Comprehensive Noise Modeling of Piezoelectric Charge Accelerometer with Signal Conditioning Circuit
Abstract
:1. Introduction
2. Methodology
2.1. Circuit Modeling
2.2. Noise Modeling
2.2.1. Intrinsic Noise Sources from Accelerometer ( and )
2.2.2. Noise Sources Due to Resistors ()
2.2.3. Noise Sources Due to the JFET Operational Amplifier ()
3. Results and Discussion
4. Practical Considerations
5. Conclusions
Author Contributions
Funding
Data Availability Statement
Acknowledgments
Conflicts of Interest
Correction Statement
References
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Parameter | Value |
---|---|
Resonant frequency ‘fo’ | 30 KHz |
Mass ‘M’ | 3 × 10−4 Kg |
Quality factor ‘Q’ | 70 |
Charge Sensitivity ‘QPE’ | 1 pC/g |
Capacitance ‘CPE’ | 100 pF |
Dissipation factor ‘η’ | 0.02 |
Temperature ‘T’ | 300 K |
Operating frequency | 0.5 Hz to 10 KHz |
Parameter | Value |
---|---|
Ri | 45 KΩ |
R1 | 2.2 KΩ |
R2 | 1 Ω |
Cf | 32 pF |
Rf | 10 GΩ |
C2 | 100 uF |
V+ | 5 V |
V- | −5 V |
Aop | 1.2 × 106 |
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Ali, G.; Mohd-Yasin, F. Comprehensive Noise Modeling of Piezoelectric Charge Accelerometer with Signal Conditioning Circuit. Micromachines 2024, 15, 283. https://doi.org/10.3390/mi15020283
Ali G, Mohd-Yasin F. Comprehensive Noise Modeling of Piezoelectric Charge Accelerometer with Signal Conditioning Circuit. Micromachines. 2024; 15(2):283. https://doi.org/10.3390/mi15020283
Chicago/Turabian StyleAli, Ghulam, and Faisal Mohd-Yasin. 2024. "Comprehensive Noise Modeling of Piezoelectric Charge Accelerometer with Signal Conditioning Circuit" Micromachines 15, no. 2: 283. https://doi.org/10.3390/mi15020283