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A new nonlinear dynamic model of large-signal amplifiers based on a Volterra-like integral series expansion is described. The new Volterra-like series is specially oriented to the modeling of nonlinear communication circuits, since it is expressed in terms of dynamic deviations of the complex modulation envelope of the input signal. The proposed model represents a generalization, to nonlinear systems with memory, of the widely-used amplitude/amplitude (AM/AM) and amplitude/phase (AM/PM) conversion characteristics, which are based on the assumption of a practically memoryless behavior. A measurement procedure for the experimental characterization of the proposed model is also outlined.
Published in:
Instrumentation and Measurement, IEEE Transactions on
(Volume:53
,
Issue:
2
)
Date of Publication: April 2004
- Page(s):
- 341 - 350
- ISSN :
- 0018-9456
- INSPEC Accession Number:
- 7981902
- Digital Object Identifier :
- 10.1109/TIM.2003.822714
- Date of Current Version :
- 13 April 2004
- Issue Date :
- April 2004
- Sponsored by :
- IEEE Instrumentation and Measurement Society
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