present invention can complete light source in the market cannot function, by sine-wave superimposed into light source, and carry out the decaying of optical power；Convenient for the state of monitoring detector coupling, reach the voltage responsive degree of requirement, improves qualification rate；The quality of PIN-FET detector internal circuit and optical path can be fed back simultaneously.
Description
Technical field
The present invention relates to a kind of light source drive devices, drive dress more particularly, to a kind of light source for PIN-FET coupling
It sets.
Background technique
PIN-FET detector has photoelectric conversion region and the signal output area region Liang Zhong.Photoelectric conversion regions mainly will
Optical signal is converted into electric signal, and signal output area is exported again after the electric signal that will convert into amplifies.Therefore its is main
Purposes is optical fibre gyro, fibre optical sensor, coherent fiber chromatographic imaging system.
The coupling of PIN-FET detector is again the most key process.The coupling of PIN-FET detector is by oblique 8 ° of optical fiber
It is coupled in detector.The major function of PIN-FET detector is the conversion of photosignal and the output of electric signal, it is desirable that
Modulated light source containing sine wave signal.The quality of coupling is directly related to the voltage responsive degree of PIN-FET detector, sensitivity
Etc. performances.So most of companies in order to improve qualification rate, also can carry out PIN-FET detector using different supervision equipments
Coupling.But in the coupling process of different model PIN-FET detector, it is necessary to use a common equipment: light source.And city
The light source that can be bought on field is the light source for exporting different wave length, does not have Signal averaging function.Even if using letter
Number generator and optical attenuator can not reach required function.
Summary of the invention
It is an object of the present invention to overcome the above-mentioned drawbacks of the prior art and provide one kind to be used for PIN-FET coupling
The light source drive device of conjunction, it is ensured that the performances such as PIN-FET detector voltage responsiveness, sensitivity maximize, and optimize.
The purpose of the present invention can be achieved through the following technical solutions:
A kind of light source drive device for PIN-FET coupling, it is internal to have a light source, the light source output end with
The connection of PIN-FET detector, the device includes voltage regulator circuit, sine wave oscillation circuit and amplification driving circuit, described
Circuit output end of pressure-stabilizing is powered to sine wave oscillation circuit and amplification driving circuit, the sine wave oscillation circuit output end with
Sine-wave superimposed to light source is formed optical signal by amplification driving circuit connection, the amplification driving circuit.
The sine wave oscillation circuit is Dendrolimus kikuchii sine wave oscillation circuit.
The light source output end connects light source adjuster.
The light source adjuster is connect by optical fiber with PIN-FET detector.
The light source adjuster is connect by FC interface with optical fiber.
The voltage regulator circuit is direct current regulation circuit, and input terminal connects DC power supply.
Compared with prior art, the invention has the following advantages that
(1) contain sine wave oscillation circuit in device, which can generate needed for PIN-FET detector
The sine wave of the specific frequency and fixed amplitude wanted.The coupling that detector is carried out using AC signal, can be shown in oscillograph
Show the real-time couple state of detector, detector coupling is made to reach the voltage responsive degree of requirement.Also PIN-FET detection out can be fed back
The quality of device internal circuit and optical path.
(2) driving light source is carried out using amplification driving circuit, light source can be made to work to stablize optical power, and can be with
The Signal averaging for generating sine-wave oscillator is into optical signal
(3) light source adjuster is used, optical signal can arbitrarily be decayed, reach the optical power of different model request detector
Value.
(4) voltage regulator circuit is used, it is ensured that other circuit stabilities, effective work reduce interference of the noise to circuit.
Detailed description of the invention
Fig. 1 is the light source drive device structural schematic diagram of the present embodiment；
Fig. 2 is the present embodiment light source drive device usage mode schematic diagram in coupling table.
Specific embodiment
The present invention is described in detail with specific embodiment below in conjunction with the accompanying drawings.The present embodiment is with technical solution of the present invention
Premised on implemented, the detailed implementation method and specific operation process are given, but protection scope of the present invention is not limited to
Following embodiments.
Embodiment
As shown in Figure 1, a kind of light source drive device for PIN-FET coupling, internal to have light source 4, light source 4 is exported
End is connect with PIN-FET detector 8, and device includes voltage regulator circuit 1, sine wave oscillation circuit 2 and amplification driving circuit 3, pressure stabilizing
1 output end of circuit is powered to sine wave oscillation circuit 2 and amplification driving circuit 3, and 2 output end of sine wave oscillation circuit and amplification are driven
Dynamic circuit 3 connects, and sine-wave superimposed to light source 4 is formed optical signal by amplification driving circuit 3.
