In a modualtion system responsive to a first sampled signal (31) of a first sampling rate for supplying a modulated analog signal to an amplifier having nonlinearities to make the amplifier produce an amplified output signal, a selector (72) selects the first sampled signal and a second sampled signal...http://www.google.com.au/patents/US4985688?utm_source=gb-gplus-sharePatent US4985688 - Modulation system capable of accurately compensating for nonlinearities of an amplifier connected thereto
