427results about "Pulse generation by energy-accumulating element" patented technology

The invention provides a double-pulse high-frequency switching power supply control method and system for precise electroplating, and relates to the field of electroplating, and the method comprises the steps: collecting area surface data through a three-dimensional scanner, and obtaining a three-dimensional model; extracting a high-curvature area grid according to the three-dimensional model, and calculating to obtain a surface concave-convex degree index; performing current field simulation, and calculating current density vector distribution; when the deviation of the current density vector distribution exceeds a preset deviation threshold value, pulse parameters are optimized through a genetic algorithm; selecting a pulse parameter which is most matched with the surface concave-convex degree index, and carrying out iterative calculation to obtain updated current density vector distribution; based on the difference between the updated current density vector distribution and the initial distribution, predicting a coating thickness value, and determining a preliminary evaluation index; and optimizing pulse parameters to obtain a final control scheme of uniform current distribution. According to the method, pulse parameters can be dynamically optimized according to the geometrical shape of the workpiece, and uniform current distribution and stable plating quality are realized.

The invention discloses a pulse stable output control method and system for an ns-level high repetition frequency fast pulse power supply, and relates to the technical field of automatic control, the system is composed of a plurality of functional modules, and the system comprises a self-adaptive absorption module, a control module and an output control module, and the self-adaptive absorption module obtains power supply parameters through real-time sampling, and the power supply parameters comprise load impedance and switch tube parasitic parameters; dynamically optimizing R and C parameters of the RCD absorption circuit and the active clamping circuit based on power supply parameters; the feed-forward prediction module is used for extracting derivative state information according to the power supply parameters, acquiring load current feed-forward and resonant circuit states based on the derivative state information, modeling based on the load current feed-forward and resonant circuit states, and predicting the drain-source voltage valley bottom moment of the switch tube; and the multi-section variable impedance transmission module adopts a three-section variable impedance structure, performs broadband impedance matching based on R and C parameters of the optimized RCD absorption circuit and the active clamping circuit, inhibits pulse leading edge reflection distortion, and outputs undistorted pulse signals.

The present invention discloses a pulse generator and a pulse rod, which relate to the field of pulse circuit technology. The pulse generator includes a frequency control unit, a dual closed-loop pulse amplification unit, a digital signal processing unit and an adaptive power management unit. The frequency control unit includes an environmental sensor and a microcontroller. The microcontroller can calculate a preset pulse frequency based on information transmitted by the environmental sensor. The input end of the dual closed-loop pulse amplification unit can receive a pulse signal transmitted by the microcontroller, amplify it to a preset pulse frequency, and provide a pulse current to an electrostatic elimination needle. The digital signal processing unit can digitize the pulse signal to enhance the anti-interference ability of the pulse signal. The adaptive power management unit includes a dynamic voltage regulation module electrically connected to an external power supply, and the dynamic voltage regulation module can dynamically adjust the output voltage. The technical solution provided by the present invention can provide a pulse generator with high stability, a wide adjustment range and strong anti-interference ability.

Embodiments of the invention includes various power supplies for plasma systems. These power supplies, for example, closes a switch to connect and disconnect a current pathway to cause an application of an asymmetric periodic voltage waveform. Where each cycle of the asymmetric periodic voltage waveform includes a first portion that begins with a first negative voltage and changes to a positive peak voltage, a second portion that changes from the positive peak voltage to a third voltage level and a fourth portion that includes a negative voltage ramp from the third voltage level to a fourth voltage level.

Offline prior to operation, an optimised control sequence is derived for a pulse system comprising a reactive circuit for generating electromagnetic pulses, such as a transcranial magnetic stimulation circuit, and cascaded switching modules for switchably connecting capacitive discharge elements to provide a multi-level output voltage for the reactive circuit. A discrete-time model predicts an electrical state of the pulse system. A target profile for an electromagnetic pulse is received. For respective time-steps of the control sequence taken in succession, an optimal path of switching states over a window of time-steps starting with the respective time-step is derived, optimising a cost function having a deviation cost contribution representing deviation of an electrical state of the pulse system predicted by the discrete-time model from the target profile over the window. The switching state of the determined path at the respective time-step is selected for the control sequence.

