State-of-the-Art Timing References Using MEMS Resonator
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For decades, quartz crystal resonators have been used as precision timing
references in elecÂtronic devices. Tear apart any phone, digital camera, tablet, or laptop,
and you will find several quartz-based timing devices. In fact, several billion timing
devices are sold worldwide each year! However, quartz crystals are now being replaced
by silicon micro-electromechanical (MEMS) resonators. These tiny machines, smaller
than a human hair, are the building blocks for timing references accurate to better than
100 parts-per-billion, or the equivalent of 2 seconds per year. SiTime Corporation,
headquartered in Silicon Valley, is leading the silicon timing revolution with its game-
changing MEMS-based solutions. To date, SiTime has shipped over 250 million devices
to over 1000 different customers worldwide.
This talk will provide an overview of the existing quartz technology and introduce
SiTime's innovative MEMS-based timing technology. Much of the talk will be focused on
the technological innovations behind SiTime's newest product: the world's smallest and
best-in-class 32-kHz MEMS-based TCXO for mobile and wearable applications.
Dr. Carl Arft has been active in the MEMS field for over 15 years, both in academia
and at several Silicon Valley start-up companies. He is currently the Director of Systems
Engineering at SiTime Corporation, the world's leading producer of MEMS-based timing
devices. From 2004"“2006, he served as Faculty Fellow at the University of California,
Davis. Previously, he was involved with several optical MEMS start-up companies,
including C Speed Corporation and Newport Opticom.
Carl received the BS degree in Electrical Engineering from Michigan Tech University,
and the MS and PhD degrees in ElectriÂcal Engineering from University of California,