A CMOS UWB transmitter with Vivaldi Array for Ultra-fast Beam steering microwave radar - Oliveira, Alexandre Machado de; Orrillo Ascama, Héctor Dave; Hiramatsu, Roberto Kenji; Kofuji, Sergio Takeo; Perotoni, Marcelo Bender; Justo Filho, João Francisco (Journal of Microwaves, Optoelectronics and Electromagnetic Applications, 2013)