Leo C. N. de Vreede, Mustafa Acar, David A. Calvillo-Cortes, Mark P. van der Heijden, Rosbin Wesson, Michel de Langen, Jawad Qureshi. Outphasing transmitters, enabling digital-like amplifier operation with high efficiency and spectral purity. IEEE Communications Magazine, 53(4):216-225, 2015. [doi]
Abstract is missing.