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A dispersion tolerant receiver for fiber-optic links, in 0.18 mum SiGe BiCMOS, implements a Class-2 partial response maximum likelihood (PRML) equalization entirely in the analog domain. Post-FEC error free operation is achieved with data received from over 400 km of uncompensated single mode fiber (SMF). The receiver complies with XFI Jitter specifications for Telecom (SONET OC-192 and G.709 ldquoOTU-2rdquo).
A finite impulse response (FIR) equalizer utilizing 0.18 mum SiGe BiCMOS provides unparalleled performance as a building block for analog electronic dispersion compensation (EDC) applications. A new track-and-hold (T/H) topology improves on the existing performance limitations of the switched emitter follower (SEF) architecture. The new T/H achieves extended dynamic range, for higher input bandwidths,...
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