CN108390238A - Terahertz driving device - Google Patents
Terahertz driving device Download PDFInfo
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- CN108390238A CN108390238A CN201810083385.0A CN201810083385A CN108390238A CN 108390238 A CN108390238 A CN 108390238A CN 201810083385 A CN201810083385 A CN 201810083385A CN 108390238 A CN108390238 A CN 108390238A
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- 230000007274 generation of a signal involved in cell-cell signaling Effects 0.000 claims abstract description 33
- 238000006243 chemical reaction Methods 0.000 claims abstract description 20
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- 230000005611 electricity Effects 0.000 claims description 15
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- 238000005516 engineering process Methods 0.000 description 3
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- 239000004065 semiconductor Substances 0.000 description 3
- 238000005086 pumping Methods 0.000 description 2
- 239000006096 absorbing agent Substances 0.000 description 1
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- 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
- H04B10/90—Non-optical transmission systems, e.g. transmission systems employing non-photonic corpuscular radiation
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01S—DEVICES USING THE PROCESS OF LIGHT AMPLIFICATION BY STIMULATED EMISSION OF RADIATION [LASER] TO AMPLIFY OR GENERATE LIGHT; DEVICES USING STIMULATED EMISSION OF ELECTROMAGNETIC RADIATION IN WAVE RANGES OTHER THAN OPTICAL
- H01S1/00—Masers, i.e. devices using stimulated emission of electromagnetic radiation in the microwave range
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Abstract
The present invention relates to a kind of Terahertz driving devices, for driving terahertz transmitter to generate terahertz signal.Device includes：Signal generating module, for generating sine wave signal；Signal conversion module, for sine wave signal to be converted signal in order to control；Correction module is used for correcting controlling signal；Drive signal generation module receives the control signal by correction module, and generates drive signal according to control signal, and drive signal drives terahertz transmitter to generate terahertz signal.Terahertz driving device is also provided with correction module.Correction module correcting controlling signal so that control signal meets preset standard.Therefore, drive signal generation module also complies with preset standard according to the drive signal that the control signal for meeting preset standard generates, so as to drive terahertz transmitter generation to meet the terahertz signal of prospective quality, i.e., so that the quality for the terahertz signal that terahertz transmitter generates is preferable.
Description
Technical field
The present invention relates to electromagnetic wave technology field, more particularly to a kind of Terahertz driving device.
Background technology
Terahertz (THz) wave refers to electromagnetic wave of the frequency between 0.1~10THz, with wavelength is short, not will produce ionization
Radiation, comprising abundant spectral information the features such as, therefore can be widely used to differentiate material classification and ingredient, so that terahertz
Hereby technology has great application prospect in fields such as medical treatment, food, safety monitoring, military affairs.
Traditional Terahertz generating means includes terahertz light conductivity type transmitter, by applying bias voltage and pumping
It can be to external radiation THz wave under the action of laser.But the noise of THz wave that traditional Terahertz generating means is emitted
Bigger, i.e. the poor quality of THz wave can influence application of the THz wave in related field.
Invention content
Based on this, it is necessary to be asked for the second-rate of THz wave that traditional Terahertz generating means is reflected
Topic, provides a kind of Terahertz driving device.
A kind of Terahertz driving device, for driving terahertz transmitter to generate terahertz signal.Described device includes：
Signal generating module, for generating sine wave signal；
Signal conversion module, for the sine wave signal to be converted signal in order to control；
Correction module, for correcting the control signal, so that the control signal meets preset standard；
Drive signal generation module receives the control signal by the correction module, and is given birth to according to the control signal
At drive signal, the drive signal drives the terahertz transmitter to generate terahertz signal.
Above-mentioned Terahertz driving device, signal conversion module generate control signal.Drive signal generation module is according to reception
The control signal arrived generates drive signal, to drive terahertz transmitter to generate terahertz signal.Terahertz driving device is also set
Correction module is set.Correction module correcting controlling signal so that control signal meets preset standard.Therefore, drive signal generates
Module also complies with preset standard according to the drive signal that the control signal for meeting preset standard generates, so as to drive Terahertz
Transmitter, which generates, meets the terahertz signal of prospective quality, i.e., so that the quality for the terahertz signal that terahertz transmitter generates compared with
It is good.
