Friday, Apr 26, 2013, 2:00PM University of Massachusetts Boston Physics colloquium series Science building, room 3-126 Kamal Alavi, Raytheon Company "Evolution of RF Power Transistors: From Si BJT to GaN HE" Refreshments served at 1:45 Questions: Maxim Olshanii (Olchanyi) <Maxim Olchanyi umb edu>