The invention discloses an energy consumption type pulse special power supply topology circuit, particularly relates to the technical field of power supply circuits, and is technically characterized in that a forward energy storage unit is used for outputting forward current to an external load coil and providing energy required by main compression for a field inversion configuration device; the negative energy storage unit is used for outputting negative current to an external load coil and providing bias field energy for the field inversion configuration device; the charging unit is also used for charging the current source unit; the current source unit is used for providing bias current for an external load coil and creating a bias condition for the field inversion configuration device; the resonance unit is used for outputting resonance current to an external load coil and providing energy required by pre-ionization for the field inversion configuration device; the first consumption unit is used for consuming residual electric energy after the external load coil and the current source unit work; the first control unit is used for controlling short circuit of the first consumption unit; the second control unit is used for controlling the on-off of the resonance unit; and the third control unit is used for controlling the on-off of the negative energy storage unit.

The invention relates to the technical field of magnetic shielding spaces, and discloses a wide-range pulse forming circuit and device for a magnetic shielding space, and charging units in a positive pulse forming circuit and a negative pulse forming circuit are used for boosting and charging an energy storage element of a stacked boosting unit in a continuous oscillation mode; the stacked boosting unit is composed of multiple stages of Marx circuit modules and used for achieving parallel charging and series discharging of an energy storage element through switch time sequence control and outputting bipolar rectangular pulses with independently adjustable amplitude and pulse width. The noise reduction and direct current blocking module is used for noise reduction and direct current blocking processing; the magnetic shielding device is used for demagnetizing the magnetic shielding space. By arranging the positive pulse forming circuit and the negative pulse forming circuit which are the same in structure and are independent, and combining the multi-stage Marx circuit module of the stacked boosting unit and the switch time sequence control, the amplitude and the pulse width of the bipolar rectangular pulse are independently adjustable, so that the problem of diversified demagnetization requirements of the magnetic shielding device can be adapted, and the demagnetization efficiency of the magnetic shielding device is improved. And the application range of the circuit is widened.

An integrated triggering system for a pulsed-power driver is presented. The triggering system includes a pulse distribution circuit that couples externally generated trigger pulses to midplanes of a limited number of stages of the pulsed-power driver. The pulse distribution circuit includes common midplane nodes, each coupled to a group of midplanes of a same stage via respective isolating inductors. Isolating elements are coupled between the common midplane nodes of a same stage. The triggering system further includes a protection circuit configured to reduce coupling of high voltages triggered at the midplanes to external circuits while allowing the trigger pulses to couple to the midplanes. The protection circuit includes a high pass filter comprising a capacitor. The triggering system further includes a midplane biasing circuit configured to provide a reference ground to the midplanes of all stages. The midplane biasing circuit includes a resistive ladder with nodes coupled to the midplanes.

The invention discloses an energy feedback type pulse special power supply topology circuit, particularly relates to the technical field of power supply circuits, and is technically characterized in that a forward energy storage unit is used for outputting forward current to an external load coil and providing energy required by main compression for a field inversion configuration device; the current source unit is used for receiving and storing electric energy, providing bias current for an external load coil and creating bias conditions for the field inversion configuration device; the negative energy storage unit is used for outputting negative current to an external load coil and providing bias field energy for the field inversion configuration device; the charging unit is also used for charging the current source unit; the resonance unit is used for outputting resonance current to an external load coil and providing energy required by pre-ionization for the field inversion configuration device; the first bidirectional combination switch is used for controlling the on-off of the resonance unit; and the second bidirectional combination switch and the third bidirectional combination switch are used for controlling the positive on-off and negative on-off of the circuit.

The invention discloses a plane type electric pulse triggered vacuum surface flashover switch and a use method thereof. The switch comprises an insulating substrate, an electrode assembly, a grading ring assembly and an external trigger unit. The insulating substrate is fixedly arranged in the vacuum cavity; the electrode assembly comprises an anode, a trigger electrode and a cathode which are sequentially embedded in the top of the insulating substrate from outside to inside; the grading ring assembly is located in the main gap between the anode and the trigger electrode and comprises a plurality of grading rings which are sequentially arranged in a sleeved mode, sub-gaps between the adjacent grading rings are equal, the number of the sub-gaps of the main gap and electric field distribution are changed by arranging the multiple grading rings, the field distortion coefficient of the main gap is reduced, the electric field distribution is more uniform, and the stability of the device is improved. The breakdown collaboration and time sequence consistency of the sub-gaps are ensured, and the response speed of the switch is in a ten-nanosecond order. The switch provided by the invention adopts a sheet structure, is suitable for occasions with limited height and size, and has the advantages of high conduction speed, high voltage withstanding level, short triggering time delay, recoverable self-striking and the like.

