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Related Experiment Videos

Acceleration effects in crystal filters-a tutorial.

R C Smythe1

  • 1Piezo Technology Inc., Orlando, FL.

IEEE Transactions on Ultrasonics, Ferroelectrics, and Frequency Control
|January 1, 1992
PubMed
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A new dynamic method analyzes vibration-induced modulation in crystal filters, accurately predicting amplitude and phase changes. This method improves understanding of filter performance under acceleration, crucial for frequency source stability.

Area of Science:

  • Electrical Engineering
  • Acoustics
  • Signal Processing

Background:

  • Vibration can modulate crystal filter signals.
  • Existing quasi-static methods have limitations in analyzing these effects.

Purpose of the Study:

  • Introduce and validate a dynamic method for analyzing vibration-induced modulation in crystal filters.
  • Determine both amplitude and phase modulation caused by vibration.

Main Methods:

  • Treating the crystal filter as a linear network with time-varying elements.
  • Developing a dynamic analysis approach.
  • Illustrating the method with practical examples.

Main Results:

  • The dynamic method accurately determines amplitude and phase modulation.

Related Experiment Videos

  • Successfully applied to a spectrum clean-up scenario involving a frequency source and output filter under identical acceleration.

    • Conclusions:

    • The dynamic method offers a comprehensive approach to understanding vibration effects on crystal filters.
    • Essential for designing stable frequency sources in vibratory environments.