Patent ID: 8615207
Filing Date: 2013-12-24
Classification: H03F,H04B

Abstract:
1. A system for improving linearity of a power amplifier, comprising: a first input operable to couple to an input signal path of the power amplifier for obtaining a first sample of an input signal of the power amplifier; a second input operable to couple to an output signal path of the power amplifier for obtaining a second sample of an output signal of the power amplifier, the output signal comprising at least one non-linearity component imposed on the output signal by the power amplifier, the second sample comprising at least one sampled non-linearity component corresponding to the at least one non-linearity component; an output operable to couple to the input signal path of the power amplifier, the output for applying a linearity improving signal to the input signal path; and a linearizer electrically coupled to the first input, the second input, and the output, the linearizer comprising: