High voltage nanosecond pulse generator. nl/cjho/reddit-amd-overclocking.
High voltage nanosecond pulse generator. 8‐ns FWHM, the amplitude into 50 Ω is 400 V.
Plasma Sci. This high-voltage nanosecond pulse generator has a repetition frequency of up to 1 MHz in the burst. This high-voltage nanosecond pulse generator has a repetition frequency of up to A compact high-voltage nanosecond pulse generator, based on a pulse transformer with a closed magnetic core, is presented in this paper. Please also visit our Applications section, which describes pulse generators developed for specific fields of use. Results of powering of "fast" forming lines with liquid dielectric and reflex triodes are given. The 30kv, 1200A Oct 29, 1994 · The square pulses varying from few kilovolts/cm to 100 kilovolts/cm with millisecond to nanosecond pulse widths have been successfully used [2,3,6]. Accordingly, a novel topology based on an avalanche transistor MBC combined with … Apr 18, 2022 · Abstract: In order to further improve the output voltage amplitude and repetitive operation reliability of nanosecond pulse generator (PG) based on avalanche transistor (AT), the method of power synthesis of modularized Marx circuits with transmission line transformer (TLT) is employed in this article. 2021 Jun 1;92(6):064713. }, author={Zichen Deng and Qi Yuan and Saikang Shen and Jiaqi Yan and Yanan Wang and Weidong Ding}, journal={The Review of scientific instruments}, year={2021}, volume={92 3}, pages={ 034715 Aug 1, 2021 · The nanosecond short pulse generator, which operates continuously at MHz repetition rates, plays an important role in high-energy accelerators, pulsed laser modulation, electromagnetic biological effects, and other fields. This nanosecond pulse discharge has better results in ozone generation and no treatment than other non-thermal plasma methods [ 2 ]. , 33 ( 2005 ) , pp. Nanosecond pulse discharge plasma has many prospects in industrial applications, and high-voltage repetitive nanosecond pulse generators with compact design and light weight have High energy efficiency; Output pulse voltage up to tens kV; Nanosecond pulse rise time; High repetition rate; Single-channel and multi-channel models; Application areas: Plasma chemistry and reforming; Burners and plasma-assisted flame; Barrier discharge applications, ozone production, cold plasma source, water and gas cleaning, disinfection High voltage nanosecond pulse generator based on avalanche transistor Marx bank circuit and linear transformer driver Cite as: Rev. Negative spike from 500V to 0 and back to 500V would work. The distributed inductance of the transmission line is utilised as the energy storage unit and cooperated with … The paper exhibits the simulation and experimental results of Pulse sharpening switch along with a 250 kV High Voltage Pulse Transformer for generation of high voltage fast risetime short duration pulse. I am trying to build a PCB based pulse generator that can produce a pulse with a width of about 100 ns and 500V-1000V peak amplitude to a 50 ohm resistive load. In this study, detailed designs of the proposed pulse generator are presented and validated by simulations Jan 15, 2019 · In [8] three configurations of compact high voltage SiC-MOSFET modules are proposed for a high voltage nanosecond pulse generator. The pulse generator consists of a miniaturized pulse transformer, a curled parallel strip pulse forming line (PFL), a spark gap, and a matched load. 5‐ns FWHM. 35 kV and a rise time of 180 ps, while the repetition rate reaches 200 kHz. This high voltage nanosecond pulser has variable pulse widths ranging from 20ns to 20s μ with a variable pulse potential magnitude of up to 1kV. It is comprised with IGBT switched resonant charging circuit; two steps of magnetic pulse compressor and a semiconductor Jun 3, 2022 · Abstract— A small-sized, high-efficiency nanosecond pulse generator with an output energy of ~400 mJ has been developed based on a module of drift step recovery diodes and a module of shock-ionized dynistors. 7 and 2. A cost effective and portable high-repetition high voltage nanosecond rectangular pulse generator is developed in this paper using serial avalanche transistors. 1063/5. 5–1 MV, pulse duration of 40–60 ns, and repetition rates of 300 Hz (in a steady-state mode) and up … Jun 28, 2018 · High-performance trigger generators with high amplitude, great stability, fast rise time and low jitter are essential for large-scaled pulsed-power systems. All aspects of the pulse waveform are programmable, frequency, voltage, delay, and the number of pulses. 7 kV (input voltage is 0. Mar 29, 2016 · This paper combines an unbalanced Blumleintype multilayered microstrip transmission line with solid-state switches to develop a high-voltage nanosecond pulse generator. The generator makes use of a combination of microstrip-line technology and laser-triggered photoconductive semiconductor switches that operate in the linear regime. The generator is stacked by 15 planar-plate Blumlein pulse forming lines (PFL). The pulse waveform can be Jan 1, 2022 · This paper provides a distinctive unipolar/bipolar high voltage pulse power generator (PPG) architecture which produces exponential waveform with a rise time in the range of nanosecond. In view of that and according to the microstrip transmission theory, this study proposes a pulse generator based on the Marx circuit of a field-effect tube. A scalable square high voltage pulse generator, which has the properties of fast rise time, fast fall time, powerful driving capability, and long lifetime, is presented in this paper by utilizing solid state circuitry. Gundersen, “ Design of 60kV Sep 14, 2021 · Abstract The prospect of using high-voltage GaAs drift step-recovery diodes for the formation of subnanosecond pulses is shown. 