采用串音消除技术的 28 纳米 CMOS 3×12-Gb/s 1.26-pJ/b 单端 PAM-3 发射器

IF 4 2区工程技术 Q2 ENGINEERING, ELECTRICAL & ELECTRONIC

IEEE Transactions on Circuits and Systems II: Express Briefs Pub Date : 2024-08-12 DOI:10.1109/TCSII.2024.3442200

Dongwoo Kang;Han-Gon Ko;Kwanseo Park

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引用次数: 0

摘要

本简介介绍了一种用于高密度多通道系统的三通道单端三电平脉冲幅度调制（PAM-3）发射器（TX）。该发射机采用串音消除（XTC）技术进行多级信令，该技术利用了通过 PAM-3 编码获得的转换信息。结合前馈均衡器（FFE），所提出的 XTC 技术只需最小的硬件开销即可实现。原型 3 信道 TX 采用 28 纳米 CMOS 技术制造，并在插入损耗和信噪比分别为 7.8 dB 和 5.7 dB 的信道上进行了测试。拟议的 TX 实现了 12 Gb/s/ch 的数据传输速率，XT 引起的抖动（CIJ）显著降低了 0.432 UI。此外，它的能效为 1.26 pJ/b，而每个通道占用的有效面积为 0.007 mm2。

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A 3×12 -Gb/s 1.26-pJ/b Single-Ended PAM-3 Transmitter With Crosstalk Cancellation Technique in 28-nm CMOS

This brief presents a 3-channel single-ended three-level pulse amplitude modulation (PAM-3) transmitter (TX) for high-density multi-channel systems. The proposed TX employs a crosstalk cancellation (XTC) technique for multi-level signaling, which utilizes the information of transitions obtained through the PAM-3 encoding. Combining with a feedforward equalizer (FFE), the proposed XTC technique is implemented by a minimal hardware overhead. Fabricated in 28-nm CMOS technology, a prototype 3-channel TX is tested with channels which insertion loss and signal-to-crosstalk ratio are 7.8 dB and 5.7 dB, respectively. The proposed TX achieves a data rate of 12 Gb/s/ch with a significant XT-induced jitter (CIJ) reduction of 0.432 UI. Furthermore, it provides an energy efficiency of 1.26 pJ/b while occupying an active area of 0.007 mm2 per channel.

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来源期刊

IEEE Transactions on Circuits and Systems II: Express Briefs 工程技术-工程：电子与电气

CiteScore

7.90

自引率

20.50%

发文量

883

审稿时长

3.0 months

期刊介绍： TCAS II publishes brief papers in the field specified by the theory, analysis, design, and practical implementations of circuits, and the application of circuit techniques to systems and to signal processing. Included is the whole spectrum from basic scientific theory to industrial applications. The field of interest covered includes: Circuits: Analog, Digital and Mixed Signal Circuits and Systems Nonlinear Circuits and Systems, Integrated Sensors, MEMS and Systems on Chip, Nanoscale Circuits and Systems, Optoelectronic Circuits and Systems, Power Electronics and Systems Software for Analog-and-Logic Circuits and Systems Control aspects of Circuits and Systems.