An analog adaptive decision-feedback equalizer (DFE) is described. The DFE cancels intersymbol interference using four feedback taps, and a fifth tap cancels dc offset. The coefficient for each tap is adapted using a small mixed-signal integrator. The DFE dissipates 220 mW at a data rate of 150 Mb/s. The active area is 1.8 mm2 in a 1-μm CMOS process
Published in:
Solid-State Circuits, IEEE Journal of
(Volume:34
,
Issue:
5
)
Date of Publication: May 1999