Methods for measuring the power linearity of microwave detectors for radiometric applications

This paper discusses and presents experimental results on methods for measuring the power linearity of microwave power detectors to the levels required for radiometric applications. Three methods for measuring detector power linearity are discussed: the two-tone method, the amplitude modulation meth...

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Published in1994 IEEE MTT-S International Microwave Symposium Digest (Cat. No.94CH3389-4) pp. 1477 - 1480 vol.3
Main Authors Reinhardt, V.S., Shih, Y.C., Toth, P.A., Reynolds, S.C., Berman, A.L.
Format Conference Proceeding
LanguageEnglish
Published IEEE 1994
Subjects
Amplitude modulation
Detectors
Linearity
Microwave measurements
Microwave radiometry
Microwave theory and techniques
Power measurement
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Abstract This paper discusses and presents experimental results on methods for measuring the power linearity of microwave power detectors to the levels required for radiometric applications. Three methods for measuring detector power linearity are discussed: the two-tone method, the amplitude modulation method, and the constant ratio method. The theory of determining coefficients which characterize the nonlinearity of the detector from experimental data is presented. Experimental results are presented showing that the two-tone method and the constant ratio method agree within experimental error. The difficulties encountered in implementing each of these methods are also discussed.< >
AbstractList This paper discusses and presents experimental results on methods for measuring the power linearity of microwave power detectors to the levels required for radiometric applications. Three methods for measuring detector power linearity are discussed: the two-tone method, the amplitude modulation method, and the constant ratio method. The theory of determining coefficients which characterize the nonlinearity of the detector from experimental data is presented. Experimental results are presented showing that the two-tone method and the constant ratio method agree within experimental error. The difficulties encountered in implementing each of these methods are also discussed.< >
Author Reinhardt, V.S.
Reynolds, S.C.
Shih, Y.C.
Berman, A.L.
Toth, P.A.
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  organization: Hughes Space & Commun. Co., Los Angeles, CA, USA
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Snippet This paper discusses and presents experimental results on methods for measuring the power linearity of microwave power detectors to the levels required for...
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StartPage 1477
SubjectTerms Amplitude modulation
Detectors
Linearity
Microwave measurements
Microwave radiometry
Microwave theory and techniques
Power measurement
Title Methods for measuring the power linearity of microwave detectors for radiometric applications
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