Some embodiments include a plasma sheath control system that includes an RF power supply producing an A sinusoidal waveform with a frequency greater than 20 kHz and a peak voltage greater than 1 kV and a plasma chamber electrically coupled with the RF power supply, the plasma chamber having a plurality of ions that are accelerated into a surface disposed with energies greater than about 1 kV, and the plasma chamber produces a plasma sheath within the plasma chamber from the sinusoidal waveform. The plasma sheath control system includes a blocking diode electrically connected between the RF power supply and the plasma chamber and a capacitive discharge circuit electrically coupled with the RF power supply, the plasma chamber, and the blocking diode; the capacitive discharge circuit discharges capacitive charges within the plasma chamber with a peak voltage greater than 1 kV and a discharge time that less than 250 nanoseconds.

A bidirectional colorful light triggered by power-line pulse signals connected in series and parallel includes a bidirectional luminous light string triggered by power-line pulse signals, a first controllable switch, a second controllable switch, a third controllable switch, and a fourth controllable switch. The bidirectional luminous light string triggered by power-line pulse signals comprises a plurality of bidirectional light sources, which comprises a light module triggered by power-line pulse signals and a reverse light module. The light module triggered by power-line pulse signals comprises an LED colorful light group and an LED driver that drives the LED colorful light group based on power-line pulse signals loaded on power lines of the bidirectional luminous light string triggered by power-line pulse signals. This invention achieves a bidirectional colorful light driven by power-line pulse signals through the control of the second and fourth controllable switches, simplifying the control circuit.

The invention provides a high-voltage pulse generator based on a signal trailing suppression design, which is characterized by comprising n stages of Marx booster circuits which have the same structure and are connected in sequence, and n is an integer and is greater than or equal to 2; the ith Marx booster circuit comprises a charging current-limiting resistor Ri, a capacitor Ci, a field effect transistor MOSFETi and an ith discharging circuit, and i = 1,..., n; the ith discharge circuit comprises two parallel discharge circuits; the first discharge circuit in the two parallel discharge circuits comprises a discharge current limiting resistor Ri + n and a field effect transistor MOSFETi + n; the second discharging circuit in the two parallel discharging circuits comprises a discharging current-limiting resistor Ri + 2n and a field effect transistor MOSFET (Metal Oxide Semiconductor Field Effect Transistor) i + 2n; and the discharge current-limiting resistor Ri + n and the discharge current-limiting resistor Ri + 2n have different resistance values. According to the high-voltage pulse generator provided by the invention, rapid discharge can be realized by controlling the on-off of the field effect transistor MOSFET, the falling edge is further shortened, and high-voltage pulses with narrower pulse width are generated while the type selection limitation on resistors and switching devices is reduced.

Disclosed herein is a method of generating a predetermined electromagnetic pulse using a voltage source (32) comprising a chain of N switchable modules (12), the method comprising the steps of: determining a desired voltage pulse waveform which is suitable for generating said predetermined electromagnetic pulse when applied to said load (33); determining an individual start module voltage for each of said N modules, based on said desired voltage pulse waveform; charging an energy storage device (18) of each module (12) such as to acquire the corresponding determined start module voltage, and generating a time-dependent output voltage at the voltage source resembling said desired voltage pulse waveform by selectively switching said switchable modules (12).

The invention discloses a circuit integration device for plasma ignition based on direct current power supply, relates to the field of plasma ignition, and aims to solve the problems that an existing plasma ignition technology cannot be directly compatible with aviation low-voltage direct current and is poor in reliability. A core electronic function module comprises a high-frequency resonance inversion topological unit, an energy driving adjustment topological unit, a full-wave rectification topological unit, a control unit, an arc striking unit and an energy storage unit. The high-frequency resonant inversion topology unit converts input direct current into high-frequency alternating current pulse; the energy driving and adjusting topological unit drives and adjusts the high-frequency resonant inversion topological unit, so that the alternating voltage output by the high-frequency resonant inversion topological unit is increased to 400-430V; the full-wave rectification topological unit converts the alternating current voltage output by the high-frequency resonance inversion topological unit into stable direct current high voltage and supplies power to the control unit, the arc striking unit and the energy storage unit.

