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A Novel Front-End Circuit for the Digital Conversion of QCM-D Responses for FPGA-Based Frequency Measurements

  • 2023
  • OriginalPaper
  • Chapter
Published in:
Authors
Tommaso Addabbo
Ada Fort
Elia Landi
Riccardo Moretti
Marco Mugnaini
Valerio Vignoli
Published in
Applications in Electronics Pervading Industry, Environment and Society
Publisher
Springer Nature Switzerland

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Abstract

This chapter introduces a novel front-end circuit designed to digitally convert QCM-D responses for FPGA-based frequency measurements. The Quartz Crystal Microbalance with Dissipation Monitoring (QCM-D) technique allows simultaneous measurement of resonance frequency and dissipation factor, but typically requires complex laboratory instrumentation. The proposed circuit addresses this challenge by converting the QCM-D transient response into a square wave, processable by digital hardware, while preserving the resonance frequency. The circuit includes an Automatic Gain Control (AGC) amplifying stage and a low-distortion mixer, interfaced with an FPGA via a high-speed optocoupler. Experimental results demonstrate improved frequency measurement accuracy and reduced error compared to classical sine-to-square converter architectures, highlighting the importance of proper analog pre-processing in digital frequency measurement systems.
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previous chapter Design and Implementation on FPGA of a HW Accelerator for Post-Quantum RLWE Polynomial Operations
next chapter A FPGA HardWare Architecture for AZSPWM Based on a Taylor Series Decomposition
Title
A Novel Front-End Circuit for the Digital Conversion of QCM-D Responses for FPGA-Based Frequency Measurements
Authors
Tommaso Addabbo
Ada Fort
Elia Landi
Riccardo Moretti
Marco Mugnaini
Valerio Vignoli
Copyright Year
2023
Book
Applications in Electronics Pervading Industry, Environment and Society

Print ISBN: 978-3-031-30332-6

Electronic ISBN: 978-3-031-30333-3

Copyright Year: 2023

DOI
https://doi.org/10.1007/978-3-031-30333-3_9
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