CN110166027A - High-voltage pulse signal generation device and method - Google Patents
High-voltage pulse signal generation device and method Download PDFInfo
- Publication number
- CN110166027A CN110166027A CN201910360408.2A CN201910360408A CN110166027A CN 110166027 A CN110166027 A CN 110166027A CN 201910360408 A CN201910360408 A CN 201910360408A CN 110166027 A CN110166027 A CN 110166027A
- Authority
- CN
- China
- Prior art keywords
- voltage
- pulse signal
- input
- module
- circuit
- 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
- H03—ELECTRONIC CIRCUITRY
- H03K—PULSE TECHNIQUE
- H03K3/00—Circuits for generating electric pulses; Monostable, bistable or multistable circuits
- H03K3/01—Details
- H03K3/011—Modifications of generator to compensate for variations in physical values, e.g. voltage, temperature
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03K—PULSE TECHNIQUE
- H03K3/00—Circuits for generating electric pulses; Monostable, bistable or multistable circuits
- H03K3/02—Generators characterised by the type of circuit or by the means used for producing pulses
- H03K3/353—Generators characterised by the type of circuit or by the means used for producing pulses by the use, as active elements, of field-effect transistors with internal or external positive feedback
Abstract
The present invention provides a kind of high-voltage pulse signal generation device and method, comprises the following modules: signal input module, for the low voltage modulated signal of input to be converted to the first pulse signal and is exported；Voltage regulator module, the first input voltage for that will input are increased to the first predeterminated voltage and export；Circuit switching module, input terminal are connected to the output end of the signal input module and the output end of the voltage regulator module, for generating high-voltage pulse signal based on first pulse signal and first predeterminated voltage；Impedance matching module is connected to the output end of the circuit switching module, for absorbing echo.A kind of high-voltage pulse signal generation device of the invention and method produce the high-voltage pulse signal in the fields such as suitable terahertz time-domain spectroscopy system or piezoelectric material research by the reasonably combined of modules and setting.
Description
Technical field
The invention belongs to high-voltage pulse signal fields, more particularly to a kind of high-voltage pulse signal generation device and method.
Background technique
Currently, making due to requiring high-voltage pulse signal in the fields such as terahertz time-domain spectroscopy system or piezoelectric material research
For signal.Existing scheme mostly uses greatly discrete mos pipe to build, and high voltage power supply is handled using two-stage boosting, since mos pipe is difficult to do
Accurately consistent to parameter, driving impulse electricity process is different, leads to signal rising edge and the asymmetric problem of failing edge.Due to
Mos pipe, which has economize on electricity, to be held, and output signal slope is caused to be higher than 200ns, and load and output impedance mismatch, and forms back wave, also
Signal interference can be generated, waveform needs to correct, efficiency is not high enough.
Summary of the invention
In view of the foregoing deficiencies of prior art, the purpose of the present invention is to provide a kind of high-voltage pulse signals to generate dress
It sets and method, the high-voltage pulse signal for solving the problems, such as generation in the prior art is inappropriate.
In order to achieve the above objects and other related objects, the present invention provides a kind of high-voltage pulse signal generation device and side
Method, described device comprise the following modules: signal input module, for the low voltage modulated signal of input to be converted to the first pulse letter
Number and export；Voltage regulator module, the first input voltage for that will input are increased to the first predeterminated voltage and export；Circuit is cut
Block is changed the mold, input terminal is connected to the output end of the signal input module and the output end of the voltage regulator module, uses
In based on first pulse signal and first predeterminated voltage generation high-voltage pulse signal；Impedance matching module is connected to
The output end of the circuit switching module, for absorbing echo.
In one embodiment of the invention, the signal input module includes impulsive switched circuit and photoelectric coupled circuit；It is described
Impulsive switched circuit is used to the low voltage modulated signal being converted to low voltage pulse signal；The photoelectric coupled circuit is cut with the pulse
Circuit is changed to be connected for the low voltage pulse signal to be converted to the first pulse signal.
In one embodiment of the invention, the impulsive switched circuit is CFD circuit.
In one embodiment of the invention, the square-wave signal that the low voltage modulated signal is 0 to 5V, the first pulse signal is
The pulse signal of 12V.
In one embodiment of the invention, first input voltage is 12V, and first predeterminated voltage is 100V.
In one embodiment of the invention, the voltage regulator module includes sepic circuit.
