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Third International Conference on Systems (icons 2008)
Digital Synchronization Utilizing Harmonic Signal Generator for Capacitive Pressure Sensor Measurement
April 13-April 18
ISBN: 978-0-7695-3105-2
The harmonic signal generator utilizing sigma-delta modulation for capacitive pressure sensor measurement was designed in AMIS CMOS 0.7 μm technology. Harmonic signal generator is a one of important parts of complex measurement system for capacitive pressure sensor measurement. Whole capacitive measurement system is based on bandpass (BP) Σ−Δ modulation. Phasing of harmonic signal and digital sampling signal is main requirement for proper function of capacitive pressure sensor measurement utilizing BP Σ−Δ modulator. Harmonic signal generator was designed using VHDL. Synthesis of digital synchronization utilizing harmonic signal generator was accomplished in Cadence BuildGates and implemented in Cadence Silicon Ensemble.
Index Terms:
sigma-delta modulation, sensors, mixed analogdigital
Citation:
L. Fujcik, R. Vrba, L. Michaeli, J. Haze, "Digital Synchronization Utilizing Harmonic Signal Generator for Capacitive Pressure Sensor Measurement," icons, pp.47-50, Third International Conference on Systems (icons 2008), 2008
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