Published October 11, 2014
| Published
Journal Article
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A self-correcting quadrature voltage controlled oscillator
- Creators
- Arai, Tomoyuki
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Hajimiri, Ali
Abstract
A self-correcting quadrature voltage controlled oscillator (QVCO) with phase correcting loop is proposed. It comprises the QVCO core and phase correcting loop, which corrects the quadrature phase error. Two LC VCOs, buffers, and phase shifters are coupled in circular configuration to achieve IQ symmetry. This paper introduces the idea of realizing QVCO with low phase noise and accurate quadrature phase by using the phase correcting loop. The simulation results based on the 65 nm CMOS process show that the self-correcting QVCO has a phase error less than 0.5° and 1 MHz offset phase noise of −120 dBc/Hz at 3.7 GHz with 49% tuning range.
Additional Information
© 2014 by The Institute of Electronics, Information and Communication Engineers. Released on J-STAGE October 11, 2014. [Advance Publication]. Released September 10, 2014. Received July 17, 2014. Accepted August 06, 2014.Attached Files
Published - 11_11.20140684.pdf
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11_11.20140684.pdf
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Additional details
- Eprint ID
- 53201
- Resolver ID
- CaltechAUTHORS:20150106-084828698
- Created
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2015-01-06Created from EPrint's datestamp field
- Updated
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2021-11-10Created from EPrint's last_modified field