0042523 Feb 11, 2020 · In some nanosecond pulse sources the high-voltage stress of one or both of these components is divided over many smaller units, such as in the Marx generator, the linear transformer driver (LTD), the Impedance-matched Marx Generator (IMG) or the diode recovery pulse sources (sections 2. This generator can output the nanosecond pulses with full width half maximum of 5. 8‐ns FWHM, the amplitude into 50 Ω is 400 V. Jun 1, 2021 · DOI: 10. Design choices and system dynamics are explained both qualitatively and quantitatively with discussion sections followed by the presentation of closed-form expressions and numerical analysis that provide insight into the system's operation. This nanosecond pulse discharge has better results in ozone generation and no treatment than other non-thermal plasma methods [2]. By establishing the equivalent circuit model of the nanosecond pulse generator, the circuit component parameters of the five-stage Marx loop and the one-stage . 4 days ago · Voltage pulses with high repetition rates and short rise times exhibit promising prospects in applications of electroporation induced by nanosecond pulsed electric fields, owing to their unique intracellular effects. This high voltage nanosecond pulser has variable pulse widths ranging from 20ns to 20μs with a variable pulse potential magnitude of up to 1kV. A Simple MOSFET-Based High-Voltage Nanosecond Pulse Circuit Alton Chaney and Raji Sundararajan Abstract—Using simple but powerful electronics concepts, such as a mass produced Schmitt trigger and integrated MOSFET driver in novel circuit applications, a simple 400-V 75-ns pulse generator (pulser) has been designed, developed, and tested. Uniform and stable discharge plasma requires very short duration pulses with fast rise times. 8 ns. The pulse generator can successfully drive needle-plate discharge plasma in ambient air. Mar 10, 2020 · Abstract A small generator of high-power high voltage nanosecond pulses with a 12 V power source is considered. 852403 View in Scopus Google Scholar Jun 16, 2016 · Request PDF | A Multiparameter Adjustable, Portable High-Voltage Nanosecond Pulse Generator Based on Stacked Blumlein Multilayered PCB Strip Transmission Line | Several series and parallel A computer-controlled adjustable nanosecond pulse generator based on high-voltage MOSFET is designed in this paper, which owns stable performance and miniaturization profile of 32×30×7 cm 3. the Task A pulse generator have been constructed. Index Terms—Adjustable polarity, high impedance, nanosec- Benefit from photoconductive semiconductor switches (PCSS's) fast response, high power, high stability and long lifetime properties, design and operation of high voltage nanosecond power generator based on PCSS for biological and biomedical application is presented. Jun 19, 2005 · nanosecond pulse generator Colleagues, Could anyone suggest a schematics or a reference for a high voltage pulse generator? I need a 500V pulse 10ns long or sorter. It is constructed with all solid-state components. In this paper, a numerical and experimental characterization of a high-voltage, nanosecond-pulse, 10-Ω generator is proposed. The Pulse sharpening switch is a two electrode fast spark gap switch. Feb 1, 2021 · The novelty of this generator consists in using a new designed 2-port coaxial box which introduces, through a transmission line of variable length, a time delay between the positive and the negative polarity of bipolar pulses, or between two positive polarities of paired pulses. 1. > May 29, 2015 · A compact solid-state high-voltage nanosecond pulse generator with output voltage of 300 kV amplitude, 10 ns duration (FWHM), and 3 ns rise-time was designed for a dielectric wall accelerator. A driving strategy has been applied to achieve ultra-fast switching for the adopted MOSFET device. 5–2. Aug 8, 2007 · Studies of short (few ns) pulse cell electroperturbation require high-voltage nanosecond pulses delivered to low-impedance (10 Omega) electroporation cuvette loads. To improve that side, a pulse forming line (PFL) is used to get the final Feb 5, 2007 · Pulses shorter than 50 ns are essential for further study on transient plasma ignition and streamer physics. ULTIMATE FLEXIBILITY. High-voltage silicon rectifier diodes sealed in a semi-translucent glass package and embedded in a coaxial line are used as switch elements. However, relatively little research has been carried out on the positive nanosecond pulse generation with high flexibility in a wide range of output voltage amplitude. 73 ns, and a Sep 16, 2021 · The Marx circuit can achieve high voltage amplitude output. A nanosecond pulse with extremely high‐ voltage gain is eventually generated, while the number of switches is reduced. The Jan 15, 2019 · A high voltage series-connected silicon carbide (SiC) metal-oxide -semiconductor field effect transistor (MOSFETs) module which can be served as the main switch in a repetitive high-voltage nanosecond pulse generator. 