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Phase Noise in LC Oscillators: From Basic Concepts to Advanced Topologies

Wednesday, November 23, 2016 @ 2:00 PM - 3:00 PM

Wednesday November 23, 2016 at 2:10 p.m. Dr. Carlo Samori, Professor at Politecnico di Milano, Italy, will be presenting “Phase Noise in LC Oscillators: From Basic Concepts to Advanced Topologies”.

Speaker: Dr. Carlo Samori
Professor, Politecnico di Milano, Italy

Day & Time: Wednesday, November 23, 2016
2:10 p.m. – 3:10 p.m.

Location: BA 1240
Bahen Centre for Information Technology
University of Toronto

Contact: Dustin Dunwell

Organizer: Solid State Circuit Society

Abstract: Despite having been the subject of extensive study in last 20 years for the solid-state IC community, the phase noise in voltage-controlled oscillators (VCOs) is still today an important research subject. The main reason is that phase noise is one of the main issues encountered during the design of a transceiver whose understanding is an essential know-how for an RF designer. A second reason is that the intrinsic time-variant nature of VCOs makes these circuits difficult to analyze, therefore new topologies are often proposed, claiming advantages in term of phase noise and/or dissipation that in several cases are hard both to understand and verify without a direct implementation.

This lecture will start from the basics of LC VCOs and of phase noise. The phase noise will be calculated in basic topologies and the fundamental trade-off with power dissipation and tuning range will be highlighted. The lecture then will continue by presenting advance VCO topologies, showing how these circuits typically aim to enhance either the current or the voltage efficiency, in order to improve the phase noise vs. power dissipation trade-off.

Biography: Carlo Samori received the Ph.D. in electrical engineering in 1995, at the Politecnico di Milano, Italy, where he is now a professor. His research interests are in the area of RF circuits, in particular of design and analysis of VCOs and high performance frequency synthesizers. He has collaborated with several semiconductor companies. He is a co-author of more than 100 papers and of the book Integrated Frequency Synthesizers for Wireless Systems (Cambridge University Press, 2007). Prof. Samori has been a member of the Technical Program Committee of the IEEE International Solid-State Circuits Conference and he is a member of the European Solid-State Circuits Conference. He has been Guest Editor for the December 2014 issue of the Journal of Solid-State Circuits.


Wednesday, November 23, 2016
2:00 PM - 3:00 PM
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