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High voltage resistive output stage circuit

  • US 10,460,910 B2
  • Filed: 03/30/2018
  • Issued: 10/29/2019
  • Est. Priority Date: 03/31/2017
  • Status: Active Grant
First Claim
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1. A high voltage, high frequency switching circuit comprising:

  • a high voltage switching power supply that produces pulses having a voltage greater than 1 kV and with frequencies greater than 10 kHz;

    an output; and

    a resistive output stage electrically coupled to, and in parallel with the output of the high voltage switching power supply, the resistive output stage comprising at least one resistor and at least one inductor arranged in series with the at least one resistor, wherein the at least one resistor discharges a load coupled with the output, the resistive output stage configured to dissipate over about 1 kilowatt of average power, wherein the resistor in the resistive output stage includes a resistance R and the output is coupled with a load having a capacitance C such that R≈

    C/tf where tf is the pulse fall time.

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