Search for: [Subject and Keywords = HBT] OR [Subject and Keywords = RF CMOS] OR [Subject and Keywords = microwave devices] OR [Subject and Keywords = heterostructures] OR [Subject and Keywords = HEMT] OR [Subject and Keywords = RF devices] OR [Subject and Keywords = frequency limits] OR [Title = Evolution and recent advances in RF\/microwave transistors, Journal of Telecommunications and Information Technology, 2004, nr 1] OR [Creator = Schwierz, Frank] OR [Creator = Liou, Juin J.]