Noise thermometer

Details Noise thermometer Noise thermometer

1974-11-08

1976-02-10

Queisser, Richard C.

Measuring and testing

Gas analysis

Moisture content or vapor pressure

73362AR, G01K 730

Patent

active

039370860

ABSTRACT:
A thermometer based upon the measurement of spontaneous thermal noise in the form of electrical fluctuations in a sensor resistance, in which the sensor is included within an input circuit. The input circuit is inductively coupled to a matched circuit tuned to a selected band width of the noise and which includes the measuring electronics which preferably discriminates between random amplifier noise and the sensor signal by correlation techniques.

REFERENCES:
patent: 2753522 (1956-07-01), Marsden
patent: 2884786 (1959-05-01), Burk et al.
patent: 3818761 (1974-06-01), Brixy et al.
patent: 3878721 (1975-04-01), Nath
patent: 3890841 (1975-06-01), Brixy

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