An 18-GHz continuous-time Σ-Δ analog-digital converter implemented in InP-transferred substrate HBT technology.
Shrinivasan JaganathanSundararajan KrishnanDino MensaThomas MathewYoram BetserYun WeiDennis W. ScottMiguel UrteagaMark J. W. RodwellPublished in: IEEE J. Solid State Circuits (2001)