The pulse generation circuit includes: a capacitor having one end connected to a power source and the other end connected to a ground potential; one end of the primary side of the transformer is connected with one end of the capacitor, and the secondary side is connected with a load; an inductor having one end connected to the other end of the primary side of the transformer; a switching element connected between the other end of the inductor and a ground potential; the cathode of the diode is connected with the other end of the primary side of the transformer, and the anode is connected with a ground potential; and a control circuit capable of controlling an ON state and an OFF state of the switching element, the control circuit controlling the switching element to be in the ON state, and the control circuit controlling the switching element to be in the OFF state during a period in which the direction of the current flowing on the primary side of the transformer becomes opposite after the current flows on the primary side of the transformer.

Described herein are apparatuses and methods for applying high voltage, sub-microsecond (e.g., nanosecond range) pulsed output to a biological material, e.g., tissues, cells, etc., using a high voltage (e.g., MOSFET) gate driver circuit having a high voltage isolation and a low inductance. In particular, described herein are multi-core pulse transformers comprising independent transformer cores arranged in parallel on opposite sides of a substrate. The transformer cores may have coaxial primary and secondary windings. Also describe are pulse generators including multi-core pulse transformers arranged in parallel (e.g., on opposite sides of a PCB) to reduce MOSFET driver gate inductance.

A plasma deposition system comprising a wafer platform, a second electrode, a first electrode, a first high voltage pulser, and a second high voltage pulser. In some embodiments, the second electrode may be disposed proximate with the wafer platform. In some embodiments, the second electrode can include a disc shape with a central aperture; a central axis, an aperture diameter, and an outer diameter. In some embodiments, the first electrode may be disposed proximate with the wafer platform and within the central aperture of the second electrode. In some embodiments, the first electrode can include a disc shape, a central axis, and an outer diameter. In some embodiments, the first high voltage pulser can be electrically coupled with the first electrode. In some embodiments, the second high voltage pulser can be electrically coupled with the second electrode.

This application discloses a high-efficiency, low-overshoot pulsed laser current source control method and system, relating to semiconductor laser technology. It is applied to a pulsed constant current source comprising a DC-DC buck-boost circuit, a soft-start circuit, a pulse generation circuit, and an FPGA digital control circuit. The DC-DC buck-boost circuit and the FPGA digital control circuit are controlled by the FPGA digital control circuit. The control method includes: the FPGA digital control circuit as the control core, acquiring the current signal from the pulse current output terminal of the pulse generation circuit as a feedback signal; adjusting the gate voltage UGS of the power MOSFET Q6 of the pulse generation circuit and the output voltage VOUT of the DC-DC buck-boost circuit according to the feedback signal; the control method includes four stages: a pre-trigger stage, a fast rise stage, an overshoot suppression stage, and a constant output stage. This application achieves the dual goals of microsecond-level current response and high-efficiency, stable operation through dynamic matching.

The utility model discloses a drive circuit with fast rise time, which relates to the field of repetition frequency high-voltage pulse power supplies, and comprises a control signal unit used for transmitting a signal to a primary side of an isolation transformer, and the isolation transformer carries out electricity-magnetism-electricity conversion on a control signal and outputs the control signal to a drive unit; the beneficial effects of the utility model are that the energy storage capacitors C3 and C4 are arranged, so that an energy release path is shortened, and a faster opening signal rising edge can be generated; the triode Q1 is arranged to delay conduction, so that the leakage inductance limitation of the isolation transformer can be relieved, and the conduction or turn-off speed of the switch is improved; a resistance adjusting method is adopted, and the resistance value of R2 in the driving circuit is changed, so that the dead zone time is controllably adjusted; when the discharge switch tube Sdi is switched off, even if interference pulses exist, the MOS tube M2 can firmly clamp the grid electrode of the discharge switch tube Sdi at-10V, and the anti-electromagnetic interference performance of the drive circuit is improved.

The present invention proposes a multi-input pulse modulator circuit, which includes: an internal power supply circuit, which constitutes a linear voltage regulator circuit as a whole and provides voltage for chip operation; a signal selection circuit, which is electrically connected to the internal power supply circuit; a monostable circuit, which is electrically connected to the signal selection circuit and can adjust the output pulse width of the monostable trigger chip and the delayed output time when the signal is turned off; a pulse amplification circuit, which is electrically connected to the internal power supply circuit and the pulse amplification circuit is electrically connected to the signal selection circuit. In order to improve the amplitude and driving capability of the pulse output signal, the output signal with a fixed pulse width can be amplified, and functions such as the pulse voltage width following the input signal and the pulse voltage width being fixed can be realized.

