A 7-tap transverse analog-FIR filter in 0.12 /spl mu/m CMOS for equalization of 10Gb/s fiber-optic data systems
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A 130mA 2.5V 7-tap analog FIR equalizer for 10Gb/s fiber-optic links is implemented in a 0.12 /spl mu/m CMOS process. The filter precedes the receiver CDR and recovers data signals distorted by multi-mode fiber dispersion over a 600m link to a BER <10/sup -12/. Tap delays are implemented by a combination of passive and buffered LC transmission lines.
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