2024. Jan 16, 2020 · With the increasingly extensive and in-depth applications of all solid-state high-voltage nanosecond pulse generators in the defense and industrial fields, the development of traditional pulse generators faces many key issues, such as high-voltage drive isolation, compact design, and reduced weight. The high voltage nanosecond pulser is powered from a 9. ), which produces pulses with peak voltages up to 20 kV, pulse rise times of 5–10 ns, and repetition rates of 1 kHz. For direct current (DC), low-frequency alternative current (AC), or millisecond pulses electrical measurements are easy to perform, but when the pulse duration is on the order of 1 ns or sub-nanosecond, making these measurements becomes challenging []. 6VDC rechargeable battery and measures just 4” x 4” x EHT pulse generators are designed to provide precision control over the output waveform to enable process optimization for research and industrial customers. In this. Cite as: Rev. For a pulse width of 0. Feb 16, 2022 · In order to meet the requirements of high voltage, high power, and compactness for pulse generators used in the field of liquid food sterilization, an all-solid-state Marx generator based on a novel magnetic isolated drive is proposed. In this article, a novel Drift step recovery diodes (DSRDs) have a special place in high-power short-pulse generation. Jul 31, 2020 · Through theoretical analysis and prototype test, the generator can generate voltage amplitude ±5 kV under 2-kΩ noninductive resistance load, pulsewidth 10-30 ns continuously adjustable, and the delay time of positive and negative nanosecond pulses is 100-400 ns. The pulse generator can create 20 ns FWHM, 60 kV amplitude pulses into 300-ohm load. The maximum pulse repetition rate is 15 kHz. Based on the frozen wave concept, the generator includes two optoelectronic photoconductive switches placed in a compact three ports coaxial structure. In order to further improve the output voltage amplitude and repetitive operation reliability of nanosecond pulse generator (PG) based on avalanche transistor (AT), the method of power synthesis of modularized Marx circuits with transmission line transformer (TLT) is employed in this article. Sep 29, 1994 · Power MOSFETs in series are used for generating high voltage, >1 kV, pulses with nanosecond rise and fall times. 33 Aug 6, 2021 · A compact high-voltage nanosecond generator is described with pulse repetition rate of up to 1000 pps. Kuthi, F. 6 kV, a rise time of 7. 43 ns, a full width at half maximum of 0. The possibility of switching current pulses with an amplitude of 800 А to a load of 30 Ω a rise time of 4 ns, and a Jun 1, 2021 · Schematic diagram of the DOS-based high voltage repetitive nanosecond pulse generator. This paper presents a high voltage series-connected silicon carbide (SiC) metal-oxide -semiconductor field effect transistor (MOSFETs) module A compact high-voltage nanosecond generator is described with pulse repetition rate of up to 1000 pps. The design procedures for series operation and driving power MOSFETs to attain nanosecond switching times are given. As a heart of the generator, a Blumlein pulse EHT Pulse Generators offer precision control of fast-rise-time, high-voltage pulses for research and industrial applications. }, author={Zichen Deng and Zhenjie Ding and Qi Yuan and Weidong Ding and Lin-Mao Ren and Yanan Wang}, journal={The Review of scientific Feb 1, 2023 · Avalanche transistor Marx bank circuits (MBCs) are widely used in high voltage repetitive nanosecond pulse generators, but problems exist with respect to increasing the output voltage due to the Aug 26, 2017 · Considering the above requirements, there are several basic concepts that can be used for high-voltage pulse generation. Operation process of the magnetic compression unit. 28 kV and a rise time of 552 ps (from 20% to 90%) on a matched equivalent wastewater load, with an operational frequency of up to 1 MHz. 92, 034716 320 V (V CBO), a high voltage pulse generator is usually constructed. By analyzing the principle of the avalanche diode and doing the research of the related circuit acting on the pulse, this generator can generate a nanosecond high-voltage ultra wide band bipolar pulse, which its peak-to-peak voltage is about 400V and the pulse time width is 2ns. A Marx-type pulse generator was developed based on avalanche transistors. It only needs Apr 1, 1997 · A compact high-voltage nanosecond generator is described with pulse repetition rate of up to 1000 pps. The generator is powered from a storage battery (7 A h, 36 V) and has several voltage build-up stages. In this paper, a circuit based on DSRD series components with a saturable pulse transformer for realizing high-voltage nanosecond output pulse is studied. Sep 13, 2002 · Described in this paper is a multipurpose compact high-voltage high current nanosecond pulse generator on the basis of a magnetic-cumulative generator (MCG). In this paper, a cascade pulse generator based on two-stage DSRDs was presented and tested on a 50 Ω load. The main circuit still uses the classic Marx circuit topology, but only Finally, experimental results validate the functionality of the proposed topology. The generator includes a 30-/spl Omega/ coaxial forming line charged by a built-in Tesla transformer with high coupling coefficient, and a high voltage (N/sub 2/) gas gap switch with gas circulating between the electrodes. These units have an isolated/floating output and can be biased with respect to the load or grounded. Presented in Figure 1 and Figure 2 are schematic diagrams for the power supply and modulator for the Task A pulse generator. Each stage contains a storage capacitor with an operating voltage of 8 kV and an assembly of series-connected shock-ionized dynistors. Sci. 2. 