Sine wave oscillation circuit 2 is Dendrolimus kikuchii sine wave oscillation circuit, because the waveform of any signal can be using just
String wave is superimposed to obtain, so mostly test signal uses sine wave.Contain enlarging section in sine wave oscillation circuit 2
Point, fixed ampllitude link, frequency-selective network, positive feedback network etc..
4 output end of light source is sequentially connected light source adjuster 5, FC interface 6, then passes through optical fiber 7 and PIN-FET detector 8
Connection.
Light source drive device internal sine wave oscillating circuit 2 generates sine wave signal, makes sine by amplification driving circuit 3
Wave signal loading drives light source 4 into the light source 4 of driving.Light signal is finally adjusted by light source adjuster 5, makes to export
Light signal reach different model PIN-FET detector 8 needed for optical power value.
As shown in Figure 1, 2, PIN-FET detector 8 is fixed on coupling table 9 and carries out fiber coupling.Coupling video system 10
To observe fiber position, optical fiber is avoided to damage.Electric energy needed for providing PIN-FET detector 8 as power supply 11.By light source drive device
Electric signal is provided for PIN-FET detector 8.The electric signal exported after coupling is observed by oscillograph 12.
220V normal communication voltage external first, by transformation network 13 and AC/DC switching network 14, by 220V alternating current
Pressure is converted to+12V DC voltage.The voltage carries out pressure stabilizing by voltage regulator circuit 1, while being removed noise, then to sine
Wave oscillating circuit 2 and amplification driving circuit 3 provide electric energy.The fixed ampllitude link of sine wave oscillation circuit 2 limits amplitude as 500mV,
It is 200K Hz that frequency-selecting link, which selectes frequency,.The sine wave of the frequency of generation and amplitude is sent in amplification driving circuit 3.It puts
It is enabled that big driving circuit 3 carries out light source first, then the sine wave source of generation is added in light source 4, forms optical signal；Light
Signal carries out any decaying by light source adjuster 5, to meet the work of PIN-FET detector 8.
Claims (6)
1. a kind of light source drive device for PIN-FET coupling, internal to have light source (4), the light source (4) output end
It is connect with PIN-FET detector (8), which is characterized in that the device includes voltage regulator circuit (1), sine wave oscillation circuit (2)
With amplification driving circuit (3), the voltage regulator circuit (1) output end is to sine wave oscillation circuit (2) and amplification driving circuit (3)
Power supply, the sine wave oscillation circuit (2) output end are connect with amplification driving circuit (3), the amplification driving circuit (3)
By sine-wave superimposed to light source (4), optical signal is formed.
2. a kind of light source drive device for PIN-FET coupling according to claim 1, which is characterized in that described
Sine wave oscillation circuit (2) is Dendrolimus kikuchii sine wave oscillation circuit.
3. a kind of light source drive device for PIN-FET coupling according to claim 1, which is characterized in that described
Light source (4) output end connects light source adjuster (5).
4. a kind of light source drive device for PIN-FET coupling according to claim 3, which is characterized in that described
Light source adjuster (5) is connect by optical fiber (7) with PIN-FET detector (8).
5. a kind of light source drive device for PIN-FET coupling according to claim 4, which is characterized in that described
Light source adjuster (5) is connect by FC interface (6) with optical fiber (7).
