IIA-3 113-GHz f_T Graded-Base SiGe HBT's

D.L. Harame, J.H. Comfort, et al.

VLSI Technology 1993

R.M. Feenstra, M.A. Lutz, et al.

Journal of Vacuum Science and Technology B: Microelectronics and Nanometer Structures

J.M.C. Stork, D.L. Harame, et al.

GaAs IC 1994

E. Ganin, B. Davari, et al.

Applied Physics Letters