Multi-band VCO PLL with continuously maintained optimum VCO control voltage

Young Seok Park, Dae Hyun Kwon, K. C. Choi, Woo Young Choi

Research output: Contribution to journalArticle


A new architecture for a multi-band voltage-controlled oscillator (VCO) phase-locked loop (PLL) is presented, which can continuously maintain the optimum VCO sub-band and the VCO control voltage even with severe supply voltage variation. A prototype 2 GHz PLL with the new architecture is successfully demonstrated in 0.13 μm CMOS technology.

Original languageEnglish
Pages (from-to)857-859
Number of pages3
JournalElectronics Letters
Issue number12
Publication statusPublished - 2014 Jun 5


All Science Journal Classification (ASJC) codes

  • Electrical and Electronic Engineering

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