LINEARISATION OF AN AMPLIFIER

摘要

The present invention relates to a method of linearising an amplifier (4) and also to amplifier circuitry. The method comprises steps of generating a linearising signal (10) that substantially corresponds to the low-frequency components of the square of an input signal (7) to the amplifier (4), processing the linearising signal, combining (15) the linearising signal with the input signal to form a modified input signal, and amplifying the modified input signal by means of the amplifier (4).