The signal conversion module includes signal conversion unit and rp unit in one of the embodiments,；The letter
The first signal and the second signal that number converting unit is used to that the sine wave signal to be converted to while be exported；Wherein, described
One signal and the second signal frequency are equal, amplitude is equal, phase is equal；The rp unit is set to the second signal
It being transmitted on the circuit of the drive signal generation module, the rp unit is used to keep the phase of the second signal reversed,
Export third signal；The combinations of states of first signal and the third signal constitutes control signal, the drive signal life
Square-wave signal is generated according to the control signal at module.
The correction module includes the first correction unit and the second correction unit in one of the embodiments, and described the
One correction unit is connected between the output end and circuit ground of first signal, and the first correction unit is described for adjusting
First signal；
The second correction unit is connected between the output end and circuit ground of the third signal, and second correction is single
Member is for adjusting the third signal；Alternatively, the second correction unit is connected to the output end and circuit of the second signal
Between ground, the second correction unit is for adjusting the second signal；The first correction unit and second correction are single
Member cooperation is to ensure that first signal and the third signal amplitude be equal, opposite in phase；Or the first correction unit
With the second correction unit matching to ensure that first signal and the second signal amplitude are equal, phase is identical.
The first correction unit includes the first filter circuit and the first adjustment circuit, institute in one of the embodiments,
The first filter circuit is stated for filtering circuit to the interference signal of first signal, and the first adjustment circuit is for adjusting
The phase of first signal；First filter circuit is connected between the output end and circuit ground of first signal；Institute
It is in parallel with first filter circuit to state the first adjustment circuit；The second correction unit includes that the second filter circuit and second are adjusted
Whole circuit, second filter circuit are described for filtering circuit to the interference signal of the third signal or second signal
Second adjustment circuit is used to adjust the phase of the third signal or second signal；Second filter circuit is connected to described
Between three signals or the output end and circuit ground of second signal；The second adjustment circuit is in parallel with second filter circuit.
The correction module further includes third correction unit in one of the embodiments, and the third correction unit connects
It is connected between the output end of first signal and the output end of the third signal, the third correction unit is for filtering out institute
Interfering with each other between the first signal and the third signal or third correction unit are stated for filtering out first letter
Number interfering with each other between the third signal.
The drive signal generation module includes control unit, high level unit and low electricity in one of the embodiments,
Flat unit；The high level unit, which has, opens and closes two kinds of working conditions, output high electricity when the high level unit is opened
Press signal；The low level cell, which has, opens and closes two kinds of working conditions, and the low level cell exports low electricity when opening
Press signal；Described control unit controls the high level unit and the low level cell according to the control signal and alternately opens
It opens, to export the square-wave signal.
The Terahertz driving device further includes the first protective unit in one of the embodiments, first protection
Unit is connected between the output end and circuit ground of the drive signal generation module, and first protective unit is for protecting institute
State control unit, the high level unit and the low level cell.
The Terahertz driving device further includes high voltage power supply in one of the embodiments, the high voltage power supply and institute
The connection of high level unit is stated, the high voltage power supply is used to control the voltage amplitude of the high voltage signal by the high level unit
Value.
The Terahertz driving device further includes the second protective unit in one of the embodiments, second protection
Unit is connected in the high voltage power supply to the circuit of the high level unit, and second protective unit is for removing the height
The interference of the signal of voltage source output, second protective unit are additionally operable to that the high pressure of the drive signal generation module will be inputted
The voltage control of electricity is within a preset range.
The Terahertz driving device further includes processor and potentiometer, the potentiometer in one of the embodiments,
It is connected between the processor and the signal generating module；The processor adjusts institute by adjusting the value of the potentiometer
State the frequency of the sine wave signal of signal generating module output.
Description of the drawings
Fig. 1 is the schematic diagram of the Terahertz generating means of the present embodiment；
Fig. 2 is the structure diagram of the Terahertz driving device of an embodiment；
Fig. 3 is the structure diagram of the Terahertz driving device of another embodiment；
Fig. 4 is the circuit diagram of the Terahertz driving device of embodiment shown in Fig. 3.
Specific implementation mode
In order to make the foregoing objectives, features and advantages of the present invention clearer and more comprehensible, below in conjunction with the accompanying drawings to the present invention
Specific implementation mode be described in detail.
