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GBS ElektronikModel RUP3 -High Voltage Pulse Generators

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The RUP Series from GBS Elektronik comprises high voltage pulse generators designed to cater to a diverse range of applications, notably plasma ionization. These pulse generators offer flexible adjustment capabilities for pulse parameters such as frequency, pulse width, and amplitude, allowing them to accommodate a variety of load impedances. Noteworthy models include the RUP3, RUP6, RUP6 bipolar, RUP7, RUP8, and those utilizing tube technology. For example, the RUP3 features a semiconductor module enabling high-resistance load support with swift rise times. The RUP6 series utilizes IGBT half-bridge modules that allow for extensive pulse width flexibility. Conversely, the RUP6 bipolar provides dual polarity pulse options. The RUP7 series is tailored for inductive dominance, while the RUP8 emphasizes high voltage output and compact design. Tube-based models (RUP1-2, RUP4-5) bear advantages such as inherent current limitation but require shielding due to x-rays.

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The high-voltage pulse generators of the RUP3 series consist of a high-voltage power supply with a connected semiconductor module. This topology allows completely freely selectable pulse widths and duty cycles up to 100% (DC operation). Protection against overcurrent and short circuits in the load is provided by protective resistors. For this reason, the RUP3 pulse generators are also more suitable for high-resistance loads with smaller to medium capacities. The pulse generators of the RUP3 series are very fast; Especially with devices with an output resistance of 50-100 Ohm, rise times of 50 ns are typical.

The outstanding features of the RUP3 series are:

  • Real square pulse with active shutdown (for models with "A" in the designation)
  • Very fast rise times
  • Pulse length almost completely freely adjustable
  • Duty cycle up to 100%
  • Individual scalability of the voltage
  • Over current and short circuit protection

General Specifications:

  • Models versions with high voltages from -3kV to + 25kV
  • Models with current pulse from 1A to 30A
  • 30mA average rms current
  • Typical rise time 50 - 100ns
  • Frequencies up to 10kHz

Special variants:

  • Bipolar design
  • Integrated, adjustable bias voltage 0 to -200V
  • Special version with alternating voltage bias up to ± 200V
  • Versions with 2 outputs that can be actuated phase-shifted
  • Special high-power version up to 5kW
  • OEM versions

Applications

  • Power supply for ion sources
  • Plasma immersion applications
  • Insulation tests on capacitive loads