6. a kind of light source drive device for PIN-FET coupling according to claim 1, which is characterized in that described
Voltage regulator circuit (1) is direct current regulation circuit, and input terminal connects DC power supply.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810274411.8A CN110324944A (en) | 2018-03-29 | 2018-03-29 | A kind of light source drive device for PIN-FET coupling |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810274411.8A CN110324944A (en) | 2018-03-29 | 2018-03-29 | A kind of light source drive device for PIN-FET coupling |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110324944A true CN110324944A (en) | 2019-10-11 |
Family
ID=68111078
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810274411.8A Pending CN110324944A (en) | 2018-03-29 | 2018-03-29 | A kind of light source drive device for PIN-FET coupling |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110324944A (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20070114952A1 (en) * | 2005-11-18 | 2007-05-24 | Hui-Qiang Yang | Light source driver circuit |
| US20100181918A1 (en) * | 2009-01-16 | 2010-07-22 | Ampower Technology Co., Ltd. | Light source driving device |
| US20100213862A1 (en) * | 2009-02-20 | 2010-08-26 | Ampower Technology Co., Ltd. | Light source driving device |
| CN102778613A (en) * | 2011-05-10 | 2012-11-14 | 北京浦丹光电技术有限公司 | Performance index test method of PIN-FET (p-intrinsic-n field effect transistor) light receiving assembly |
| CN103335641A (en) * | 2013-06-28 | 2013-10-02 | 北京航空航天大学 | Resonator optical gyroscope based on resonant intracavity modulation |
| CN104319624A (en) * | 2014-10-16 | 2015-01-28 | 浙江大学 | Compensation device and method for light source power fluctuation of super radiation light emitting diode |
| CN208113040U (en) * | 2018-03-29 | 2018-11-16 | 上海亨通光电科技有限公司 | A kind of light source drive device for PIN-FET coupling |
-
2018
- 2018-03-29 CN CN201810274411.8A patent/CN110324944A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20070114952A1 (en) * | 2005-11-18 | 2007-05-24 | Hui-Qiang Yang | Light source driver circuit |
| US20100181918A1 (en) * | 2009-01-16 | 2010-07-22 | Ampower Technology Co., Ltd. | Light source driving device |
| US20100213862A1 (en) * | 2009-02-20 | 2010-08-26 | Ampower Technology Co., Ltd. | Light source driving device |
| CN102778613A (en) * | 2011-05-10 | 2012-11-14 | 北京浦丹光电技术有限公司 | Performance index test method of PIN-FET (p-intrinsic-n field effect transistor) light receiving assembly |
| CN103335641A (en) * | 2013-06-28 | 2013-10-02 | 北京航空航天大学 | Resonator optical gyroscope based on resonant intracavity modulation |
| CN104319624A (en) * | 2014-10-16 | 2015-01-28 | 浙江大学 | Compensation device and method for light source power fluctuation of super radiation light emitting diode |
| CN208113040U (en) * | 2018-03-29 | 2018-11-16 | 上海亨通光电科技有限公司 | A kind of light source drive device for PIN-FET coupling |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN208113040U (en) | A kind of light source drive device for PIN-FET coupling | |
| CN206489236U (en) | It is multi-functional to core instrument | |
| CN115642935A (en) | Carrier modulation circuit of airport navigation light power supply network | |
| CN115236486A (en) | Chip testing machine | |
| CN110324944A (en) | A kind of light source drive device for PIN-FET coupling | |
| CN209562554U (en) | Optical cable detector | |
| CN209946309U (en) | IGBT drive test circuit | |
| WO2017152312A1 (en) | New type of power-grid measurement and control system using power carrier technology | |
| CN108089091B (en) | Current transformer secondary wiring polarity measuring device and measuring instrument | |
| CN210199218U (en) | Multifunctional electric energy quality analyzer | |
| CN111525623B (en) | Diesel generating set parallel output double-bus simultaneous on-line mutual standby power supply control system | |
| CN201260025Y (en) | Laser driving source | |
| CN208548831U (en) | A kind of ultrasonic power | |
| CN203811648U (en) | Standard sample for testing electromagnetic compatibility of lamp product | |
| CN208537941U (en) | A kind of circuit of MCU driving ultrasonic wave | |
| CN204557769U (en) | A kind of high-voltage signal transmitting device of variable-frequency series-resonance equipment | |
| CN203038049U (en) | Programmable AC power source digital platform | |
| CN214416908U (en) | Plasma surface treatment device for robot glue spreader equipment | |
| CN111521877A (en) | Transient electromagnetic environment distributed wireless measurement system and method | |
| CN206710580U (en) | A kind of portable superfrequency sensor function verifier | |
| CN205544599U (en) | Photovoltaic case becomes measurement and control device's operation ware | |
| CN211781783U (en) | Voice air conditioner remote controller | |
| CN219945011U (en) | Welding system and welding equipment | |
| CN216413994U (en) | Optical fiber partial discharge phase synchronization module | |
| CN219574277U (en) | Portable oscillatory wave pressurization partial discharge test device |
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 | ||
| CB02 | Change of applicant information | ||
| CB02 | Change of applicant information |
Address after: 200436 No. 555 JIANGCHANG West Road, Jingan District, Shanghai Applicant after: Shanghai Aoshi Control Technology Co., Ltd Address before: 200436 No. 555 JIANGCHANG West Road, Jingan District, Shanghai Applicant before: SHANGHAI HENGTONG PHOTOELECTRIC TECHNOLOGY Co.,Ltd. |