A 1.8-Ghz CMOS Fractional -N Frequency Synthesizer With Randomized Multiphase VCO
Heng, Chun Huat
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https://hdl.handle.net/2142/80836
Description
Title
A 1.8-Ghz CMOS Fractional -N Frequency Synthesizer With Randomized Multiphase VCO
Author(s)
Heng, Chun Huat
Issue Date
2003
Doctoral Committee Chair(s)
Song, Bang-Sup
Department of Study
Electrical Engineering
Discipline
Electrical Engineering
Degree Granting Institution
University of Illinois at Urbana-Champaign
Degree Name
Ph.D.
Degree Level
Dissertation
Keyword(s)
Engineering, Electronics and Electrical
Language
eng
Abstract
To demonstrate the concept, a fully integrated 1.8-GHz frequency synthesizer with randomized multiphase VCO was designed. The prototype, implemented in a standard 0.6-mum CMOS technology, achieves -118 dBc/Hz phase noise at 1-MHz offset and exhibits close-in phase noise between -80 and -90 dBc/Hz up to the PLL loop bandwidth. The synthesizer has a frequency resolution of 10 Hz and dissipates 52 mW from a 3.3-V supply.
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