69MHz can accurately measure the output pulse voltage. The key idea is that energy is collected from some primary energy source of low voltage, stored temporarily in a relatively long time and then rapidly released from storage and converted in high-voltage pulses of the desirable pulsed power, as described in the block diagram High voltage nanosecond pulse generator based on avalanche transistor Marx bank circuit and linear transformer driver Cite as: Rev. The system is capable of producing a pulse with an amplitude of 5. This paper presents the design, building and testing of a compact, portable high voltage MOSFET-based nanosecond pulser in our lab. … Jul 17, 2005 · Finally, a design of Marx generator is presented for a non-lethal electric fence having voltage rating of 40 kV, output pulse duration of 15 μs, pulse rate of up to 100 Hz and maximum output transmission line transformers (VITLT) multiplies the pulse voltage. Jan 18, 2018 · A Two-Stage DSRD-Based High-Power Nanosecond Pulse Generator. Sep 6, 2023 · Abstract: High-voltage nanosecond pulse generators based on series-connected silicon carbide (SiC) mosfet s have many prospects in industrial applications. January 2018; IEEE Transactions on Plasma Science PP(99):1-7; reverse biased in a short time and a high voltage pulse at node . The distributed inductance of the transmission line is utilised as the energy storage unit and cooperated with the variable impedance transmission line transformer to generate nanosecond pulses with extremely high-voltage gain. With the increasingly extensive and in-depth applications of all solid-state high-voltage nanosecond pulse generators in the defense and industrial fields, the development of traditional pulse generators faces many key issues, such as high-voltage drive isolation, compact design, and reduced weight. The electrical circuit of a generator is described, which provides (with a total efficiency of at least 25%) the formation of pulses at a load of 50 Ω with an amplitude of up to 550 V, a voltage rise time of 0. The generator contains an inductive energy storage device and a capacitive storage device with an operating Sep 17, 2021 · All-solid-state linear transformer drivers (LTDs) are widely used in high-voltage repetitive nanosecond-pulsed generators, and only a few LTD generators can output bipolar rectangular waves currently. 23, where each * single pulse mode for the external triggering only) NRG1001 provides rectangular high-voltage nanosecond pulses with fixed pulse width and rise/fall times while amplitude and repetition rate can be altered in a wide range. Jul 28, 2020 · The experimental studies of a nanosecond generator of high-voltage pulses based on two artificial DFLs have demonstrated the possibility of obtaining a voltage with an amplitude of 75 kV, a pulse duration of 100 ns, and a rise time of 40 ns with further peaking of the pulse front up to 16 ns at the DFL. The special dumping circuit minimizes the afterpulse ringing Nov 11, 2010 · Devices used for biological experiments on cell cultures can present a low impedance. This pulsar is designed to provide repetitive pulses of 315 ns pulse width, pulse amplitude up to 5 kV, and frequency variation up to 10 kHz. Here, In order to further increase the voltage, a combining topology using the combination of avalanche transistor-based Marx circuit and transmission line transformer (TLT) was adopted to obtain a high-voltage nanosecond pulse with an amplitude of 10kV, a rising time of ~650ps, and a Dec 10, 2022 · The transient pulsed plasma is produced with a high voltage nanosecond pulse generator (Model SSPG-20X, Transient Pulsed System, Inc. Using the generator, it is possible to switch voltage pulses with an amplitude of ~30 kV and a rise time of ~3 ns to a load of 50 Ω. For a 50-/spl Omega/ matched load, the pulser produces extremely well-defined, repetitive high-voltage pulses that are free from overshoot and ringing. 15 kV), and repetition frequency up to MHz with unipolar and bipolar polarity in burst mode. The drive circuit uses the magnetic core to transfer the control signal, which adopts core stacking and inverse paralleled secondary side winding. The output/input voltage gain can reach 24. 10509296 Corpus ID: 269529045; High-Voltage Nanosecond Pulse Generator Using Series-Stacked Enhancement-Mode GaN Transistors @article{Briz2024HighVoltageNP, title={High-Voltage Nanosecond Pulse Generator Using Series-Stacked Enhancement-Mode GaN Transistors}, author={Pablo Briz and H{\'e}ctor Sarnago and Jos{\'e} Miguel Burd{\'i}o and {\'O}scar Luc{\'i}a}, journal High-voltage square-wave nanosecond pulse generator has a broad application prospect in the fields of atmosphericn low-temperature plasma, biomedicine and power equipment detection. Design and operation of a compact full solid-state pulse generator is presented. Generators using diode opening switch (DOS) can generate ultrashort nanosecond pulses with high voltage gain. 6 GW, an output voltage of 0. The generator consists of various components such as a charging circuit, a pulse transformer, and a spark gap switch. 