Abstract
The harmonic signal generator utilizing sigma-delta modulation for capacitive pressure sensor measurement was designed in AMIS CMOS 0.7 mum technology. Harmonic signal generator is one of the important parts of complex measurement system for capacitive pressure sensor measurement. Whole capacitive measurement system is based on bandpass (BP) Sigma-Delta modulation. Phasing of harmonic signal and digital sampling signal is main requirement for proper function of capacitive pressure sensor measurement utilizing BP Sigma-Delta 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.
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