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Enhancement of VCO Linearity and Phase Noise by Implementing Frequency Locked Loop

Författare:
Publiceringsår: 2007
Språk: Engelska
Sidor: 2593-2599
Publikation/Tidskrift/Serie: EUROCON, 2007. The International Conference on "Computer as a Tool"
Dokumenttyp: Konferensbidrag

Sammanfattning

This paper investigates the on-chip implementation of a frequency locked loop (FLL) over a VCO that decreases the phase noise and linearizes the transfer function. Implementation of the FLL inside a PLL is also investigated and a possible application is highlighted. Design of a special kind of low noise frequency detector without a reference frequency (frequency-to-voltage converter), which is the most critical component of the FLL, is also presented in a 0.25 ¿m BiCMOS process. Linearization and approximately 15 dBc/Hz phase noise suppression is demonstrated over a moderate phase noise LC VCO with a center frequency of 10 GHz.

Disputation

Nyckelord

  • Technology and Engineering

Övriga

2014-09-10
Warsaw, Poland
Published
Yes
  • ISBN: 978-1-4244-0813-9

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