An 86.71875GHz RF transceiver for 57.8125Gb/s waveguide links with a CDR-assisted carrier synchronization loop in 28nm

  • Hanho Choi
  • , Ha Il Song
  • , Hyosup Won
  • , Junyoung Yoo
  • , Woohyun Kwon
  • , Huxian Jin
  • , Konan Kwon
  • , Cheongmin Lee
  • , Gain Kim
  • , Jake Eu
  • , Sean Park
  • , Hyeon Min Bae

Research output: Chapter in Book/Report/Conference proceedingConference contributionpeer-review

Abstract

This paper presents an 86. 71875GHz R transceiver IC featuring a fully integrated clock and data recovery (CDR)-assisted carrier synchronization loop for waveguide links. The IC fabricated in 28nm CMOS demonstrates 57. 8125Gb/s PAM-4 data transmission over a 1. 5m waveguide channel. The proposed carrier synchronization can be achieved only by using a base-band CDR without using power-and-area-hungry RF circuits. The test chip achieves the best figure of merit (FoM) of 3. 5pJ/b/m in terms of throughput-distance, and energy efficiency compared to the prior art.

Original languageEnglish
Title of host publicationESSCIRC 2023 - IEEE 49th European Solid State Circuits Conference
PublisherIEEE Computer Society
Pages181-184
Number of pages4
ISBN (Electronic)9798350304206
DOIs
StatePublished - 2023
Event49th IEEE European Solid State Circuits Conference, ESSCIRC 2023 - Lisbon, Portugal
Duration: 11 Sep 202314 Sep 2023

Publication series

NameEuropean Solid-State Circuits Conference
Volume2023-September
ISSN (Print)1930-8833

Conference

Conference49th IEEE European Solid State Circuits Conference, ESSCIRC 2023
Country/TerritoryPortugal
CityLisbon
Period11/09/2314/09/23

Bibliographical note

Publisher Copyright:
© 2023 IEEE.

Keywords

  • CDR
  • Phase-locked loop (PLL)
  • RF transceiver
  • Waveguide link
  • carrier synchronization

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