In one embodiment of the invention, the impedance matching module includes pi type match circuit.
In one embodiment of the invention, the high-voltage pulse signal is the pulse signal of 100V.
In one embodiment of the invention, circuit switching module includes the first buffer, charge pump, selects switch, is reversed
Device, the first pmos pipe and the 2nd pmos pipe；The input terminal of first buffer and the reverser is defeated with the signal respectively
The output end for entering module is connected；The first end of the charge pump is connected with first buffer, the second end of the charge pump
It is connected with the source electrode of the first pmos pipe；It is described that switch is selected to switch for two grades of selections, including common end, first end and second
The common end at end, the selection switch is connected with the first end of the charge pump；The first end of the selection switch and the electricity
The input terminal of adjustment module is pressed to be connected；The second end of the selection switch is connected with the grid of the first pmos pipe；The choosing
The common end for selecting switch is connected when first pulse signal is low level signal with the first port of the selection switch；Institute
State select switch common end first pulse signal be high level signal when with it is described select switch second port phase
Even；The drain electrode of the first pmos pipe is connected with the output end of the voltage regulator module；The source electrode of the first pmos pipe and
The drain electrode of the 2nd pmos pipe is connected, the drain electrode of the source electrode and the 2nd pmos pipe of the first pmos pipe and the charge
The second end of pump is connected；The source electrode of the 2nd pmos pipe is grounded；The output end of the reverser and the 2nd pmos pipe
Grid is connected.
To achieve the above object, the present invention also provides a kind of optical module ageing testing methods, comprising the following steps: signal is defeated
Enter module the low voltage modulated signal of input is converted to the first pulse signal and is exported to circuit switching module；Voltage regulator module
First input voltage of input is increased to the first predeterminated voltage and is exported to the circuit switching module；The circuit switches mould
Block is based on first pulse signal, first input voltage and first predeterminated voltage and generates high-voltage pulse signal；Resistance
Anti- matching module absorbs the echo that the circuit switching module generates.
As described above, a kind of high-voltage pulse signal generation device of the present invention and method, have the advantages that
Low voltage modulated signal is set to carry out waveform modification based on impulsive switched circuit and photoelectric coupled circuit；Based on voltage regulator module
Suitable first predeterminated voltage is provided to improve efficiency；Echo is absorbed based on impedance matching module.
Detailed description of the invention
Fig. 1 is shown as the structural schematic diagram of high-voltage pulse signal generation device of the invention in an embodiment.
Fig. 2 is shown as the flow diagram of high-voltage pulse signal production method of the invention in an embodiment.
Component label instructions
1 signal input module
11 impulsive switched circuits
12 photoelectric coupled circuits
Y delayer
B comparator
The second buffer of H2
2 voltage regulator modules
3 circuit switching modules
The first buffer of H1
F reverser
The first end of K1 charge pump
The input terminal of K2 voltage regulator module
The grid of the first pmos pipe of K3
The first pmos of P1 pipe
The 2nd pmos of P2 pipe
D charge pump
4 impedance matching modules
S201~S204 step
Specific embodiment
Illustrate embodiments of the present invention below by way of specific specific example, those skilled in the art can be by this specification
Other advantages and efficacy of the present invention can be easily understood for disclosed content.The present invention can also pass through in addition different specific realities
The mode of applying is embodied or practiced, the various details in this specification can also based on different viewpoints and application, without departing from
Various modifications or alterations are carried out under spirit of the invention.It should be noted that in the absence of conflict, following embodiment and implementation
Feature in example can be combined with each other.
It should be noted that illustrating the basic structure that only the invention is illustrated in a schematic way provided in following embodiment
Think, only shown in schema then with related component in the present invention rather than component count, shape and size when according to actual implementation
Draw, when actual implementation kenel, quantity and the ratio of each component can arbitrarily change for one kind, and its assembly layout kenel
It is likely more complexity.
A kind of high-voltage pulse signal generation device of the invention and method, are made low based on impulsive switched circuit and photoelectric coupled circuit
Modulated signal is pressed to carry out waveform modification；Suitable first predeterminated voltage is provided based on voltage regulator module to improve efficiency；Based on resistance
Anti- matching module absorbs echo.
