High intermodulation gain in a micromechanical Duffing resonator

R. Almog; S. Zaitsev; O. Shtempluck; E. Buks

doi:10.1063/1.2207490

High intermodulation gain in a micromechanical Duffing resonator

R. Almog, S. Zaitsev, O. Shtempluck, E. Buks

Technion-Israel Institute of Technology

Research output: Contribution to journal › Article › peer-review

44 Scopus citations

Abstract

In this work we use a micromechanical resonator to experimentally study small signal amplification near the onset of Duffing bistability. The device consists of a PdAu beam serving as a micromechanical resonator excited by an adjacent gate electrode. A large pump signal drives the resonator near the onset of bistability, enabling amplification of small signals in a narrow bandwidth. To first order, the amplification is inversely proportional to the frequency difference between the pump and the signal. We estimate the gain to be about 15 dB for our device.

Original language	English
Article number	213509
Journal	Applied Physics Letters
Volume	88
Issue number	21
DOIs	https://doi.org/10.1063/1.2207490
State	Published - 21 May 2006
Externally published	Yes

Bibliographical note

Funding Information:
This work is supported by Intel Corp., by the Israel-US Binational Science Foundation (BSF Grant No. 2004362), and by Henri Gutwirth Fund. The authors wish to thank Bernard Yurke for helpful discussions.

Funding

This work is supported by Intel Corp., by the Israel-US Binational Science Foundation (BSF Grant No. 2004362), and by Henri Gutwirth Fund. The authors wish to thank Bernard Yurke for helpful discussions.

Funders	Funder number
Henri Gutwirth Fund
Intel Corp.
United States-Israel Binational Science Foundation	2004362

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abstract = "In this work we use a micromechanical resonator to experimentally study small signal amplification near the onset of Duffing bistability. The device consists of a PdAu beam serving as a micromechanical resonator excited by an adjacent gate electrode. A large pump signal drives the resonator near the onset of bistability, enabling amplification of small signals in a narrow bandwidth. To first order, the amplification is inversely proportional to the frequency difference between the pump and the signal. We estimate the gain to be about 15 dB for our device.",

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N2 - In this work we use a micromechanical resonator to experimentally study small signal amplification near the onset of Duffing bistability. The device consists of a PdAu beam serving as a micromechanical resonator excited by an adjacent gate electrode. A large pump signal drives the resonator near the onset of bistability, enabling amplification of small signals in a narrow bandwidth. To first order, the amplification is inversely proportional to the frequency difference between the pump and the signal. We estimate the gain to be about 15 dB for our device.

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High intermodulation gain in a micromechanical Duffing resonator

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