Gain control for communications device

H - Electricity – 03 – G

Patent

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Details

H03G 3/20 (2006.01) H03G 3/30 (2006.01) H04B 1/38 (2006.01)

Patent

CA 2476318

Systems and techniques for gain control include amplifying a signal with an amplifier having a gain represented by one of a plurality of gain curves depending on a value of a parameter, the signal being amplified at a first one of the parameter values, and controlling the gain of the amplified signal from a predetermined gain curve relating to the gain curve of the amplifier for a second one of the parameter values by adjusting a gain control signal corresponding to a point on the predetermined gain curve as a function of the first one of the parameter values, and applying the adjusted gain control signal to the amplifier. It is emphasized that this abstract is provided to comply with the rules requiring an abstract which will allow a searcher or other reader to quickly ascertain the subject matter of the technical disclosure.

La présente invention concerne des systèmes et des techniques permettant de commander le gain qui consistent à amplifier un signal avec un amplificateur dont le gain est représenté par une ou plusieurs courbes de gain en fonction d'une valeur de paramètre, le signal étant amplifié à une première des valeurs de paramètre, à commander le gain du signal amplifié à partir d'une courbe de gain prédéterminée relative à la courbe de gain de l'amplificateur pour une seconde des valeurs de paramètre par le réglage d'un signal de commande de gain correspondant à un point sur la courbe de gain prédéterminée en fonction de la première des valeurs de paramètre et à appliquer ce signal de commande de gain réglé à l'amplificateur. Soulignons que cet abrégé est fourni afin de se conformer aux règles requérant la production d'un abrégé qui permettra à un chercheur ou à un autre lecteur de rapidement cerner l'objet de l'invention technique.

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