Fig. 1 is the schematic diagram of the Terahertz generating means of the present embodiment.As shown in Figure 1, Terahertz generating means 100 includes
Radio frequency interface 110 and terahertz transmitter 130.Radio frequency interface 110 is connect with terahertz transmitter 130.In terahertz transmitter
130 when receiving pumping laser, then on the electrode of terahertz transmitter 130 plus drive signal, then terahertz transmitter 130
It can be to external radiation terahertz signal.Drive signal is then transferred to terahertz transmitter 130 by radio frequency interface 110.This implementation
In example, drive signal can be biasing voltage signal.Therefore, the quality of drive signal is the key that terahertz signal quality.
Fig. 2 is the structure diagram of the Terahertz driving device of an embodiment.A kind of Terahertz driving device 200, for driving
Dynamic terahertz transmitter generates terahertz signal.Terahertz driving device 200 includes signal generating module 230, signal modulus of conversion
Block 240, correction module 250 and drive signal generation module 260.
Signal generating module 230 is for generating sine wave signal.Signal conversion module 240 connects with signal generating module 230
It connects, signal conversion module 240 is used to sine wave signal converting signal in order to control.Correction module 250 is used for direct or indirect school
Positive control signal, so that control signal meets preset standard.Drive signal generation module 260 is connect with correction module 250, driving
Signal generation module 260 receives the control signal by correction module 250, and generates drive signal, driving according to control signal
Signal can be used for that terahertz transmitter is driven to generate terahertz signal.
In above-mentioned Terahertz driving device 200, signal conversion module 240 can be used for generating control signal.Drive signal
Generation module 260 can generate drive signal according to received control signal, to drive terahertz transmitter to generate Terahertz
Signal.Meanwhile correction module 250 is also provided in Terahertz driving device 200, i.e., it can be to not being inconsistent using the correction module 250
It closes expected control signal and is corrected operation, so that the control signal after correction meets preset standard.In this manner it is possible to have
Control signal is avoided to effect deviation occur, to avoid drive signal generation module 260 from being generated partially according to the control signal of deviation
The drive signal of difference.Therefore, the drive signal that drive signal generation module 260 is generated according to the control signal for meeting preset standard
Preset standard is also complied with, so as to ensure the terahertz signal for driving terahertz transmitter generation to meet prospective quality, into one
Step promotes the quality of terahertz signal caused by terahertz transmitter.
Fig. 3 is the structure diagram of the Terahertz driving device of another embodiment, and Fig. 4 is the terahertz of embodiment shown in Fig. 3
The hereby circuit diagram of driving device.As shown in Figure 3 and Figure 4, Terahertz driving device 300 includes signal generating module 330, letter
Number conversion module 340, correction module 350 and drive signal generation module 360.TTL circuit cores can be used in signal generating module 330
Piece, to generate the sine wave signal with certain frequency.
In the present embodiment, Terahertz driving device 300 may also include the processor 310 and potentiometer 320 of interconnection；It should
Potentiometer 320 can be digital regulation resistance, and above-mentioned potentiometer 320 also may connect to processor 310 and signal generating module 330
Between；The sine wave signal that processor 310 can be exported by adjusting the value Regulate signal generation module 330 of potentiometer 320
Thus frequency can realize the adjusting of the frequency to controlling signal.For example, the control that signal generating module 330 can be exported
The set of frequency of signal processed can will control signal between 2KHz~20KHz, and in order to promote the signal-to-noise ratio of the control signal
FREQUENCY CONTROL is between 9.13KHz~14.25KHz.
Signal conversion module 340 includes signal conversion unit 341 and rp unit 342.Signal conversion unit 341 is used for will
The first signal 1 and second signal 2 that sine wave signal is converted to while being exported.First signal 1 is equal with 2 frequency of second signal,
Amplitude is equal, phase is equal.Multiple selector may be used in signal conversion unit 341.Multiple selector receives sine wave signal,
And two paths of signals, respectively the first signal 1 and second signal 2, the first signal 1 and second signal 2 are exported according to sine wave signal
Waveform be sine wave.First signal 1 and the frequency of second signal 2 and the frequency of sine wave signal are equal.In actual electricity
Lu Zhong, during transmission, the amplitude and phase of the first signal 1 and second signal 2 may for the first signal 1 and second signal 2
It can be influenced by electronic device, cause the amplitude of the first signal 1 and second signal 2 to have differences, there is also deviations for phase.