As shown in Figure 1, in an embodiment, high-voltage pulse signal generation device of the invention, described device include: including
With lower module: signal input module 1, for the low voltage modulated signal of input to be converted to the first pulse signal and is exported；Voltage
Adjustment module 2, the first input voltage for that will input are increased to the first predeterminated voltage and export；Circuit switching module 3, input
End is connected to the output end of the signal input module 1 and the output end of the voltage regulator module 2, for based on described
First pulse signal and first predeterminated voltage generate high-voltage pulse signal；Impedance matching module 4 is connected to the circuit and cuts
The output end for changing the mold block 3, for absorbing echo.Suitable terahertz time-domain is produced by the reasonably combined and setting of modules
The high-voltage pulse signal in the fields such as spectroscopic system or piezoelectric material research.
In an embodiment, the signal input module 1 includes impulsive switched circuit 11 and photoelectric coupled circuit 12；The pulse
Switching circuit 11 is used to the low voltage modulated signal being converted to low voltage pulse signal；The photoelectric coupled circuit 12 is cut with the pulse
Circuit 11 is changed to be connected for the low voltage pulse signal to be converted to the first pulse signal.The impulsive switched circuit 11 includes prolonging
When device Y and comparator B, the signal input module 1 input terminal input the low voltage modulated signal be 0 to 5V square wave believe
Number, and it is divided into two paths of signals, first via signal is delayed by delayer Y, and is delivered to comparator B, and second road signal is straight
It connects and is delivered to comparator B, two paths of signals generates the low voltage pulse signal by the comparator B.The photoelectric coupled circuit 12 is
Photo-coupler (optical coupler equipment, english abbreviation OCEP) is also known as photoisolator or photoelectrical coupler,
Abbreviation optocoupler.It is the device for carrying out transmission telecommunications number using light as medium, usually photophore (infrared light-emitting diode LED) with
Light-receiving device (photosensitive semiconductor pipe, photo resistance) is encapsulated in same shell.When input terminal power up signal, photophore issues light
Line, light-receiving device receives just to generate photoelectric current after light, flow out from output end, to realize " electrical-optical-electrical " conversion.With light
Input end signal is coupled to for medium the photoelectrical coupler of output end, small in size, the service life is long, contactless since it has, and resists
The advantages that interference performance is strong, insulate between output and input, one-way transmission signal, is widely applied in digital circuit.
The photoelectric coupled circuit 12 is connected for the low voltage pulse signal to be converted to the first pulse letter with the impulsive switched circuit 11
Number.Specifically, first pulse signal is the pulse signal of 12V.
In an embodiment, the signal input module 1 include the second buffer H2, the second buffer H2 with it is described
Photoelectric coupled circuit 12 is connected, and for directly exporting the first pulse signal, is used in and promotes first pulse signal to higher leveled
Circuit system, i.e. circuit switching module 3.
In an embodiment, the impulsive switched circuit 11 is CFD circuit.Constant proportion phase discriminator CFD is a kind of novel energy
A kind of phase discriminator used in high frequency (100MHz or more) is reached, the difference with traditional phase discriminator is, the output and input of CFD
The change of size that is not inputted of phase difference and change.Specifically, the CFD circuit compares 0 point of generation, one impulsive switched
Circuit 11, makes output voltage gradient can achieve 5ns, and speed can be improved and eliminate shake.
In an embodiment, voltage regulator module 2, the first input voltage for that will input is increased to the first predeterminated voltage
And it exports.First input voltage of the voltage regulator module 2 is 12V, and first predeterminated voltage is 100V.Specifically
Ground, the voltage regulator module 2 include sepic circuit, Sepic (Single ended primary inductor
Converter) it is single-ended primary side inductance type converter, is that a kind of permissions output voltage is greater than, to be less than or equal to input electric
The dcdc converter of pressure.Output voltage is controlled by the duty ratio of master switch (triode or metal-oxide-semiconductor).This circuit is maximum good
Place is input and output same polarity.Another benefit is the isolation of input and output, is realized by the capacitor Cs on major loop.Simultaneously
Have and complete switches off function, when switching tube is closed, output voltage 0V.Using the boosting principle of sepic circuit, can reduce
Inductance area, improves efficiency.The first input voltage 12V is boosted into the first default electricity in the voltage regulator module 2
100V, maximum current 30mA are pressed, 3W high-voltage power supply is generated, ripple is down to 200mV.
