High Speed 1-tap Decision Feedback Equalizer in 28 nm CMOS

Document Type : Original Article

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EEC Department, Ain Shams University.

Abstract

Decision Feedback Equalizers (DFEs) are widely used in high speed serial links. DFE can compensate for severe distortion in transmitted signal due to band-limited channels. In this paper we demonstrate two different 1-tap DFE designs in 28 nm CMOS process with one reaching 66Gbps and the other reaching 83Gbps consuming 25mW and 32mW from a 0.9-V supply, respectively. No coils were used for bandwidth extension in the design.

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