4 1. Here we present two pulse generators for these applications. Instrum. @article{Deng2021HighVN, title={High voltage nanosecond pulse generator based on diode opening switch and magnetic switch. These units are designed to drive a variety of resistive, inductive and capacitive loads including atmospheric plasmas, high power RF tubes, and gridded systems. The results show that with the increase of the charging voltage, the output voltage rise rate increases, up to 4. Aug 8, 2007 · A high-current nanosecond-pulse generator with a pulse power of up to 1. These systems have been used for low-temperature plasma technologies, high-power microwave production a high-voltage pulse transformer on LC-coupled cir-cuits as the easiest to manufacture circuit that provides minimal weight and size characteristics. In this application, nanosecond pulse generator was developed at Kumamoto University, which can generate high voltage of up to 60 kV with rise time and fall time of 2 ns. The isolation effect caused by transmission line delay has been applied to achieve modular stacking. The generator comprises of pulse power source, photoelectric synchronization control apparatus, PCSS based on Blumlein In this letter, we present the experimental setup of a newly designed, high voltage (up to 10 kV), nanosecond duration pulse generator. 1 ns, amplitude of 3. The pulse characteristics vary with the type of application and these are affected by the choice of the switching devices in any topology and other Jun 1, 2015 · Nanosecond pulse generator using fast recovery diodes for cell electromanipulation IEEE Trans. Aug 15, 2005 · High-voltage nanosecond pulse formed with IRD is used for fast triggering of the first FID from high-voltage dc-biased FID stack. Aug 12, 2011 · In this paper athree-stage pulse generator architecture capable of generating high voltage, high current pulses is reported and system issues are presented. The Pulse transformer is employed to charge the Pulse forming line integrated with Pulse sharpening switch. 1 kV and with duration in the nanosecond and subnanosecond ranges. An interesting fact is that the pulse generator can be modularised by the isolation effect caused by the transmission line time delay. The amplitude of the output pulse depends on the dc input voltage. The schematic diagram of high-voltage nanosecond pulse generator based on two-stage coaxial Blumlein forming line is shown in Fig. A Blumlein type architecture was adopted, with some Jun 1, 2015 · Characterization of a 50-Ω exposure setup for high-voltage nanosecond pulsed electric field bioexperiments Nanosecond pulse generator using fast recovery diodes There's more and more requirement for fast rise time pulse generator especially with high repetition frequency and high voltage. Mar 31, 2023 · 2. The power supply contained an explosive-driven high-voltage primary power source and a power-conditioning stage. The objective of the development is a set of pulse generators ~t small volume, low weight, and high efficiency. Jan 21, 2021 · A high-voltage, high repetition rate nanosecond pulse module with adjustable pulse width was designed for the photocathode gating of proximity-focused MCPII. Cathey, and M. The possibility of significantly increasing the Aug 8, 2007 · A high-current nanosecond-pulse generator with a pulse power of up to 1. The generator is able to produce unipolar, bipolar and paired pulses with adjustable inter-pulse delay Mar 1, 2021 · @article{Deng2021HighVN, title={High voltage nanosecond pulse generator based on avalanche transistor Marx bank circuit and linear transformer driver. 5 ns, a pulse width of 46 ns, and a maximum repetition rate of 1 kHz on a 260 Ω resistive load. The generator includes a 30-Ω coaxial forming line charged by a built-in Tesla transformer Jun 1, 2021 · High voltage nanosecond pulse generator based on diode opening switch and magnetic switch Rev Sci Instrum. Total delay time of IRD-FID-based pulse generators is less than 30 ns. First, the principle of a multistage series-parallel Blumlein stripline system is FID GmbH is a world leader in production of high voltage nanosecond and picosecond pulse generators. \({V}_{\mathrm{in}}\) is the input voltage of high-voltage DC power supply; \({R}_{\mathrm{lim}}\) is the charging current limiting resistance; T1–T3 are coaxial cables with lengths of 30 m, 60 m and 30 m respectively. proposed a 1 × 60-stage pulse generator, outputting pulses with a voltage of 2. They have been designed to drive plasma loads for medical devices, basic research, and semiconductor processing. Wang, C. A high-voltage pulse To choose a medium to high-voltage pulse generator: Use the "Pick the Perfect Pulser" parametric search engine, or; Use the selection table below, or; Call us for advice (888-670-8729 or +1-613-686-6675). On the basis of the classic pulse forming Marx circuit, without changing the voltage level of each voltage module, a new switch is added for the isolated inductor energy storage and recovery, so as to realize the output of high-voltage nanosecond pulses. The resulting fast overvoltage pulse is applied to the second FID, etc. Jun 8, 2013 · The presented high-voltage nanosecond pulse generator, having a sufficiently simple design, ensures quite good pulse repetition stability, and, when necessary, allows one to easily tune characteristics of pulses and their repetition rates by changing the geometrical, electrical, and physical-chemical parameters of the setup. For a 50- Jun 26, 2020 · The above high voltage width adjusting pulse generator has been modelled using the Multisim 12. 