Space vehicle with temperature sensitive oscillator and associated method of sensing temperature in space
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United States of America Patent
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May 21, 2002
Grant Date -
N/A
app pub date -
Jan 20, 2000
filing date -
Jan 20, 2000
priority date (Note) -
Expired
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Abstract
A space vehicle includes a temperature sensitive oscillator carried by a housing. The temperature sensitive oscillator includes a radiation hardened inverting gain circuit, such as a comparator, able to withstand radiation in an ambient space environment, and a thermistor connected to the radiation hardened inverting gain circuit so that an output frequency of the temperature sensitive oscillator varies based upon a temperature of the thermistor. Also, a frequency counter is preferably connected to the temperature sensitive oscillator for generating a digital output signal representative of a sensed temperature. The sensed temperature may be used by one or more electronic circuits connected to the frequency counter.
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