On the use of multitone techniques for assessing RF components' intermodulation distortion
A comprehensive analysis of various techniques currently used for assessing microwave components' nonlinear distortion behavior is presented in this paper. The output of a third-order system subject to a two- or three-tone input is given, and then used as the comparison reference for studying t...
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| Published in | IEEE transactions on microwave theory and techniques Vol. 47; no. 12; pp. 2393 - 2402 |
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| Main Authors | , |
| Format | Journal Article |
| Language | English |
| Published |
IEEE
01.12.1999
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| Subjects | |
| Online Access | Get full text |
| ISSN | 0018-9480 |
| DOI | 10.1109/22.808986 |
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| Abstract | A comprehensive analysis of various techniques currently used for assessing microwave components' nonlinear distortion behavior is presented in this paper. The output of a third-order system subject to a two- or three-tone input is given, and then used as the comparison reference for studying the response to a general multitone or random excitation. Theoretical results thus obtained allowed the generalization of standard two-tone intermodulation (IMD) figures of merit, to multitone IMD ratio, multitone or noise adjacent channel power ratio, and noise power ratio (NPR). This approach proved that normal NPR tests produce optimistic results that can be as large as 7 dB when evaluating in-band co-channel power interference. |
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| AbstractList | A comprehensive analysis of various techniques currently used for assessing microwave components' nonlinear distortion behavior is presented in this paper. The output of a third-order system subject to a two- or three-tone input is given, and then used as the comparison reference for studying the response to a general multitone or random excitation. Theoretical results thus obtained allowed the generalization of standard two-tone intermodulation (IMD) figures of merit, to multitone IMD ratio, multitone or noise adjacent channel power ratio, and noise power ratio (NPR). This approach proved that normal NPR tests produce optimistic results that can be as large as 7 dB when evaluating in-band co-channel power interference A comprehensive analysis of various techniques currently used for assessing microwave components' nonlinear distortion behavior is presented in this paper. The output of a third-order system subject to a two- or three-tone input is given, and then used as the comparison reference for studying the response to a general multitone or random excitation. Theoretical results thus obtained allowed the generalization of standard two-tone intermodulation (IMD) figures of merit, to multitone IMD ratio, multitone or noise adjacent channel power ratio, and noise power ratio (NPR). This approach proved that normal NPR tests produce optimistic results that can be as large as 7 dB when evaluating in-band co-channel power interference. |
| Author | Pedro, J.C. De Carvalho, N.B. |
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| Cites_doi | 10.1109/ARFTG.1997.327261 10.1109/22.598446 10.1109/26.403774 10.1109/TCOM.1986.1096492 |
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| References | schetzen (ref8) 1980 hassun (ref5) 1997 staudinger (ref1) 1997; 9 ref4 wu (ref2) 1998; 41 ref3 thomas (ref10) 1969 ref6 ref11 maas (ref9) 1988 leffel (ref7) 1985 |
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| StartPage | 2393 |
| SubjectTerms | Bandwidth Channels Distortion Distortion measurement Interference Intermodulation Intermodulation distortion Microwave theory and techniques Microwaves Noise Noise figure Noise levels Nonlinear distortion Radio frequency Signal to noise ratio Testing |
| Title | On the use of multitone techniques for assessing RF components' intermodulation distortion |
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