5 ns, and the pulse FWHM duration (FWHM is the full width at half-maximum) reaches 2–3 ns [2, 3]. Many applications require a high voltage, high current, pulse generator to drive a low impedance load such as a transducer or a laser. Sep 1, 2015 · A nanosecond pulse generator based on Avalanche transistor 900 ps pulse width and an amplitude of 25. 1109/TPS. In this paper, a new type of generator topology based on a half-bridge modular multilevel converter (HB-MMC) is proposed that uses MOSFETs as solid-state switches to produce a unipolar/bipolar high-voltage Mar 18, 2021 · Avalanche transistor Marx bank circuits (MBCs) are widely used in high voltage repetitive nanosecond pulse generators, but problems exist with respect to increasing the output voltage due to the limited pulsed current. March 2021; The Review of scientific instruments 92(3):034715; Mar 13, 2018 · In this paper, a compact solid-state unipolar pulse generator has been constructed for characterization of DBD plasma. 24 The MBCs are mainly used to generate relatively high-voltage (>5 kV) nanosecond pulses. Apr 12, 2011 · Uniform and stable discharge plasma requires very short duration pulses with fast rise times. 0, under different biological load conditions in both nanosecond pulse mode and microsecond pulse mode. The dependence of the output parameters on the charging voltage is discussed. In this paper, a cascaded configuration of two DSRD-based high-power short-pulse generators with gas discharge switches was used. 5–1 MV, pulse duration of 40–60 ns, and repetition rates of 300 Hz (in a steady-state mode) and up … Abstract – A high voltage and nanosecond Blumlein pulse generator has been developed to produce an output pulse whose voltage level is greater than 250 kV and pulse duration 5 ns. At a load of 75 Ω, it provides the generation of pulses with an amplitude of ~17 kV, a front of ~4 ns, and an energy of ~15 mJ. High-voltage nanosecond pulses A pulse generator (pulser) is an integral part of this system. Testing of the power supply and modulator for Task A Pulse Generator, operating either single pulse or 15Hz at a pulse width of l2Sns, pulse voltage of 30kv, and pulse Aug 1, 2013 · A prototype of high-voltage nanosecond pulse generator based on two-stage coaxial Blumlein transmission line was built and the related performance tests were carried out. Dec 1, 2013 · The conclusions are shown as follows: (1) the modulator's highest output voltage across a 100 Ω resistive load in single mode is obtained to be 330 kV with 7 ns pulse duration and 2 ns rise-time Mar 9, 2023 · This article presents a new type of all solid state boost Marx pulse generator. Tao Tang , A. 2V [19] Compact step recovery diode sub nanosecond pulse generator amplitude of this pulse Feb 2, 2023 · A pulse generator is developed, which can eventually output pulses with an amplitude of 106 kV, a rise time of 15. I have a schematic for an old (1977) pulser, but the SCR that's Apr 16, 2015 · A high-power short-pulse generator based on the dual action of two coupled diodes, a high-voltage step recovery diode and a high-current diode, is presented. The rise/fall time of a high-voltage nanosecond pulse affects the application effect of the pulse; therefore, it is of great significance to study the adjustment of the rise/fall time. •Magnetic Compression, takes a low voltage long pulse, and compresses it through a series of LC resonant stages. A prototype was implemented based on Apr 1, 2020 · The system consists of a pulse generator with a high voltage gain and power efficiency, but it outputs exponential pulses. Hence, a novel circuit topology for a self-triggered high-frequency nanosecond pulse generator Apr 26, 2021 · Avalanche transistor (AT)-based repetitive nanosecond pulse generators with high amplitude, fast rise time, narrow pulse width, and low jitter have been widely developed and applied in numerous fields. 0042523 Feb 25, 2024 · DOI: 10. The Jan 19, 2021 · The nanosecond short pulse generator, which operates continuously at MHz repetition rates, plays an important role in high-energy accelerators, pulsed laser modulation, electromagnetic biological Maximum pulse repetition rate depends on many factors, which include pulse amplitude, average output power, type of cooling. 4. The parameters of the Mar 31, 2023 · The design and realization of a nanosecond, high-voltage electric pulse generator for bioelectrical applications is reported in this paper. By carefully designing the serial transistor circuit and PCB, the stray inductance and voltage reflection DSRD is a powerful semiconductor opening switch for nanosecond high voltage pulse generation. 45:1 and bandwidth is 56. Considering the required voltage waveform and the insulation strength of test chamber, the rising edge of the nanosecond pulse designed in this paper is about 10ns, the pulse width is about 100ns. 2005. However, the traditional pulse generators cannot achieve voltage sharing and fast pulse rise speed at the same time, which has become one of the key issues limiting the development of generators in some applications. The three topologies are shown in Fig. With the pulse‐width control set at maximum, the output pulse amplitude is about 500 V and the width is 3. 