An adaptive predistortion circuit for a digital transmission system which comprises a predistortion circuit (52.sub.1, 52.sub.2) predistorting the input data prior to their entering a modulator (56) and thereafter an amplifier (57), and an adaptation circuit (61.sub.1, 61.sub.2) continuously adapting...http://www.google.fr/patents/US4967164?utm_source=gb-gplus-shareBrevet US4967164 - Adaptive predistortion circuit