Ultra high frequency integrated circuits using transferred substrate heterojunction bipolar transistors. - Mark J. W. Rodwell; Q. Lee; Dino Mensa; J. Guthrie; Yoram Betser; Suzanne C. Martin; R. P. Smith; S. Jaganathan; Thomas Mathew; P. Krishnan; C. Serhan; Stephen I. Long (ISCAS (2), 1999)