An implantable pulse generator (1) comprises a pulse generation device (12) configured to generate an output pulse, the pulse generation device (12) comprising a control unit (120), a shock generation circuitry (121) and an output circuitry (122). The shock generation circuitry (121) comprises at least one first energy storage device (C1-C4), at least one second energy storage device (C5) and a first switching device (S5). The first switching device (S5) is electrically connected, at a first circuit node (Al), to the at least one first energy storage device (C1-C4) and is configured to connect, in a closed state, the at least one first energy storage device (C1-C4) with the at least one second energy storage device (C5) and to disconnect, in an open state, the at least one first energy storage device (C1-C4) from the at least one second energy storage device (C5). The shock generation circuitry (121) comprises a first connection line (LI) connecting said first circuit node (Al) to the output circuitry (122) and a second connection line (L2) connecting the at least one second energy storage device (C5) to the output circuitry (122). The shock generation circuitry (121) is configured to generate an output pulse by supplying energy to the output circuitry (122), in the open state of the first switching device (S5), from the at least one first energy storage device (C1-C4) via the first connection line (L1) and, in the closed state of the first switching device (S5), from the at least one first energy storage device (C1-C4) and the at least one second energy storage device (C5) via the second connection line (L2).

This invention belongs to the field of analog integrated circuit technology, specifically relating to a frequency adaptive circuit for downhole detection. This invention utilizes a closed-loop adaptive feedback mechanism, employing multiple excitation frequencies generated by a frequency generator to continuously match and adapt to the transducer's resonant frequency. When a set of excitation frequencies achieves the highest matching degree with the resonant frequency, the echo energy reaches its peak. The frequency generator is adaptively adjusted based on the excitation frequency corresponding to the maximum peak signal obtained during the detection phase, and this optimal excitation frequency is used to generate the excitation signal in subsequent operations, thus completing the adaptation between the excitation frequency and the resonant frequency. This invention effectively avoids the influence of downhole temperature and pressure changes on the transducer's resonant frequency, and combines high automation, good real-time performance, and high imaging quality.

The invention discloses a bipolar microsecond pulse DBD driving source for realizing editable parameters. The bipolar microsecond pulse DBD driving source comprises a positive and negative polarity input circuit and a pulse energy storage cascade transformer unit, each input circuit is provided with a direct-current power given unit and a power change-over switch unit; the direct-current power given unit provides positive and negative polarity direct-current voltage; dC voltage is respectively connected to a positive polarity input switch tube Q1 and a negative polarity input switch tube Q2 of the power change-over switch unit; the pulse energy storage cascade transformer unit is a transformer provided with a positive polarity input primary side, a positive polarity input secondary side, a negative polarity input primary side and a negative polarity input secondary side; the output voltage of the Q1 is connected to a positive polarity input primary side, and the Q2 is connected to a negative polarity input primary side; and the positive polarity input secondary side and the negative polarity input secondary side are connected to a plasma load. According to the invention, a pulse power supply parameter editable function can be realized, and the discharge power is enhanced and the discharge effect is improved by using the characteristic of plasma load discharge.

The application discloses a circuit for generating power supply from a chip communication terminal, which comprises a plurality of electronic elements and an energy storage capacitor CAP. One end of the energy storage capacitor CAP is connected to a chip power terminal VCC, and the other end is grounded. The electronic elements comprise a diode D1, a PMOS transistor M1, a PMOS transistor M2, a voltage comparator C1 and a two-input AND gate A1. The anode of the diode D1, the drain of the PMOS transistor M1, the drain of the PMOS transistor M2 and the negative input end of the voltage comparator C1 are connected to the chip communication terminal DATA. The cathode of the diode D1, the source of the PMOS transistor M1 and its substrate, the source of the PMOS transistor M2 and its substrate and the positive input end of the voltage comparator C1 are connected to the chip power terminal VCC. The gate of the PMOS transistor M1 and one input end of the two-input AND gate A1 are connected to the output end of the voltage comparator C1, and the other input end of the two-input AND gate A1 is an enhanced drive enable signal terminal OD. The output end of the two-input AND gate A1 is connected to the gate of the PMOS transistor M2. The circuit has the advantages that the power supply pin, the chip terminal and the power supply circuit are reduced, and the chip area and cost are greatly saved.

