HIGH VOLTAGE PULSE GENERATOR FOR ELECTRO-PORATION
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United States of America Patent
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Issued Date -
Sep 1, 2022
app pub date -
Feb 25, 2022
filing date -
Feb 26, 2021
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Abstract
A high voltage pulse generator for electro-poration comprising: a capacitor bank in which the electric charge used to generate the pulses is stored; the capacitor bank has an output terminal on which a high voltage direct current HT is present; a voltage amplifier circuit which receives, at input, the high voltage direct current HT and is provided with an automatic gain control circuit designed to compare a reference voltage VHT-ref with the voltage supplied at output VOUT by the amplifier to maintain the voltage constant at output during generation of the pulses; a current amplifier circuit arranged downstream of the voltage amplifier circuit and provided with an electronic semiconductor switch communicating with a first terminal with the output of the capacitor bank and provided with a second terminal designed to communicate with an output of the pulse generator; the voltage present at the output of the voltage amplifier is supplied to the output of the pulse generator and is used to operate the switching during closing of the electronic semiconductor switch.
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