Rp unit 342 is set to second signal 2 and is transmitted on the circuit of drive signal generation module 360, reversed unit
Reverse-phase for making second signal 2 generates third signal 2.The waveform of third signal 2 is also sine wave.That is third signal 2
Frequency it is equal with second signal 2, the amplitude of third signal 2 is also equal with second signal 2, the phase of third signal 2 and second
Signal 2 differs 180 °.Therefore, from design theory, the frequency of third signal 2 is equal with the first signal 1.Third signal 2
Amplitude it is also equal with the first signal 1.The phase of third signal 2 differs 180 ° with the first signal 1.Specifically, rp unit 342
It can be arranged on the circuit of second signal 2 to correction module 350, i.e., second signal 2 is first changed into third by rp unit 342
Signal 2, correction module 350 correct the first signal 1 and third signal 2 simultaneously again.
Correction module 350 receives the first signal 1 and third signal 2.Correction module 350 includes the first correction 351 He of unit
Second correction unit 352.
First correction unit 351 is connected between the output end and circuit ground of the first signal 1, and the first correction unit 351 is used
In the first signal 1 of adjustment.Specifically, the first correction unit 351 includes the first filter circuit 351A and the first adjustment circuit 351B.
First filter circuit 351A is for filtering circuit to the interference signal of the first signal 1.The first adjustment circuit 351B is for adjusting
The phase of first signal 1.First filter circuit 351A is connected between the output end and circuit ground of the first signal 1.The first adjustment
Circuit 351B is in parallel with the first filter circuit 351A.First correction unit 351 passes through the first filter circuit 351A and the first adjustment
Circuit 351B eliminate the first signal 1 during transmission by electronic device influenced, to avoid the width of the first signal 1
The distortion of value and phase.I.e. first correction unit 351 can eliminate the common mode interference that the first signal 1 is subject to, the first correction unit
351 may insure that the amplitude of the first signal 1 and phase meet preset standard.Further, the first filter circuit 351A is by capacitance
It is in series with resistance.First filter circuit 351A can also eliminate the overshoot phenomenon of the first signal 1, avoid damage circuit, with
Protection signal conversion module 340 and drive signal generation module 360.The first adjustment circuit 351B is made of capacitance.Each capacitance and
The value of resistance can be arranged according to demand.For example, the value of the resistance of the first filter circuit 351A is 2K Ω.The first adjustment circuit
The value of the capacitance of 351B is 33pF.
Second correction unit 352 is connected between the output end of third signal 2 and circuit ground, and the second correction unit 352 is used
In adjustment third signal 2.Specifically, the second correction unit 352 includes the second filter circuit and second adjustment circuit 352B, and second
Filter circuit is for filtering circuit to the interference signal of third signal 2, and second adjustment circuit 352B is for adjusting third signal 2
Phase；Second filter circuit is connected between the output end of third signal 2 and circuit ground；Second adjustment circuit 352B and second
Filter circuit is in parallel.Second correction unit 352 eliminates third signal 2 by the second filter circuit and second adjustment circuit 352B and exists
During transmission by electronic device influenced, to avoid third signal 2 amplitude and phase distortion.That is the second school
Positive unit 352 can eliminate the common mode interference that third signal 2 is subject to.Therefore, the second correction unit 352 may insure third signal
2 amplitude and phase meets preset standard.Further, the second filtered electrical routing resistance and capacitance are in series.Second filtering
Circuit can also eliminate the overshoot phenomenon of third signal 2, avoid damage circuit, believed with protection signal conversion module 340 and driving
Number generation module 360.Second adjustment circuit 352B is made of capacitance.The value of each capacitance and resistance can be arranged according to demand.The
The value of the resistance of two filter circuits is equal with the value of resistance of the first filter circuit 351A, can be 2K Ω.Second adjustment circuit
The value of the capacitance of 352B is equal with the value of capacitance of the first adjustment circuit 351B, can be 33pF.First filter circuit 351A's
The value of the capacitance of the value of capacitance and the second filter circuit is equal.The first correction unit 351 can be made to the first signal 1 in this way
Correction parameter and the second correction unit 352 are consistent to the correction parameter of third signal 2, so that the first signal 1 after correction
Equal with the amplitude of third signal 2, phase is identical, i.e., so that the first signal 1 is synchronous with third signal 2.
