NDLI: A 78-microwatt GSM phase noise-compliant pierce oscillator referenced to a 61-MHz wine-glass disk resonator

Content Provider	IEEE Xplore Digital Library
Author	Thura Lin Naing Rocheleau, T.O. Alon, E. Nguyen, C.T.-C.
Copyright Year	2013
Description	Author affiliation: Dept. of Electr. Eng. & Comput. Sci., Univ. of California at Berkeley, Berkeley, CA, USA (Thura Lin Naing; Rocheleau, T.O.; Alon, E.; Nguyen, C.T.-C.)
Abstract	A 61-MHz Pierce oscillator referenced to a single polysilicon surface-micromachined wine-glass disk resonator has achieved phase noise marks of -119dBc/Hz at a 1-kHz offset and -139dBc/Hz at far-from-carrier offsets. When divided down to GSM's 13MHz, this corresponds to -132dBc/Hz at 1-kHz and -152dBc/Hz at far-from-carrier offsets, both of which satisfy GSM reference oscillator phase noise requirements. This Pierce oscillator achieves such performance using a single disk, not an array, while only consuming 78 microwatts of power, a reduction by a factor of ~4.5 compared with previous work. When power consumption is considered, this performance marks the best figure of merit at 1-kHz carrier offset among published on-chip oscillators to date. Such low phase noise and power consumption posted by a tiny MEMS device may soon become key enablers for low power “set-and-forget” autonomous sensor networks with substantial communication capability.
Sponsorship	IEEE Ultrason., Ferroelectr., Freq. Control Soc.
Starting Page	562
Ending Page	565
File Size	1639960
Page Count	4
File Format	PDF
DOI	10.1109/EFTF-IFC.2013.6702305
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2013-07-21
Publisher Place	Czech Republic
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Phase noise GSM Resonator Power demand Low power Micromechanical devices RF MEMS Oscillator MEMS Transistors Micromechanical Wine-glass disk Low phase noise
Content Type	Text
Resource Type	Article

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4	Project PI / Joint PI	Principal Investigator and Joint Principal Investigators of the project	Dr. B. Sutradhar bsutra@ndl.gov.in Prof. Saswat Chakrabarti will be added soon
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