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Analog synthesized fast-variable linear loadA 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.
Document ID
19910018132
Acquisition Source
Legacy CDMS
Document Type
Conference Paper
Authors
Niedra, Janis M. (Sverdrup Technology, Inc. Brook Park, OH, United States)
Date Acquired
September 6, 2013
Publication Date
July 1, 1991
Subject Category
Electronics And Electrical Engineering
Report/Patent Number
NAS 1.26:187155
E-6377
NASA-CR-187155
Report Number: NAS 1.26:187155
Report Number: E-6377
Report Number: NASA-CR-187155
Meeting Information
Meeting: Intersociety Energy Conversion Engineering Conference
Location: Boston, MA
Country: United States
Start Date: August 4, 1991
End Date: August 9, 1991
Sponsors: ANS, ASME, AIAA, AIChE, ACS, IEEE, SAE
Accession Number
91N27446
Funding Number(s)
CONTRACT_GRANT: NAS3-25266
PROJECT: RTOP 590-13-11
Distribution Limits
Public
Copyright
Work of the US Gov. Public Use Permitted.

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