M. Meghelli et al., HIGH-POWER AND HIGH-SPEED INP DHBT DRIVER ICS FOR LASER MODULATION, IEEE journal of solid-state circuits, 33(9), 1998, pp. 1411-1416
A driver IC and a 2:1 selector-driver IC developed for lightwave modul
ators are presented. The IC's were fabricated in a standard InP/InGaAs
double heterojunction bipolar transistor technology with 56 GHz F-t a
nd 43 GHz F-max. The driver operates up to 20 Gb/s with an output volt
age swing of 4 V-pp (corresponding to an internal current swing of 120
mA). The 2:1 selector-driver exhibits an output voltage swing of 2.2
V-pp at 30 Gb/s. Specific design and layout aspects of such circuits a
re discussed.