In an embodiment, circuit switching module 3 includes the first buffer H1, charge pump D, reverser F, the first pmos pipe
P1 and the 2nd pmos pipe P2；The input terminal of the first buffer H1 and the reverser F respectively with the signal input module 1
Output end be connected, it is slow that the first pulse signal of the output end of the signal input module 1 output is transmitted separately to described first
Rush device H1 and the reverser F；The output end of the first buffer H1 is control terminal；The first end of the charge pump D is in institute
It states and is connected under the control of control terminal with the grid of the input terminal of the voltage regulator module 2 or the first pmos pipe P1；Described
When first pulse signal is low level signal, the control terminal controls the first end K1 of the charge pump and the voltage adjusts mould
The input terminal K2 of block 2 is connected；When first pulse signal is high level signal, the control terminal controls the charge pump
First end K1 is connected with the grid K3 of the first pmos pipe；The second end of the charge pump D is with the first pmos pipe P1's
Source electrode is connected；The drain electrode of the first pmos pipe P1 is connected with the output end of the voltage regulator module 2；The first pmos pipe
The source electrode of P1 is connected with the drain electrode of the 2nd pmos pipe P2, the source electrode and the 2nd pmos pipe P2 of the first pmos pipe P1
Drain electrode be connected with the second end of the charge pump D；The source electrode of the 2nd pmos pipe P2 is grounded；The output of the reverser F
End is connected with the grid of the 2nd pmos pipe P2.Specifically, when first pulse signal is low level signal, the electricity
The first end K1 of lotus pump is connected with the input terminal K2 of the voltage regulator module 2, charges to 12V at this time for the charge pump D, this
The first pulse signal of Shi Suoshu is that low level signal is high electric to the output of the grid of the 2nd pmos pipe P2 by the reverser F
Ordinary mail number, then the 2nd pmos pipe P2 is opened at this time, and the drain electrode of the 2nd pmos pipe P2 is defeated to the impedance matching module 4
The low level pulse signal of 0V out.When first pulse signal is high level signal by the reverser F to described the
The grid of two pmos pipe P2 exports low level signal, then the 2nd pmos pipe P2 is not opened at this time.The first of the charge pump
End K1 is connected when first pulse signal is high level signal with K3 mouthfuls of grid of the first pmos pipe；Described at this time
The grid K3 input high level signal of one pmos pipe P1, drain electrode and the voltage regulator module 2 of the first pmos pipe P1
Output end, which is connected, inputs first predeterminated voltage, and specifically, first predeterminated voltage is 100V, at this point, described first
Pmos pipe P1 is opened, and the source electrode of the first pmos pipe P1 is believed to the high level pulse of the impedance matching module 4 output 100V
Number.To input the first pulse signal and first predeterminated voltage based on the input terminal in circuit switching module 3, and described
The output end of circuit switching module 3 exports high-voltage pulse signal.Specifically, the pulse that the high-voltage pulse signal is 100V is believed
Number.It is symmetrical that this creates the terminal High voltage outputs, the fast high-voltage pulse signal of slope.
In an embodiment, the internal resistance of the first pmos pipe P1 and the 2nd pmos pipe P2 are 3 ohm, and input capacitance is
75pF。
In an embodiment, the impedance matching module 4 includes pi type match circuit.The pi type match circuit is for inhaling
Withdraw wave.
As shown in Fig. 2, the present invention also provides a kind of optical module ageing testing methods, including following step in an embodiment
It is rapid:
Step S201, the low voltage modulated signal of input is converted to the first pulse signal and exported to electricity by signal input module
Road switching module.
The signal input module is connected to circuit switching module, for the low voltage modulated signal of input to be converted to
One pulse signal is simultaneously exported to circuit switching module.
Step S202, the first input voltage of input is increased to the first predeterminated voltage and exported to institute by voltage regulator module
State circuit switching module.
The voltage regulator module is connected to circuit switching module, and the first input voltage for that will input is increased to
One predeterminated voltage is simultaneously exported to the circuit switching module.
Step S203, the described circuit switching module is based on first pulse signal, first input voltage and described
First predeterminated voltage generates high-voltage pulse signal.
The circuit switching module, input terminal are connected to the output end and the voltage tune of the signal input module
The output end for saving module, for being produced based on first pulse signal, first input voltage and first predeterminated voltage
Raw high-voltage pulse signal.
Step S204, impedance matching module absorbs the echo that the circuit switching module generates.
The impedance matching module is connected to the output end of the circuit switching module, for absorbing the circuit switching
The echo that module generates.
