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A Generator of High-Power Pulses with Nanosecond Front Edge Based on Blocks of Shock-Ionized Dynistors.

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Title: A Generator of High-Power Pulses with Nanosecond Front Edge Based on Blocks of Shock-Ionized Dynistors.
Authors: Korotkov, S. V.1 (AUTHOR) korotkov@mail.ioffe.ru, Zhmodikov, A. L.1 (AUTHOR), Kozlov, K. A.1 (AUTHOR), Korotkov, D. A.1 (AUTHOR)
Source: Instruments & Experimental Techniques. Jun2025, Vol. 68 Issue 3, p394-399. 6p.
Subjects: Pulse generators, Capacitor banks, Electromagnetic pulses, Coaxial cables, Electric breakdown
Abstract: The possibility of efficiently using the principle of pulse voltage multiplication in generators of powerful nanosecond pulses based on high-voltage blocks of shock-ionized dynistors is demonstrated. The electric circuit and design of a generator containing a coaxial cable with a characteristic impedance of 75 Ω and four modules with an operating voltage of 10 kV are described. The modules are switched on in a relay-race mode; each module includes a block of dynistors and a capacitor bank with a capacitance of 8.8 nF. The results of an experimental study of the generator are given. When the cable is connected to a 75-Ω resistor and the capacitors are charged to a voltage of 10 kV, the generator provides the formation of output voltage pulses with an amplitude of ~38 kV, a front-edge duration of ~4.5 ns, and a half-height duration of ~145 ns. The jitter of the output pulses does not exceed 2 ns. When connecting the cable to a spark gap, the generator is capable of operating in a wide range of spark-gap breakdown voltages, as well as in the idling mode, in which the voltage amplitude at the end of the cable reaches a value close to 80 kV. The possibility of scaling up the generator output parameters is shown. [ABSTRACT FROM AUTHOR]
Copyright of Instruments & Experimental Techniques is the property of Springer Nature and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)
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  Data: A Generator of High-Power Pulses with Nanosecond Front Edge Based on Blocks of Shock-Ionized Dynistors.
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  Data: <searchLink fieldCode="JN" term="%22Instruments+%26+Experimental+Techniques%22">Instruments & Experimental Techniques</searchLink>. Jun2025, Vol. 68 Issue 3, p394-399. 6p.
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  Data: <searchLink fieldCode="DE" term="%22Pulse+generators%22">Pulse generators</searchLink><br /><searchLink fieldCode="DE" term="%22Capacitor+banks%22">Capacitor banks</searchLink><br /><searchLink fieldCode="DE" term="%22Electromagnetic+pulses%22">Electromagnetic pulses</searchLink><br /><searchLink fieldCode="DE" term="%22Coaxial+cables%22">Coaxial cables</searchLink><br /><searchLink fieldCode="DE" term="%22Electric+breakdown%22">Electric breakdown</searchLink>
– Name: Abstract
  Label: Abstract
  Group: Ab
  Data: The possibility of efficiently using the principle of pulse voltage multiplication in generators of powerful nanosecond pulses based on high-voltage blocks of shock-ionized dynistors is demonstrated. The electric circuit and design of a generator containing a coaxial cable with a characteristic impedance of 75 Ω and four modules with an operating voltage of 10 kV are described. The modules are switched on in a relay-race mode; each module includes a block of dynistors and a capacitor bank with a capacitance of 8.8 nF. The results of an experimental study of the generator are given. When the cable is connected to a 75-Ω resistor and the capacitors are charged to a voltage of 10 kV, the generator provides the formation of output voltage pulses with an amplitude of ~38 kV, a front-edge duration of ~4.5 ns, and a half-height duration of ~145 ns. The jitter of the output pulses does not exceed 2 ns. When connecting the cable to a spark gap, the generator is capable of operating in a wide range of spark-gap breakdown voltages, as well as in the idling mode, in which the voltage amplitude at the end of the cable reaches a value close to 80 kV. The possibility of scaling up the generator output parameters is shown. [ABSTRACT FROM AUTHOR]
– Name: AbstractSuppliedCopyright
  Label:
  Group: Ab
  Data: <i>Copyright of Instruments & Experimental Techniques is the property of Springer Nature and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract.</i> (Copyright applies to all Abstracts.)
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        Value: 10.1134/S0020441225700642
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        Text: English
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      – SubjectFull: Pulse generators
        Type: general
      – SubjectFull: Capacitor banks
        Type: general
      – SubjectFull: Electromagnetic pulses
        Type: general
      – SubjectFull: Coaxial cables
        Type: general
      – SubjectFull: Electric breakdown
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      – TitleFull: A Generator of High-Power Pulses with Nanosecond Front Edge Based on Blocks of Shock-Ionized Dynistors.
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              Text: Jun2025
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              Y: 2025
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