Referenced Items are not available for this document.
A 1-V 17-GHz 5-mW quadrature voltage-controlled oscillator (QVCO) based on transformer coupling is presented. Transformer coupling between two LC tank oscillators is proposed to achieve quadrature outputs with improved performance in terms of high frequency, wide tuning range, low phase noise, and low power as compared to existing active-coupling QVCOs. Implemented in a 0.18-mum CMOS process, the proposed QVCO measures a frequency tuning range of 16.5% at 17 GHz and phase noise of -110 dBc/Hz at 1 MHz offset while consuming 5 mA from a 1-V power supply and occupying a core area of 0.37 mm2.
Published in:
Solid-State Circuits, IEEE Journal of
(Volume:42
,
Issue:
9
)
Date of Publication: Sept. 2007
- Page(s):
- 1933 - 1941
- ISSN :
- 0018-9200
- INSPEC Accession Number:
- 9620533
- Digital Object Identifier :
- 10.1109/JSSC.2007.903057
- Product Type:
- Journals & Magazines
- Date of Current Version :
- 27 August 2007
- Issue Date :
- Sept. 2007
- Sponsored by :
- IEEE Solid-State Circuits Society
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