Simple odd number frequency divider with 50% duty cycle

Sangjin Byun, Chung Hwan Son, Jae Joon Kim

Research output: Contribution to journalArticlepeer-review

1 Scopus citations

Abstract

A simple odd number frequency divider with 50% duty cycle is presented. The odd number frequency divider consists of a general odd number counter and the proposed duty cycle trimming circuit. The duty cycle trimming circuit can output 50% duty cycle with only additional six transistors. A prototype divide-by-5 circuit with 50% duty cycle was implemented for a 500-Mb/s ~ 5.6-Gb/s 1:10 CDR/DEMUX IC in a 0.13 μm 1P8M CMOS process.

Original languageEnglish
Pages (from-to)1249-1253
Number of pages5
JournalIEICE Electronics Express
Volume9
Issue number15
DOIs
StatePublished - 2012

Keywords

  • Duty cycle
  • Odd number frequency divider

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