A 128-Gb/s 1.3-pJ/b PAM-4 Transmitter With Reconfigurable 3-Tap FFE in 14-nm CMOS

This article describes a 128-Gb/s pulse amplitude-modulation 4-level (PAM-4) transmitter (TX) implemented in a 14-nm CMOS FinFET technology. Equalization is provided by a fully reconfigurable 3-tap baud-spaced feed-forward equalizer (FFE). The TX uses a segmented tailless current mode logic (CML) dr...

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Veröffentlicht in:	IEEE journal of solid-state circuits 2020-01, Vol.55 (1), p.19-26
Hauptverfasser:	Toprak-Deniz, Zeynep, Proesel, Jonathan E., Bulzacchelli, John F., Ainspan, Herschel A., Dickson, Timothy O., Beakes, Michael P., Meghelli, Mounir
Format:	Artikel
Sprache:	eng
Schlagworte:	Bandwidth Capacitance Circuits Clocks CMOS Energy measurement Equalization feed-forward equalizer (FFE) I/O Integrated circuit modeling non-return-to-zero (NRZ) Optical signal processing Pulse amplitude Pulse amplitude modulation pulse amplitude-modulation 4-level (PAM-4) re-assignment Reconfiguration segmented driver Topology transmitter (TX) Transmitters
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