A high power (HP) generator (10) and method for delivering pulsed high power having high voltage and / or current values ​​to a capacitive load, in particular a plasma process, comprising: several low power (LP) generators (14, 16, 18), Each LP generator (14, 16, 18) comprises an energy storage component (C1, L1), and in use, the energy storage component (C1, L1) is charged to a predetermined value associated with the energy storage component; several low power (LP) generators (14, 16, 18), each LP generator (14, 16, 18) providing, in use, at its output an LP generator value corresponding to the value of an energy storage component (C1, C2, Cn, L1, L2, Ln) incorporated in the respective LP generator (14, 16, 18); a combiner (20), in which the LP generators (14, 16, 18) are electrically connected so that a combiner value at an output of the combiner (20) can be obtained which corresponds to an output value of the HP generator (10), the combiner value being higher, in use, than the LP generator value at the output of one of the LP generators (14, 16, 18), at least in some states of the HP generator (10); a control unit (22) configured to select the contribution of the LP generators (14, 16, 18) to the output value of the HP generator (10) during the output delivery of the HP generator (10) in order to cause a rise and / or a decay of the pulses at the output of the combiner (20), A high power (HP) generator (10) and method, wherein charging energy for the LP generators (14, 16, 18) is provided via a transformer (T1, T2...Tn) comprising a main winding (P1, P2...Pn) and a secondary winding (SW1, SW2...SWn) for each LP generator (14, 16, 18).

A synergy pulse generating circuit, a generating device, and a generating method are provided. [Solution] The synergy pulse generating circuit includes a first power source, a first pulse generating module electrically connected to the first power source, a second power source, and a second pulse generating module electrically connected to the second power source. The first pulse generating module includes n stages of first pulse generating units that receive and store power supplied from the first power source. The x number of first pulse generating units that receive a first control signal discharge to form a first pulse that is applied to a load. The second pulse generating module includes m stages of second pulse generating units that receive and store power supplied from the second power source. The y number of second pulse generating units that receive a second control signal discharge to form a second pulse that is applied to a load. By selectively forming first pulses and / or second pulses with different widths and selecting the voltages of the first pulses and second pulses, the purpose of applying a composite pulse to a load can be achieved.

To provide a technique for controlling energy of ions colliding with a substrate by a voltage pulse applied to a bias electrode.SOLUTION: The disclosed plasma processing apparatus includes a chamber, a substrate support, a plasma generator, and a bias power supply. The substrate support includes a bias electrode and is provided in the chamber. The plasma generating unit is configured to generate plasma from a gas in the chamber. The biasing power supply is electrically connected to the biasing electrode and configured to generate a sequence of a plurality of voltage pulses. Each of the plurality of voltage pulses has a leading edge period transitioning from a reference voltage level to a pulse voltage level and a trailing edge period transitioning from the pulse voltage level to the reference voltage level. At least one of the time length of the leading edge period and the time length of the trailing edge period is longer than 0 seconds and equal to or shorter than 0.5 μ seconds.SELECTED DRAWING: Figure 1

The utility model relates to an energy storage pulse power supply, in particular to an energy storage pulse power supply capable of fast switching, which comprises a power supply cabinet and single power supply mechanisms sequentially stacked in a cavity of the power supply cabinet from top to bottom, and a fast switching structure is arranged in the cavity at the bottom of the power supply cabinet. According to the utility model, the rapid switching structure is connected in parallel in the power supply grid, so that the rapid switching structure can respond rapidly when the grid is powered off, the use effect of continuous power supply is realized through the stacked single power supply mechanisms in the power supply cabinet, the power failure time is reduced, the response speed is improved, and the power supply of the single power supply mechanisms can be cut off when the power supply of the grid is recovered. And the fourth cable is arranged between the input mechanism and the output mechanism in a sliding adjustment mode, the closing state between the input mechanism and the output mechanism can be controlled, when the input mechanism and the output mechanism are disconnected, the disconnection mechanism and the output mechanism are conducted at the moment, and the power supply use effect is achieved.

Some embodiments include a nanosecond pulse generator circuit. In some embodiments, the nanosecond pulse generator circuit may include: a high-voltage power supply; a nanosecond pulse generator electrically coupled to the high-voltage power supply and switching a voltage from the high-voltage power supply at a high frequency; a transformer having a primary side and a secondary side, the nanosecond pulse generator electrically coupled to the primary side of the transformer; and an energy recovery circuit electrically coupled to the secondary side of the transformer. In some embodiments, the energy recovery circuit includes: an inductor electrically coupled to the high-voltage power supply; a crowbar diode arranged in parallel with the secondary side of the transformer; and a second diode disposed in series with the inductor and arranged to conduct current from a load to the high-voltage power supply.