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A Fully-Differential Complementary Hartley VCO in 0.18 
m CMOS Technology
A Fully-Differential Complementary Hartley VCO in 0.18
In this letter, a new complementary Hartley (C-Hartley) voltage controlled oscillator (VCO) with fully differential outputs is proposed, in which the self-biasing configuration is introduced to solve the biasing difficulty of a Hartley VCO by employing a five-port transformer. The proposed C-Hartley VCO with the center frequency of 5.6 GHz is implemented in a 1P6M 0.18 μm CMOS process. The measurement result shows that the phase noise is -123.6 dBc/Hz at 1 MHz offset frequency, while dissipating 6.5 mA from 1.6 V supply with the FOM of -188.5 dBc.
Published in:
Microwave and Wireless Components Letters, IEEE
(Volume:20
,
Issue:
2
)
Date of Publication: Feb. 2010
- Page(s):
- 91 - 93
- ISSN :
- 1531-1309
- INSPEC Accession Number:
- 11105785
- Digital Object Identifier :
- 10.1109/LMWC.2009.2038521
- Product Type:
- Journals & Magazines
- Date of Publication :
- 22 January 2010
- Date of Current Version :
- 08 February 2010
- Issue Date :
- Feb. 2010
- Sponsored by :
- IEEE Microwave Theory and Techniques Society
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