Thruster grid clear circuits and methods to clear thruster grids
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United States of America Patent
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Jun 5, 2018
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app pub date -
Apr 22, 2015
filing date -
Oct 18, 2012
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Abstract
Thruster grid clear circuits and methods to clear thruster grids are disclosed. An example apparatus includes a low voltage grid clear circuit to apply first energy to a grid at a first voltage, and a high voltage grid clear circuit to detect a failure of the applied energy to clear a short circuit condition of the grid and to apply second energy to the grid at a second voltage higher than the first voltage.
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