Method and apparatus for a linear transmitter

H - Electricity – 04 – B

Patent

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H04B 1/04 (2006.01)

Patent

CA 2203168

A method and apparatus is provided for a transmitter (200) with a stable, linear response. The transmitter (200) includes an amplification stage (242), and a negative feedback correction loop (244) with a feedback signal (252). A reference signal (251) is combined with the feedback signal (252) to produce an error signal (253) for coupling to the amplification stage (242). Transmitter parameters are varied when a difference between the reference signal (251) and the error signal (253) exceeds a particular threshold.

La présente invention concerne un procédé et un équipement destinés à un émetteur (200) dont la réponse est stable et linéaire. L'émetteur (200) comprend un étage d'amplification (242) et une boucle corrective de contre-réaction (244) dans laquelle passe un signal de réaction (252). Un signal de référence (251) est combiné au signal de réaction (252) pour donner un signal d'erreur (253) destiné au couplage à l'étage amplificateur (242). Les paramètres de l'émetteur sont modifiés quand une différence entre le signal de référence (251) et le signal d'erreur (253) dépasse un seuil déterminé.

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