Referenced Items are not available for this document.
The dynamic equations governing the cross-coupled quadrature harmonic oscillator are derived assuming quasi-sinusoidal operation. This allows for an investigation of the previously reported tradeoff between close-to-carrier phase noise and quadrature precision. The results explain how nonlinearity in the coupling transconductances, in conjunction with a finite amplitude relaxation time and de-tuning of the individual oscillators, cause close-to-carrier AM-to-PM noise conversion. A discussion is presented of how the theoretic results translate into design rules for quadrature oscillator ICs. SPECTRE RF simulations verify the developed theory.
Published in:
Circuits and Systems I: Regular Papers, IEEE Transactions on
(Volume:52
,
Issue:
11
)
Date of Publication: Nov. 2005
- Page(s):
- 2276 - 2285
- ISSN :
- 1549-8328
- INSPEC Accession Number:
- 8650007
- Digital Object Identifier :
- 10.1109/TCSI.2005.853586
- Product Type:
- Journals & Magazines
- Date of Current Version :
- 07 November 2005
- Issue Date :
- Nov. 2005
- Sponsored by :
- IEEE Circuits and Systems Society
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