A quad 0.6-3.2 Gb/s/channel interference-free CMOS transceiver for backplane serial link

Yongsam Moon, Young Soo Park, Namhoon Kim, Gijung Ahn, Hyun J. Shin, Deog Kyoon Jeong

Research output: Contribution to journalArticlepeer-review

8 Scopus citations

Abstract

A quad-channel 0.6-3.2 Gb/s/channnel transceiver using eight independent phase-locked loops (PLLs) shows a 1-ps rms random jitter performance without interchannel interference. The PLL employs a folded starved inverter with high supply/substrate noise immunity and an analog coarse-tuning scheme for both seamless frequency acquisition and N-fold voltage-controlled- oscillator (VCO) gain reduction. A fixed-interval charge pumping is adopted for wide pumping-current range and large jitter tolerance. A wide-range delayed-locked loop (DLL) is utilized as a clock and reset generator for an elastic buffer. The transceiver, implemented in a 0.18-μm CMOS technology, operates across a 30-in FR-4 backplane up to 3.2 Gb/s/ch with a bit-error rate of less than 10-13.

Original languageEnglish
Pages (from-to)795-803
Number of pages9
JournalIEEE Journal of Solid-State Circuits
Volume39
Issue number5
DOIs
StatePublished - May 2004

Keywords

  • Backplane transceiver
  • Clock and data recovery (CDR)
  • Coarse tuning
  • Delay-locked loop (DLL)
  • Folded starved inverter
  • Phase-locked loop (PLL)
  • Pre-emphasis
  • Serial link

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