The protection scope of optical module ageing testing method of the present invention is not limited to the present embodiment the step of enumerating execution
Sequentially, the increase and decrease of the step of prior art that all principles according to the present invention are done, step replace realized scheme and all include
Within the scope of the present invention.
In conclusion a kind of high-voltage pulse signal generation device of the present invention and method, have the advantages that based on arteries and veins
Rushing switching circuit and photoelectric coupled circuit makes low voltage modulated signal carry out waveform modification；Suitable first is provided based on voltage regulator module
Predeterminated voltage improves efficiency；Echo is absorbed based on impedance matching module.
So the present invention effectively overcomes various shortcoming in the prior art and has high industrial utilization value.
The above-described embodiments merely illustrate the principles and effects of the present invention, and is not intended to limit the present invention.It is any ripe
The personage for knowing this technology all without departing from the spirit and scope of the present invention, carries out modifications and changes to above-described embodiment.Cause
This, institute is complete without departing from the spirit and technical ideas disclosed in the present invention by those of ordinary skill in the art such as
At all equivalent modifications or change, should be covered by the claims of the present invention.
Claims (10)
1. a kind of high-voltage pulse signal generation device, which is characterized in that comprise the following modules:
Signal input module, for the low voltage modulated signal of input to be converted to the first pulse signal and is exported；
Voltage regulator module, the first input voltage for that will input are increased to the first predeterminated voltage and export；
Circuit switching module, input terminal are connected to the output end and the voltage regulator module of the signal input module
Output end, for generating high-voltage pulse signal based on first pulse signal and first predeterminated voltage；
Impedance matching module is connected to the output end of the circuit switching module, for absorbing echo.
2. high-voltage pulse signal generation device according to claim 1, which is characterized in that the signal input module includes
Impulsive switched circuit and photoelectric coupled circuit；
The impulsive switched circuit is used to the low voltage modulated signal being converted to low voltage pulse signal；
The photoelectric coupled circuit is connected for the low voltage pulse signal to be converted to the first pulse letter with the impulsive switched circuit
Number.
3. high-voltage pulse signal generation device according to claim 2, which is characterized in that the impulsive switched circuit is
CFD circuit.
4. high-voltage pulse signal generation device according to claim 1, which is characterized in that the low voltage modulated signal is 0
To the square-wave signal of 5V, the first pulse signal is the pulse signal of 12V.
5. high-voltage pulse signal generation device according to claim 1, which is characterized in that first input voltage is
12V, first predeterminated voltage are 100V.
6. high-voltage pulse signal generation device according to claim 1, which is characterized in that the voltage regulator module includes
Sepic circuit.
7. high-voltage pulse signal generation device according to claim 1, which is characterized in that the impedance matching module includes
Pi type match circuit.
8. high-voltage pulse signal generation device according to claim 1, which is characterized in that the high-voltage pulse signal is
The pulse signal of 100V.
9. high-voltage pulse signal generation device according to claim 1, which is characterized in that circuit switching module includes first
Buffer, charge pump, reverser, the first pmos pipe and the 2nd pmos pipe；
The input terminal of first buffer and the reverser is connected with the output end of the signal input module respectively；
The output end of first buffer is control terminal；
The first end of the charge pump under the control of the control terminal with the input terminal of the voltage regulator module or first
The grid of pmos pipe is connected；When first pulse signal is low level signal, the control terminal controls the charge pump
First end is connected with the input terminal of the voltage regulator module；When first pulse signal is high level signal, the control
The first end that end processed controls the charge pump is connected with the grid of the first pmos pipe；
The drain electrode of the first pmos pipe is connected with the output end of the voltage regulator module；
The source electrode of the first pmos pipe is connected with the drain electrode of the 2nd pmos pipe, the source electrode of the first pmos pipe and described
The drain electrode of 2nd pmos pipe is connected with the second end of the charge pump；
The source electrode of the 2nd pmos pipe is grounded；
The output end of the reverser is connected with the grid of the 2nd pmos pipe.
