A method for reducing second-order non-linear distortion in a wideband system, the method comprising: receiving an input signal at a first non-linear circuit stage , wherein the first non-linear circuit stage applies an initial second-order non-linear modification having an initial second-order distortion to the input signal to provide a first non-linear signal, the first non-linear signal is not inverted with respect to the input signal; and the method further comprising: providing the first non-linear signal to one or more intermediate circuit stages , wherein the one or more intermediate circuit stages apply at least a linear modification to the first non-linear signal to generate a modified non-linear signal, and wherein the modified non-linear signal is inverted with respect to the first non-linear signal; and providing the modified non-linear signal to a second non-linear circuit stage , wherein the second non-linear circuit stage applies an additional second-order non-linear modification having an additional second-order distortion to the modified non-linear signal to output an output signal, wherein the output signal is not inverted with respect to the modified non-linear signal, wherein the one or more intermediate circuit stages have an overall transfer function that causes the initial second-order distortion and the additional second-order distortion to have second-order distortion levels that cancel second-order distortion from the output signal. receiving an input signal at a first non-linear circuit stage , wherein the first non-linear circuit stage applies an initial second-order non-linear modification having an initial second-order distortion to the input signal to provide a first non-linear signal, the first non-linear signal is not inverted with respect to the input signal; and the method further comprising: providing the first non-linear signal to one or more intermediate circuit stages , wherein the one or more intermediate circuit stages apply at least a linear modification to the first non-linear signal to generate a modified non-linear signal, and wherein the modified non-linear signal is inverted with respect to the first non-linear signal; and providing the modified non-linear signal to a second non-linear circuit stage , wherein the second non-linear circuit stage applies an additional second-order non-linear modification having an additional second-order distortion to the modified non-linear signal to output an output signal, wherein the output signal is not inverted with respect to the modified non-linear signal, wherein the one or more intermediate circuit stages have an overall transfer function that causes the initial second-order distortion and the additional second-order distortion to have second-order distortion levels that cancel second-order distortion from the output signal. providing the first non-linear signal to one or more intermediate circuit stages , wherein the one or more intermediate circuit stages apply at least a linear modification to the first non-linear signal to generate a modified non-linear signal, and wherein the modified non-linear signal is inverted with respect to the first non-linear signal; and providing the modified non-linear signal to a second non-linear circuit stage , wherein the second non-linear circuit stage applies an additional second-order non-linear modification having an additional second-order distortion to the modified non-linear signal to output an output signal, wherein the output signal is not inverted with respect to the modified non-linear signal, wherein the one or more intermediate circuit stages have an overall transfer function that causes the initial second-order distortion and the additional second-order distortion to have second-order distortion levels that cancel second-order distortion from the output signal. <EOS>