Correction module 350 further includes third correction unit 353, and third correction unit 353 is connected to the output of the first signal 1
Between end and the output end of third signal 2, third correction unit 353 is used to filter out the phase between the first signal 1 and third signal 2
Mutually interference, i.e. third correction unit 353 are used to eliminate the DM EMI between the first signal 1 and third signal 2, to further
So that the amplitude and phase of the first signal 1 meet preset standard, the amplitude and phase of third signal 2 meet preset standard.Into one
Step ground, it includes capacitance that third, which corrects unit 353, i.e. the output end of capacitance connection and the output end and third signal 2 of the first signal 1
Between.From the foregoing, it will be observed that the first correction unit 351, second corrects unit 352 and the third correction cooperation of unit 353 to ensure first
Signal 1 is equal with 2 amplitude of third signal, opposite in phase.
Third signal 2 is equal with the amplitude of the first signal 1 after corrected module 350.The phase and warp of third signal 2
The first signal 1 after overcorrect module 350 differs 180 °.The first signal 1 i.e. after third signal 2 and corrected module 350
Meet preset standard.The combinations of states of the first signal 1 after third signal 2 and corrected module 350 constitutes control signal.Control
There is not deviation in signal processed, relatively more accurate.
In one embodiment, rp unit 342 can also be arranged is transmitted to after 2 corrected module 350 of second signal
On the circuit of drive signal generation module 360, i.e., correction module 350 first corrects the first signal 1 and second signal 2, rp unit
350 corrected second signal 2 of correction module is converted to third signal 2 by 342 again.Second correction unit 352 is connected to second
Between the output end and circuit ground of signal 2, the second correction unit 352 is for adjusting second signal 2.Second filter circuit is for filtering
Except circuit to the interference signal of second signal 2, second adjustment circuit 352B is used to adjust the phase of second signal 2；Second filter
Wave circuit is connected between the output end of second signal 2 and circuit ground.Third correction unit 353 is for filtering out 1 He of the first signal
Interfering with each other between third signal 2.First correction unit 351, second corrects unit 352 and third correction unit 353 coordinates
To ensure that the first signal 1 and 2 amplitude of second signal are equal, phase is identical.
Drive signal generation module 360 generates square-wave signal according to control signal.Square-wave signal is as terahertz transmitter
Driving voltage, i.e. bias voltage.The frequency of square-wave signal is equal with the first signal 1 or the frequency of second signal 2.Drive signal
Generation module 360 includes control unit 361, high level unit 362 and low level cell 363.High level unit 362, which has, to be opened
With two kinds of working conditions of closing.Output HIGH voltage signal when high level unit 362 is opened, high level unit 362 be not defeated when closing
Go out signal.Specifically, high level unit 362 is metal-oxide-semiconductor high side switches, can be high pressure N-channel MOS FET pipes.Low level cell
363 have two kinds of working conditions of opening and closing.Low level cell 363 exports low voltage signal, low level cell 363 when opening
Electric signal is not exported when closing.Specifically, low level cell 363 is metal-oxide-semiconductor lower edge switch, can be high pressure N-channel MOS FET
Pipe.The pressure voltage of above-mentioned N-channel MOS pipe need to be more than 200V.Control unit 361 is according to control signal control high level unit 362
It is alternately opened with low level cell 363, to export square-wave signal.Control unit 361 is made of metal-oxide-semiconductor driving circuit.Control is single
Member 361 receives while receiving the first signal 1 and third signal 2.One output end of control unit 361 connects high level unit
362 input terminal.The input terminal of another output end connection low level cell 363 of control unit 361.
When the first signal 1 is high level, third signal 2 corresponds to first control signal when being low level, can control driving letter
Number generation module 360 generates corresponding signal.For example, control unit 361 controls high level unit 362 according to first control signal
It opens, control low level cell 363 is closed, and control unit 361 controls high level unit 362 and exports high level signal, that is, drives
Signal generation module 360 exports high level (Output is high level).When the first signal 1 is low level, third signal 2 should be
Second control signal is corresponded to when high level, controllable drive signal generation module 360 generates corresponding signal.For example, control
Unit 361 controls high level unit 362 according to second control signal and closes, and control low level cell 363 is opened, at this moment, low electricity
Flat unit 363 exports low level signal, i.e. drive signal generation module 360 exports low level (Output is low level).In this way,
Control signal can control drive signal generation module 360 and generate square-wave signal (Output is square-wave signal).
Terahertz driving device 300 further includes the first protective unit 390, and the first protective unit 390 is connected to drive signal
Between the output end and circuit ground of generation module 360, the first protective unit 3903 is for protecting control unit 361, high level list
Member 362 and low level cell 363.Specifically, the electric routing resistance of the first protective unit 390 and capacitance are composed in series.For example, should
The resistance value of resistance is 15K Ω.The 0.22 μ F of value of the capacitance.First protective unit 390 can be used as an overshoot absorber, to disappear
Upper punching except square-wave signal and undershoot, damage circuit is avoided, to protect control unit 361, high level unit 362 and low electricity
Flat unit 363.
Terahertz driving device 300 further includes high voltage power supply 370, and high voltage power supply 370 is connect with high level unit 362, high
Voltage source 370 is used to control the voltage magnitude of high voltage signal by high level unit 362.High voltage power supply 370 is used for low pressure
Electricity is converted to high voltage direct current.For example, the low tension (Input is low tension) of 5V is converted to the height of 120V by high voltage power supply 370
Straightening galvanic electricity, then the voltage magnitude for the high level signal that high level unit 362 exports is 120V.
Terahertz driving device 300 further includes the second protective unit 380, and the second protective unit 380 is connected to high voltage power supply
370 on the circuit of high level-cell 362, and the second protective unit 380 is used to remove the dry of the signal of the output of high voltage power supply 370
It disturbs.Second protective unit 380 can refer to the dry of the signal of the circuit taking-up output of high voltage power supply 370 of the first protective unit 390
It disturbs.Second protective unit 380 is additionally operable to control the voltage of the high-voltage electricity of input drive signal generation module 360 in preset range
It is interior.Second protective unit 380 can be controlled the voltage of the high-voltage electricity of input high level unit 362 by pressure limiting potentiometer 320
Within a preset range, so that the amplitude of square-wave signal within a preset range, avoids damage circuit.
Terahertz driving device 300 further includes display module, the output end and driving of display module and the second protection module
The output end of signal generation module 360 connects, and display module is used to show the electric signal of the second protection module output, display module
It is additionally operable to the square-wave signal of the output of display drive signals generation module 360, to monitor the work shape of Terahertz driving device 300
State.
Each technical characteristic of embodiment described above can be combined arbitrarily, to keep description succinct, not to above-mentioned reality
It applies all possible combination of each technical characteristic in example to be all described, as long as however, the combination of these technical characteristics is not deposited
In contradiction, it is all considered to be the range of this specification record.
Several embodiments of the invention above described embodiment only expresses, the description thereof is more specific and detailed, but simultaneously
It cannot therefore be construed as limiting the scope of the patent.It should be pointed out that coming for those of ordinary skill in the art
It says, without departing from the inventive concept of the premise, various modifications and improvements can be made, these belong to the protection of the present invention
Range.Therefore, the protection domain of patent of the present invention should be determined by the appended claims.
Claims (10)
1. a kind of Terahertz driving device, which is characterized in that for driving terahertz transmitter to generate terahertz signal；The dress
Set including：
Signal generating module, for generating sine wave signal；
Signal conversion module, for the sine wave signal to be converted signal in order to control；
Correction module, for correcting the control signal；
Drive signal generation module receives the control signal by the correction module, and generates and drive according to the control signal
Dynamic signal, the drive signal drive the terahertz transmitter to generate terahertz signal.
2. the apparatus according to claim 1, which is characterized in that the signal conversion module includes signal conversion unit and anti-
Phase element；The signal conversion unit is used to be converted to the sine wave signal while the first signal exported and second is believed
Number；Wherein, first signal and the second signal frequency are equal, amplitude is equal, phase is equal；
The rp unit is set to the second signal and is transmitted on the circuit of the drive signal generation module, the reverse phase
Unit exports third signal for keeping the phase of the second signal reversed；
The combinations of states of first signal and the third signal constitute control signal, the drive signal generation module according to
The control signal generates square-wave signal.