10. a kind of based on any optical module ageing testing method of claim 1 to 9, which is characterized in that including following step
It is rapid:
The low voltage modulated signal of input is converted to the first pulse signal and exported to circuit switching module by signal input module；
First input voltage of input is increased to the first predeterminated voltage and exported to the circuit switch mould by voltage regulator module
Block；
The circuit switching module is based on first pulse signal, first input voltage and first predeterminated voltage and produces
Raw high-voltage pulse signal；
Impedance matching module absorbs the echo that the circuit switching module generates.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910360408.2A CN110166027B (en) | 2019-04-30 | 2019-04-30 | High-voltage pulse signal generating device and method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910360408.2A CN110166027B (en) | 2019-04-30 | 2019-04-30 | High-voltage pulse signal generating device and method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110166027A true CN110166027A (en) | 2019-08-23 |
| CN110166027B CN110166027B (en) | 2023-07-04 |
Family
ID=67633230
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910360408.2A Active CN110166027B (en) | 2019-04-30 | 2019-04-30 | High-voltage pulse signal generating device and method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110166027B (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TW201024739A (en) * | 2008-10-30 | 2010-07-01 | Verigy Pte Ltd Singapore | Test arrangement, pogo-pin and method for testing a device under test |
| CN104199500A (en) * | 2014-07-31 | 2014-12-10 | 青岛歌尔声学科技有限公司 | High voltage generating circuit and method, power source control circuit and electronic system |
| CN104734554A (en) * | 2015-01-19 | 2015-06-24 | 张湘杰 | Power source supercharger and power supply device |
| CN105763173A (en) * | 2016-02-18 | 2016-07-13 | 广东宝莱特医用科技股份有限公司 | Electrical pulse generating apparatus |
-
2019
- 2019-04-30 CN CN201910360408.2A patent/CN110166027B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TW201024739A (en) * | 2008-10-30 | 2010-07-01 | Verigy Pte Ltd Singapore | Test arrangement, pogo-pin and method for testing a device under test |
| CN104199500A (en) * | 2014-07-31 | 2014-12-10 | 青岛歌尔声学科技有限公司 | High voltage generating circuit and method, power source control circuit and electronic system |
| CN104734554A (en) * | 2015-01-19 | 2015-06-24 | 张湘杰 | Power source supercharger and power supply device |
| CN105763173A (en) * | 2016-02-18 | 2016-07-13 | 广东宝莱特医用科技股份有限公司 | Electrical pulse generating apparatus |
Also Published As
| Publication number | Publication date |
|---|---|
| CN110166027B (en) | 2023-07-04 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN104410252B (en) | Source electrode drive circuit and its control method | |
| CN103052227B (en) | Led driving system | |
| CN204046407U (en) | A kind of many level IGBT drive circuit | |
| CN106550512A (en) | A kind of resonant type soft-switch single stage type LED drive circuit | |
| CN104009633A (en) | Current continuous type high-gain DC-DC converter circuit | |
| CN102256425B (en) | Self-adaptive dead-zone time control circuit in half-bridge driver chip of electronic ballast | |
| CN204498094U (en) | The modulating pulse drive circuit of Connectors for Active Phased Array Radar T/R assembly | |
| CN104362846B (en) | A kind of controllable multi-channel output DC-DC inverter of electrifying timing sequence | |
| CN106026728A (en) | Photovoltaic micro inverter | |
| CN106804072B (en) | A kind of LED constant current drive system and its constant-current control circuit | |
| CN203587996U (en) | Multipath combined power output sequential control device | |
| CN207968328U (en) | A kind of booster type synchronization DC-DC circuit | |
| CN207368879U (en) | A kind of quasi- boost switching DC/DC converters of the high-gain of low voltage stress | |
| CN104300780B (en) | Large power non-isolation DC/DC soft switching circuit | |
| CN110166027A (en) | High-voltage pulse signal generation device and method | |
| CN110417243A (en) | A kind of high-voltage MOSFET driving circuit | |
| CN105759893A (en) | Photovoltaic optimization module based on DPP structure and control method thereof | |
| CN105871202B (en) | A kind of single tube buck-boost soft switch device | |
| CN115694231A (en) | Switch capacitor common ground type nine-level inverter | |
| CN201490888U (en) | Multiple DC power supply | |
| CN101001049A (en) | AC regulating voltage transmitter | |
| CN108011601A (en) | A kind of E power-like amplifiers for the transmission of magnet coupled resonant type wireless electric energy | |
| CN107332455A (en) | A kind of single-phase Z sources high frequency chain matrix inverter topology and SPWM modulator approaches | |
| CN207835344U (en) | Full-bridge control circuit and full-bridge converter | |
| CN202907268U (en) | LED driving 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 |