A 5-50 Gb/s quarter rate transmitter with a 4-tap multiple-MUX based FFE in 65 nm CMOS

Zheng, Xuqiang and Zhang, Chun and Lv, Fangxu and Zhao, Feng and Yue, Shigang and Wang, Ziqiang and Li, Fule and Wang, Zhihua (2016) A 5-50 Gb/s quarter rate transmitter with a 4-tap multiple-MUX based FFE in 65 nm CMOS. In: European Solid-State Circuits Conference, ESSCIRC Conference 2016: 42nd, 12 - 15 Sept. 2016, Lausanne, Switzerland.

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Item Type:Conference or Workshop contribution (Paper)
Item Status:Live Archive


This paper presents a 5-50 Gb/s quarter-rate transmitter with a 4-tap feed-forward equalization (FFE) based on multiple-multiplexer (MUX). A bandwidth enhanced 4:1 MUX with the capability of eliminating charge-sharing effect is proposed to increase the maximum operating speed. To produce the quarter-rate parallel data streams with appropriate delays, a compact latch array associated with an interleaved-retiming technique is designed. Implemented in 65 nm CMOS technology, the transmitter occupying an area of 0.6 mm2 achieves a maximum data rate of 50 Gb/s with an energy efficiency of 3.1 pJ/bit.

Keywords:radio transmitters, channel estimation, CMOS logic circuits, equalisers, feedforward, flip-flops, multiplexing equipment, parallel processing, Clocks, Latches, Capacitance, Transmitters, Delays, Bandwidth
Subjects:G Mathematical and Computer Sciences > G400 Computer Science
Divisions:College of Science > School of Computer Science
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ID Code:27950
Deposited On:08 Aug 2017 09:07

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