3. the apparatus of claim 2, which is characterized in that the correction module includes the first correction unit and the second school
Positive unit, the first correction unit are connected between the output end and circuit ground of first signal, and first correction is single
Member is for adjusting first signal；
The second correction unit is connected between the output end and circuit ground of the third signal, and the second correction unit is used
In the adjustment third signal；Alternatively, the second correction unit be connected to the second signal output end and circuit ground it
Between, the second correction unit is for adjusting the second signal；
The first correction unit and the second correction unit matching are to ensure first signal and the third signal width
It is worth equal, opposite in phase；Or the first correction unit and the second correction unit matching are to ensure first signal
It is equal with the second signal amplitude, phase is identical.
4. device according to claim 3, which is characterized in that the first correction unit includes the first filter circuit and the
One adjustment circuit, first filter circuit for filtering circuit adjust the interference signal of first signal, described first
Whole circuit is used to adjust the phase of first signal；First filter circuit be connected to first signal output end and
Between circuit ground；The first adjustment circuit is in parallel with first filter circuit；
The second correction unit includes the second filter circuit and second adjustment circuit, and second filter circuit is for filtering out electricity
Road to the interference signal of the third signal or second signal, the second adjustment circuit for adjust the third signal or
The phase of second signal；Second filter circuit with being connected to output end and the circuit of the third signal or second signal it
Between；The second adjustment circuit is in parallel with second filter circuit.
5. device according to claim 3, which is characterized in that the correction module further includes third correction unit, described
Third correction unit is connected between the output end of first signal and the output end of the third signal, the third correction
Unit is used for for filtering out interfering with each other between first signal and the third signal or third correction unit
Filter out interfering with each other between first signal and the third signal.
6. the apparatus of claim 2, which is characterized in that the drive signal generation module includes control unit, height
Level-cell and low level cell；The high level unit, which has, opens and closes two kinds of working conditions, the high level unit
Output HIGH voltage signal when unlatching；The low level cell, which has, opens and closes two kinds of working conditions, the low level cell
Low voltage signal is exported when unlatching；Described control unit controls the high level unit and the low electricity according to the control signal
Flat units alternately is opened, to export the square-wave signal.
7. device according to claim 6, which is characterized in that further include the first protective unit, first protective unit
It is connected between the output end and circuit ground of the drive signal generation module, first protective unit is for protecting the control
Unit, the high level unit and the low level cell processed.
8. device according to claim 6, which is characterized in that further include high voltage power supply, the high voltage power supply and the height
Level-cell connects, and the high voltage power supply is used to control the voltage magnitude of the high voltage signal by the high level unit.
9. device according to claim 8, which is characterized in that further include the second protective unit, second protective unit
It is connected in the high voltage power supply to the circuit of the high level unit, second protective unit is for removing the high-voltage electricity
The interference of the signal of source output, second protective unit are additionally operable to that the high-voltage electricity of the drive signal generation module will be inputted
Voltage controls within a preset range.
10. the apparatus according to claim 1, which is characterized in that further include processor and potentiometer, the potentiometer connection
Between the processor and the signal generating module；The processor adjusts the letter by adjusting the value of the potentiometer
Number occur module output sine wave signal frequency.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810083385.0A CN108390238B (en) | 2018-01-29 | 2018-01-29 | Terahertz driving device |
| PCT/CN2018/081346 WO2019144499A1 (en) | 2018-01-29 | 2018-03-30 | Terahertz driving device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810083385.0A CN108390238B (en) | 2018-01-29 | 2018-01-29 | Terahertz driving device |
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| Publication Number | Publication Date |
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| CN108390238A true CN108390238A (en) | 2018-08-10 |
| CN108390238B CN108390238B (en) | 2019-09-17 |
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| CN201810083385.0A Active CN108390238B (en) | 2018-01-29 | 2018-01-29 | Terahertz driving device |
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| CN (1) | CN108390238B (en) |
| WO (1) | WO2019144499A1 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2021035614A1 (en) * | 2019-08-29 | 2021-03-04 | 深圳市大疆创新科技有限公司 | Drive circuit, drive circuit board and driver |
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| Publication number | Publication date |
|---|---|
| WO2019144499A1 (en) | 2019-08-01 |
| CN108390238B (en) | 2019-09-17 |
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