Digital Synchronization Utilizing Harmonic Signal Generator for Capacitive Pressure Sensor Measurement

Author

Fujcik, L. ; Vrba, R. ; Michaeli, L. ; Haze, J.

Author_Institution

Dept. of Microelectron., Brno Univ. of Technol., Brno

fYear

2008

fDate

13-18 April 2008

Firstpage

47

Lastpage

50

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.

Keywords

capacitive sensors; pressure sensors; sigma-delta modulation; signal generators; signal sampling; synchronisation; AMIS CMOS technology; Cadence BuildGates; Index Cadence Silicon Ensemble; VHDL; bandpass Sigma-Delta modulation; capacitive pressure sensor measurement; digital sampling; digital synchronization; harmonic signal generator; sigma-delta modulation; Ambient intelligence; CMOS technology; Capacitive sensors; Delta-sigma modulation; Digital modulation; Pressure measurement; Sampling methods; Sensor systems; Signal design; Signal generators; mixed analogdigital; sensors; sigma-delta modulation;

fLanguage

English

Publisher

ieee

Conference_Titel

Systems, 2008. ICONS 08. Third International Conference on

Conference_Location

Cancun

Print_ISBN

978-0-7695-3105-2

Electronic_ISBN

978-0-7695-3105-2

Type

conf

DOI

10.1109/ICONS.2008.60

Filename

4497095