Table-look-up modeling of microwave electron devices needs data interpolation algorithms with specific requirements. In the paper, an original data approximating formula is adopted in the framework of a well-known LUT-based nonlinear device model. Accurate intermodulation distortion prediction for highly linear power amplifier design is proven to be strongly dependent on the data interpolation/ approximation. The proposed procedure provides more accurate reconstruction of sampled functions and related derivatives than conventional splines. The LUT-based model is shown to provide accurate predictions of the third order intermodulation product even at extremely low levels.
Scheda prodotto non validato
Attenzione! I dati visualizzati non sono stati sottoposti a validazione da parte dell'ateneo
Titolo: | Optimal function approximation for empirical look-up-table device models |
Autori: | |
Data di pubblicazione: | 2007 |
Abstract: | Table-look-up modeling of microwave electron devices needs data interpolation algorithms with specific requirements. In the paper, an original data approximating formula is adopted in the framework of a well-known LUT-based nonlinear device model. Accurate intermodulation distortion prediction for highly linear power amplifier design is proven to be strongly dependent on the data interpolation/ approximation. The proposed procedure provides more accurate reconstruction of sampled functions and related derivatives than conventional splines. The LUT-based model is shown to provide accurate predictions of the third order intermodulation product even at extremely low levels. |
Handle: | http://hdl.handle.net/11392/524265 |
ISBN: | 9788854814769 |
Appare nelle tipologie: | 04.2 Contributi in atti di convegno (in Volume) |