NASA NTRS · 19910018132
Analog synthesized fast-variable linear load
Abstract
A several kilowatt power level, fast-variable linear resistor was synthesized by using analog components to control the conductance of power MOSFETs. Risetimes observed have been as short as 500 ns with respect to the control signal and 1 to 2 microseconds with respect to the power source voltage. A variant configuration of this load that dissipates a constant power set by a control signal is indicated. Replacement of the MOSFETs by static induction transistors (SITs) to increase power handling, speed and radiation hardness is discussed.
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Niedra, Janis M.. 1991-07-01. Analog synthesized fast-variable linear load. https://ntrs.nasa.gov/citations/19910018132
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