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A compact nanosecond electron accelerator with an output energy of up to 4000 keV, a pulsed power of 100-180 MW, a beam current of 0.25-1.1 kA, and a pulse energy of 5-7 J is described.
      
The accelerator operates with a pulse repetition rate of 200 Hz and ensures an average beam power of up to 1 kW.
      
The device contains a pulse oscillator generating pulses with an amplitude of up to 12 kV, a pulse former reducing the pulse front duration down to 0.1-0.3 ns, and an output device made in the form of a radiator, applicator, or field-forming system.
      
The limiting operating parameters of the source are a subnanosecond pulse duration and a pulse repetition rate as high as 100 kHz.
      
A Pulse Two-Channel Nd:YAG Laser for Recording and Development of Photothermoplastic Holograms
      
The spark gaps ensure switching to a load for 5-20 ns with a pulse repetition rate of up to 400 Hz.
      
The serviceability of a pulse ionization chamber filled with liquefied argon-deuteromethane mixtures was demonstrated.
      
A high-current nanosecond-pulse generator with a pulse power of up to 1.6 GW, an output voltage of 0.5-1 MV, pulse duration of 40-60 ns, and repetition rates of 300 Hz (in a steady-state mode) and up to 850 Hz (in a burst mode) is described.
      
Its average output power is 30 kW at a pulse repetition rate of 500 Hz.
      
The generator contains a pulse transformer with a biased core and a resonant circuit consisting of a high-voltage solenoid and capacitance of a forming line.
      
The results of tests of high-voltage microsecond and submicrosecond pulse RSD generators with a pulse power of 108-1010 W and high-frequency RSD inverters with a mean power of 104-105 W are presented.
      
A peak power of 1 GW in a single-pulse operation mode and 750 MW at a pulse repetition rate of 3.5 kHz was obtained across a 50-Ω load.
      
The operating safety of pulsed high-voltage processing plants operating in a pulse-repetition mode is discussed.
      
A pulse train programmer for a spin-echo NMR relaxometer-diffusiometer is based on an AT89C51-24PC microcontroller.
      
The circuit includes a wide-band dc amplifier with a differential input and a linear amplitude-frequency characteristic in the range of 0 to 2 × 106 Hz combined with a sample-and-hold circuit for controlling the dc component of a pulse signal.
      
Life tests at a pulse repetition rate of 1.1 Hz have shown that the parameters of spark gaps do not deteriorate after the total number of operations of up to 3 × 106, which corresponds to a total charge of 4.5 × 104 C.
      
A batch of 20 spark gaps has been manufactured for the operation in a pulse voltage generator for supplying the discharge in a large-volume pulsed CO2 laser.
      
The possibility of using a semiconductor opening switch based on СДЛ-800 diodes as a driver of a pulse current for a capillary discharge in a circuit with an inductive energy storage is investigated.
      
The operational features of a duoplasmatron generating an ion current with a pulse duration of 35 and 220 μs and at a repetition rate of 1, 5, and 25 Hz are described.
      
The design of a repetitively pulsed HF(DF) gas-discharge laser with an active-medium volume of 60 × 2.3 × 1.2 cm3, a pulse radiation energy of 1.6 (1.2) J, and a pulse repetition rate of 1-2 Hz is described.
      
 

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