H - Electricity – 03 – F
Patent
H - Electricity
03
F
H03F 1/32 (2006.01)
Patent
CA 2421773
A nonlinear distortion compensation power amplifier wherein a gain adjustment circuit (4) for gain adjustment control is provided to maintain the overall gain of the nonlinear distortion compensation power amplifier comprising a power amplifier (5) always to a constant value, a control circuit (8) determines most suitably the pattern of the amount of distortion corresponding to the instantaneous value of the input signal given to a distortion signal generating circuit (3) so that the distortion signal generating circuit (3) can generate such a distortion signal that the power of the unnecessary out-of- band signal component of the output signal of the power amplifier (5) may be minimum while the overall gain is maintained.
L'invention concerne un amplificateur de puissance à compensation de distorsion non linéaire, dans lequel un circuit de régulation de gain (4) est conçu pour maintenir à une valeur constante le gain total de cet amplificateur de puissance à compensation de distorsion non linéaire constitué d'un amplificateur de puissance (5). Un circuit de commande (8) détermine de manière la plus adaptée le motif du taux de distorsion correspondant à la valeur instantanée du signal d'entrée délivré à un circuit de production de signal de distorsion (3), de sorte que ce circuit de production de signal de distorsion (3) peut produire un signal de distorsion tel que la puissance du composant de signal hors bande inutile du signal de sortie de l'amplificateur de puissance (5) se trouve à un niveau minimum tandis que le gain total est maintenu.
Japan Science And Technology Corporation
Sim & Mcburney
LandOfFree
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