A 4-bit ultra-wideband beamformer with 4ps true time delay resolution. - Jonathan Roderick; Harish Krishnaswamy; Kenneth Newton; Hossein Hashemi 001 (CICC, 2005)

Silicon-Based Ultra-Wideband Beam-Forming. - Jonathan Roderick; Harish Krishnaswamy; Kenneth Newton; Hossein Hashemi 001 (IEEE J. Solid State Circuits, 2006)