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12 Bit Charge Redistribution Digital To Analog Converter For The Residence Time Fluxgate Magnetometer

Miguel Angel Alamillo-2010-01-01-DigitalCommons@UTEP (The University of Texas at El Paso)
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TL;DRAbstract

The continuous advances in CMOS VLSI technology have culminated in high speed, low voltage CMOS digital circuits with gate delays below 50 ps at 1.5 V supply. At the same time, high voltage analog signal processing has fallen behind to the high flexibility and high reliability of DSP. However, the main drawback of DSP is the need for high accuracy low distortion data converters and as a consequence of the persistent efforts of reducing size, cost and power of solid-state components the field of CMOS Mixed-Signal circuit design has become of the utmost importance.\nThe obvious functionality of data converters is to sample a signal (e.g. analog and transform it to a digital domain) and as such converters are extensively used within sensor systems to measure sound, vibration, current, voltage, magnetic field, temperature, light, imaging, acceleration and other physical quantities. A popular magnetic sensor or "magnetometer" is the fluxgate type, which uses a ferromagnetic core wounded by

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The continuous advances in CMOS VLSI technology have culminated in high speed, low voltage CMOS digital circuits with gate delays below 50 ps at 1.5 V supply. At the same time, high voltage analog signal processing has fallen behind to the high flexibility and high reliability of DSP. However, the main drawback of DSP is the need for high accuracy low distortion data converters and as a consequence of the persistent efforts of reducing size, cost and power of solid-state components the field of CMOS Mixed-Signal circuit design has become of the utmost importance.\nThe obvious functionality of data converters is to sample a signal (e.g. analog and transform it to a digital domain) and as such converters are extensively used within sensor systems to measure sound, vibration, current, voltage, magnetic field, temperature, light, imaging, acceleration and other physical quantities. A popular magnetic sensor or "magnetometer" is the fluxgate type, which uses a ferromagnetic core wounded by

Keywords

MagnetometerFluxgate compassElectrical engineeringRedistribution (election)Electronic engineeringPhysicsEngineeringMagnetic field

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