0055062. However, the inherent semi-controlled nature of diodes presents Sep 25, 2022 · The high-voltage pulse generator is based on an inductive energy storage unit and a semiconductor opening switch, and the latter ensures a high pulse repetition rate. A. high-voltage nanosecond pulses. The generators comprise of three stages of pulse modulation: an LC resonant stage switched by IGBT/MOSFET; a magnetic pulse compression stage; and a diode opening switch Jul 3, 2024 · In the article, a new type boost high-voltage nanosecond pulse generator is proposed. testing of a compact, portable high voltage MOSFET-based nanosecond pulser in our lab. 9). Mar 31, 2024 · In this application, nanosecond pulse generator was developed at Kumamoto University, which can generate high voltage of up to 60 kV with rise time and fall time of 2 ns. High-voltage pulse generators with an amplitude of ~500 V, a voltage rise The circuit topology can be used for high-frequency uniphasic or biphasic nanosecond burst pulse production, creating numerous opportunities for the generator in electroporation applications, tissue ablation, wound healing, and nonthermal plasma generation. The output pulse width is continuously adjustable. in order to obtain the high voltage output, one method was to connect several avalanche transistors in series at each stage of the Marx circuit, and the emitter and A low cost, high-voltage, nanosecond pulse trigger generator has been designed and constructed to trigger a high-power, high-action integral crowbar spark gap plasma closing switch. The We developed a pulse generator that uses high‐voltage step recovery diodes to produce 400‐ to 500‐V pulses with rise and fall times of 0. Hence, a novel circuit topology for a self Mar 1, 2021 · Avalanche transistor Marx bank circuits (MBCs) are widely used in high voltage repetitive nanosecond pulse generators, but problems exist with respect to increasing the output voltage due to the limited pulsed current. This gives a high output power level of 5. Bench top and rack mount pulsers can have several output channels, both synchronous and asynchronous. 1109/APEC48139. 1192 - 1197 , 10. 1 ns, a pulse duration of 8. 7 MW with 1-ns pulsewidth and 450-kHz repetition rate obtained from an May 5, 2022 · In 2021, Wang et al. Based on the NS-140D generator, an SN-170D high-voltage sub-nanosecond pulse generator was developed. 92, 034715 (2021);doi: 10. The prototype has been successfully used to drive uniform plasma in ambient air. This is made possible using a gas discharge tube. I will use the circuit for burst pulse Jun 22, 2021 · The experimental results show that it can generate pulses with a voltage of 30. According to the operating requirements of DSRD, a pump circuit is designed, which consists of a DC input voltage Aug 1, 2024 · A nanosecond pulse generator (NSPG), with a high peak voltage, short-duration pulsewidth, high repetition rate, and fast rise/fall times, has gained traction and is now used in several applications such as plasma, biomedical, and industrial. A repetitive high-voltage nanosecond pulse generator for the application of gas discharge is presented in this paper. A totem-pole topology is designed to supply a powerful driving capability for the … Jun 10, 2019 · A generator of repetitive voltage pulses in the form of a damped sine wave with a period of ~6 ns, an amplitude of the first voltage half-wave of up to ~400 kV, and a pulse repetition frequency of up to 60 Hz is described. Oct 25, 2004 · Using simple but powerful electronics concepts, such as a mass produced Schmitt trigger and integrated MOSFET driver in novel circuit applications, a simple 400-V 75-ns pulse generator (pulser) has been designed, developed, and tested. •Novel diode sharpening of the pulse •57 kV, 20 ns (FWHM) pulse •Used to explore advantages of a shorter pulse length for ignition applications . The modified positive $4\\times11$ -stage Marx circuit introducing base-triggering method is designed Dec 4, 2023 · Abstract— A generator of high-power nanosecond pulses consisting of four stages that are switched on in a relay-race mode is described. 2 kV: 70 ps: 150 ps: 100 kHz Jun 5, 2023 · Due to the lack of a standard nanosecond high-voltage pulse generator for sensor calibration, a high-stability nanosecond high-voltage pulse test system was developed in terms of circuit analysis, structural design, and performance test. The capacitive divider whose divider ratio is 476. 12 In addition, when the pulse rise time is short, a large number of electron avalanches can be gener- ated simultaneously in a large discharge gap, thus forming a large Jan 15, 2019 · Nanosecond pulse discharge plasma has many prospects in industrial applications, and high-voltage repetitive nanosecond pulse generators with compact design and light weight have become one of the key issues limiting its development in some applications. The unbalanced Blumlein-type transmission line reduces current flow through the solid-state switches. 