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An integrated LC-VCO using an 8-shaped inductor for reduced EM radiation is presented. A low phase noise is measured at 1 MHz offset ranging from 134 to 128 dBc/Hz for carrier frequencies from 2.9 to 3.47 GHz, respectively. The coil is implemented with a double aluminium metal layer and presents a measured quality factor Q 20 at 3 GHz. The circuit is realised in a 40 GHz-fT 0.25 m BiCMOS technology. Power consumption is about 13.5 mW from a 1.8 V regulated supply voltage.
Published in:
Electronics Letters
(Volume:46
,
Issue:
2
)
Date of Publication: January 21 2010
- Page(s):
- 140 - 141
- ISSN :
- 0013-5194
- INSPEC Accession Number:
- 11072070
- Digital Object Identifier :
- 10.1049/el.2010.2323
- Product Type:
- Journals & Magazines
- Date of Current Version :
- 29 January 2010
- Issue Date :
- January 21 2010
- Sponsored by :
- Institution of Engineering and Technology
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