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A 12.5Gbps Dual Loop CDR with Multi-band VCO and Novel Frequency Band Switch

  • Harbin Institute of Technology

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

Abstract

A novel 12.5Gbps quarter rate CDR is presented in this paper. For lock acquisition depends on the frequency tracking loop (FLL loop) and recovered clock jitter depends on the phase tracking loop (PLL loop) without one impacting the other, the CDR gets both short lock acquisition and low clock jitter. Moreover, a novel frequency band switch (FBS) is proposed, which switches the band of VCO. Meanwhile, the FBS ensures proper switching of dual loops to prevent false locking, without another lock detector, reducing the power consumption. Realized in 55-nm CMOS technology, the CDR consumes 15.2mW with a 1.2V supply.

Original languageEnglish
Title of host publication2018 14th IEEE International Conference on Solid-State and Integrated Circuit Technology, ICSICT 2018 - Proceedings
EditorsTing-Ao Tang, Fan Ye, Yu-Long Jiang
PublisherInstitute of Electrical and Electronics Engineers Inc.
ISBN (Electronic)9781538644409
DOIs
StatePublished - 5 Dec 2018
Event14th IEEE International Conference on Solid-State and Integrated Circuit Technology, ICSICT 2018 - Qingdao, China
Duration: 31 Oct 20183 Nov 2018

Publication series

Name2018 14th IEEE International Conference on Solid-State and Integrated Circuit Technology, ICSICT 2018 - Proceedings

Conference

Conference14th IEEE International Conference on Solid-State and Integrated Circuit Technology, ICSICT 2018
Country/TerritoryChina
CityQingdao
Period31/10/183/11/18

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