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  • 1
    Publication Date: 2019-07-13
    Description: Deep space probes and planetary exploration missions require electrical power management and control systems that are capable of efficient and reliable operation in very cold temperature environments. Typically, in deep space probes, heating elements are used to keep the spacecraft electronics near room temperature. The utilization of power electronics designed for and operated at low temperature will contribute to increasing efficiency and improving reliability of space power systems. At NASA Glenn Research Center, commercial-off-the-shelf devices as well as developed components are being investigated for potential use at low temperatures. These devices include semiconductor switching devices, magnetics, and capacitors. Integrated circuits such as digital-to-analog and analog-to-digital converters, DC/DC converters, operational amplifiers, and oscillators are also being evaluated. In this paper, results will be presented for selected analog-to-digital converters, oscillators, DC/DC converters, and pulse width modulation (PWM) controllers.
    Keywords: Electronics and Electrical Engineering
    Type: NASA/TM-2002-211695 , E-13427 , NAS 1.15:211695 , Fifth European Workshop on Low Temperature Electronics; Jun 19, 2002 - Jun 21, 2002; Grenoble; France
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  • 2
    Publication Date: 2019-07-13
    Description: Electronic components and systems capable of operation at cryogenic temperatures are anticipated in many future NASA space missions such as deep space probes and planetary surface exploration. For example, an unheated interplanetary probe launched to explore the rings of Saturn would reach an average temperature near Saturn of about - 183 C. In addition to surviving the deep space harsh environment, electronics capable of low temperature operation would contribute to improving circuit performance, increasing system efficiency, and reducing payload development and launch costs. Terrestrial applications where components and systems must operate in low temperature environments include cryogenic instrumentation, superconducting magnetic energy storage, magnetic levitation transportation system, and arctic exploration. An on-going research and development program at the NASA Glenn Research Center focuses on the development of reliable electronic devices and efficient power systems capable of surviving in low temperature environments. An overview of the program will be presented in this paper. A description of the low temperature test facilities along with selected data obtained from in-house component testing will also be discussed. Ongoing research activities that are being performed in collaboration with various organizations will also be presented.
    Keywords: Electronics and Electrical Engineering
    Type: NASA/TM-2001-211129 , NAS 1.15:211129 , E-12978 , International Cryogenic Materials Conference; Jul 16, 2001 - Jul 20, 2001; Madison, WI; United States|2001 Cryogenic Engineering Conference; Jul 16, 2001 - Jul 20, 2001; Madison, WI; United States
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