Extraction of the InP/InGaAs metallic collector-up heterojunction bipolar transistor small-signal equivalent circuitR. Bourguiga, A. Oudir, M. Mahdouani, F. Pardo and J. L. PelouardEur. Phys. J. Appl. Phys., 42 3 (2008) 177-186DOI: https://doi.org/10.1051/epjap:2008066