2 ns, and a maximum repetition rate of 12 kHz on a 300 Ω resistive load. Feb 3, 2023 · In the article, a new type boost high‐voltage nanosecond pulse generator is proposed. Jan 1, 2011 · Under the condition that the bias voltage is 28 kV and the laser pulse width is 9. Both analysis and SPICE simulation show about 20-dB peak power increment. This switch is one of the most important components of a 200kA, 10/350μs impulse current generator, which is currently under development for testing lightning protection components. The generator can operate with 50 Ohm and high impedance loads. The high-power pulses generated in the first stage feed the second stage in order to generate shorter pulses with higher peak powers. In the developed high-voltage genera-tors based on an assembly of several series-connected Si DSRDs, when the pulse amplitude exceeds 2 kV, the voltage rise time is at least 1. A standard Mar 1, 2021 · High voltage nanosecond pulse generator based on avalanche transistor Marx bank circuit and linear transformer driver. Pulse forming line is an effective way to realize high-voltage square-wave nanosecond pulse output. A -1500 V pulse generator is designed with a 3 ns falltime and a 15 ns risetime into a 50 Omega load. 1 System Schematic Diagram. doi: 10. The maximum forming line charge voltage is 450 kV, the pulse duration Mar 1, 2021 · sub-nanosecond pulse generator with two-phase immersion cooling technique. The SN-170D generator includes (Fig. Jun 16, 2016 · Several series and parallel Blumlein-type striplines designed on multilayered printed circuit board (PCB) are connected to match different impedance loads with different pulsewidths to develop a high-voltage nanosecond pulse generator for investigating the biological effects of a nanosecond pulsed electric field. Technology Pulse generators are based on our proprietary all-solid-state switches which permit reaching unique parameters triggering high-voltage nanosecond pulse generator similar to an avalanche transistor circuit is proposed in this paper. 0055062 Corpus ID: 235785595; High voltage nanosecond pulse generator based on diode opening switch and magnetic switch. Pulse-forming lines based on gas spark gap are the main means to generate high-voltage nanosecond short pulses; but due to electrode ablation, it is difficult to operate at May 1, 2022 · A novel stereo-symmetrical nanosecond pulsed power generator with high reliability was developed by analyzing and testing the special performances of the combined Marx circuits and numbers of meaningful conclusions on the pulse amplitude, pulse back edge, and output impedance were drawn. At the same time, in order to improve the voltage level of Jul 1, 2024 · This study presents the development of a high-voltage, high-frequency sub-nanosecond pulse generator system for wastewater treatment. PulseGen is a low cost solution to this requirement. 5 ns, the electric pulse width obtained by using high-power pulse system transmission is 10 ns and the output set of high voltage nanosecond pulse generators. 2) the fol-lowing elements that are placed in a Apr 10, 2006 · A conventional pulsed power technology has been combined with an explosive pulsed power technology to produce an autonomous high-voltage power supply. Jul 3, 2024 · The proposed generator combines the inductive energy storage of transmission lines with a variable-impedance transmission line transformer to generate a nanosecond pulse with high-voltage gain. Be-fore going to 30kV in oil or other encapsulant, testing at~ rc~iuced voltage on the power s’~pply and modul~ator breadboards has been initiated. High-voltage ultrafast pulses can be effectively used to control the gated traveling-wave amplitude division of microchannel plates. Fast risetime Jul 15, 2020 · In plasma experimental research, measuring electrical characteristics such as voltage, current, and power is one of the pillars. The trigger generator is can Nov 1, 2015 · Download Citation | On Nov 1, 2015, Jianwen Tan and others published Research on high-repetition high-voltage nanosecond rectangular pulse generator based on avalanche transistor | Find, read and Oct 15, 2015 · The design of nanosecond high-voltage ultra wide band bipolar pulse generator is shown in this paper. (a) Charging process of C 2 and C 3 . Jan 19, 2021 · The nanosecond short pulse generator, which operates continuously at MHz repetition rates, plays an important role in high-energy accelerators, pulsed laser modulation, electromagnetic biological effects, and other fields. As a result, the high-voltage FID-stack is switched for units of nanosecond. The maximum forming line charge voltage is 450 kV, the pulse duration Jul 1, 2024 · This study presents the development of a high-voltage, high-frequency sub-nanosecond pulse generator system for wastewater treatment. Drift step recovery diode (DSRD) has the advantages of fast switching speed, high repetition rate, and high operating current. This study was performed to emphasize the importance of a compact nanosecond pulse generator for biomedical applications. Two-stage magnetic compression is use … Jan 7, 2020 · Solid-state high voltage nanosecond pulse generator ,” in Proceedings of the 15th IEEE International Pulsed Power Conference, Monterey, California, USA, June 13–17, 2005 lines (PFL) and pulse transformer. laboratory picosecond pulse generator with adjustable pulse amplitude and internal/external triggering: 0. In this paper, we present a robust and flexible generator built on the frozen wave generator concept that can output pulses up to 13.
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