H - Electricity – 03 – F
Patent
H - Electricity
03
F
H03F 1/26 (2006.01) H03F 1/02 (2006.01) H03F 1/32 (2006.01) H03F 3/60 (2006.01)
Patent
CA 2362101
A calibration method and apparatus for calibrating and linearizing an amplifier (102 1-n) in which an input signal (V in) is decomposed into N channels (x1(n)). Then the amplifier is modeled to generate an estimated transfer function for each channel. Using the estimated transfer function for each channel, equalizer values are computed for equalizers that are applied to each channel prior to amplification, thus enabling the amplification of amplitude and/or phase modulated signals via the non-linear amplifiers.
L'invention concerne un procédé et un dispositif d'étalonnage et de linéarisation d'un amplificateur (1021-n), ce procédé consistant à décomposer un signal d'entrée (Vin) en N canaux (x1(n)), puis à modeler l'amplificateur afin de produire une fonction de transfert estimée pour chaque canal, et à l'aide de cette fonction de transfert estimée pour chaque canal, à calculer des valeurs d'égaliseur, destinées à des égaliseurs appliqués à chaque canal préalablement à l'amplification, de manière à permettre l'amplification de signaux d'amplitude et/ou modulés en phase, par l'intermédiaire d'amplificateurs non linéaires.
Baseghi Behshad
Kolanek James C.
Shynk John J.
Fujant Inc.
Riches Mckenzie & Herbert Llp
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