Patent ID: 7729668

Claim:
A predistorter for reducing spurious emissions in an amplified signal comprising: a first path configured to generate memory-less distortion correction; a second path configured to generate memory distortion correction; and at least one dynamically controllable delay circuit located in at least one of the first and second paths and configured to render the memory-less and memory distortion corrections independent from one another over a plurality of operating frequencies for the predistorter, wherein the first path is disposed in a first layer, and the second path is disposed in a second layer, wherein the second layer further comprises a third path, wherein the second path is a second layer long path and the third path is a second layer short path, and wherein the dynamically controllable delay circuit is configured to add a delay to the second layer long path that is an integer number of wavelengths long relative to a delay added to the second layer short path at the frequency of use of the predistorter.