How to Test Amplitude-Phase Response of Sensors and Circuits using Arduino DUE?

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SUMMARY

The discussion focuses on using the Arduino DUE to test the amplitude-phase response of sensors and circuits, specifically for resonance frequency detection based on zero phase crossing, with a frequency range of up to 250 kHz. The project aims to characterize piezoelectric sensors effectively. Participants share insights and challenges related to the design and implementation of this testing method.

PREREQUISITES
  • Understanding of Arduino DUE programming
  • Knowledge of amplitude-phase response concepts
  • Familiarity with resonance frequency detection techniques
  • Basic electronics principles related to sensors and circuits
NEXT STEPS
  • Research Arduino DUE libraries for signal processing
  • Explore zero phase crossing detection methods
  • Learn about piezoelectric sensor characteristics and applications
  • Investigate circuit design for high-frequency testing up to 250 kHz
USEFUL FOR

Electronics enthusiasts, engineers working with sensors, and developers interested in Arduino projects focused on signal analysis and testing methodologies.

MagicianT
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Arduino DUE based project for testing amplitude-phase response of the sensor or circuitry.
Resonance frequency detection based on zero phase crossing, range up to 250 kHz.

Check it out : https://coolarduino.wordpress.com/2014/12/24/lcq-meter-amplitude-phase-characterizer-piezo-tester/

https://coolarduino.files.wordpress.com/2014/12/twopeaks.jpeg
 
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Looks like a fun project. I skimmed some of the material at your link. Can you describe in a couple paragraphs here what your overall design goals were, and what challenges you encountered?