Journal
NANO LETTERS
Volume 11, Issue 11, Pages 5054-5059Publisher
AMER CHEMICAL SOC
DOI: 10.1021/nl2031162
Keywords
Self-sustained oscillator; parametric; nanoelectromechanical systems (NEMS); improved frequency stability
Categories
Funding
- Defense Advanced Research Projects Agency Microsystems Technology Office through Department of Interior [FA8650-10-1-7029]
- European Commission [PIOF-GA-2008-220682]
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We describe and demonstrate a new oscillator topology, the parametric feedback oscillator (PFO). The PFO paradigm is applicable to a wide variety of nanoscale devices and opens the possibility of new classes of oscillators employing innovative frequencydeterminir g elements, such as nanoelectromechanical systems (NEMS), facilitating integration with circuitry and system-size reduction. We show that the PFO topology can also improve nanoscale oscillator performance by circumventing detrimental effects that are otherwise imposed by the strong device nonlinearity in this size regime.
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