An 18-GHz continuous-time Σ-Δ analog-digital converter implemented in InP-transferred substrate HBT technology. - Shrinivasan Jaganathan; Sundararajan Krishnan; Dino Mensa; Thomas Mathew; Yoram Betser; Yun Wei; Dennis W. Scott; Miguel Urteaga; Mark J. W. Rodwell (IEEE J. Solid State Circuits, 2001)

G-band (140-220-GHz) InP-based HBT amplifiers. - Miguel Urteaga; Dennis W. Scott; Sundararajan Krishnan; Yun Wei; Mattias Dahlström; Zach Griffith; Navin Parthasarathy; Mark J. W. Rodwell (IEEE J. Solid State Circuits, 2003)