Patent ID: 7236753
Filing Date: 2007-06-26
Classification: H03C,H03F,H04L

Abstract:
1. An apparatus comprising: a phase alignment configuration able to align phases of first and second outphased signals generated by first and second modulation paths, respectively, based on first and second phases of first and second feedback signals from downstream of first and second synthesizers, respectively, on said first and second modulation paths, respectively; and a digital signal processor to receive one or more signals responsive to said first and second feedback signals, to provide first and second digitally-processed signals to said first and second synthesizers, respectively, and to remove a phase shift between said first and second outphased signals, wherein said phase alignment configuration comprises: a phase detector able to detect a phase shift between said first and second feedback signals, and to provide to said digital signal processor a signal responsive to said detected phase shift.