Method and apparatus for generating a signal having at least one desired output frequency utilizing a bank of vibrating micromechanical devices
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United States of America Patent
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Jun 10, 2003
Issued Date -
N/A
app pub date -
Apr 20, 2001
filing date -
Jan 14, 1999
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Abstract
Several MEMS-based methods and architectures which utilize vibrating micromechanical resonators in circuits to implement filtering, mixing, frequency reference and amplifying functions are provided. A method and apparatus are shown for generating a signal having at least one desired output frequency such as LO frequency in an RF subsystem in response to a tuning voltage and without the need for a phase-locking circuit. One of the primary benefits of the use of such architectures is a savings in power consumption by trading power for high selectivity (i.e., high Q). Consequently, the present invention relies on the use of a large number of micromechanical links in SSI networks to implement signal processing functions with basically zero DC power consumption.
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