DIGITAL OSCILLATOR AND POWER SUPPLY CIRCUIT FOR AN EDDY CURRENT PROBE

A digital oscillator including an oscillator (40), a counter (41), a memory (42), a digital-to-analog converter (43) and a low-pass filter (44) is disclosed. The memory is able to store a complex signal directly, such that a real-time computing unit is no longer required. The oscillator is particula...

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1. Verfasser:	DE LEDINGHEN, EDOUARD
Format:	Patent
Sprache:	eng ; fre
Schlagworte:	BASIC ELECTRONIC CIRCUITRY CALCULATING COMPUTING COUNTING ELECTRIC DIGITAL DATA PROCESSING ELECTRICITY GENERATION OF NOISE BY SUCH CIRCUITS GENERATION OF OSCILLATIONS, DIRECTLY OR BY FREQUENCY-CHANGING,BY CIRCUITS EMPLOYING ACTIVE ELEMENTS WHICH OPERATE IN ANON-SWITCHING MANNER INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIRCHEMICAL OR PHYSICAL PROPERTIES MEASURING PHYSICS PULSE TECHNIQUE TESTING
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creator	DE LEDINGHEN, EDOUARD
description	A digital oscillator including an oscillator (40), a counter (41), a memory (42), a digital-to-analog converter (43) and a low-pass filter (44) is disclosed. The memory is able to store a complex signal directly, such that a real-time computing unit is no longer required. The oscillator is particularly suitable for eddy current measurements. La présente invention concerne un oscillateur numérique comprenant un oscillateur (40), un compteur (41), une mémoire (42), un convertisseur numérique-analogique (43) et un filtre passe-bas (44). La mémoire est apte à mémoriser directement un signal complexe, ce qui permet de ne pas utiliser une unité de calcul temps réel. Application notamment à la mesure par courants de Foucault.
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The memory is able to store a complex signal directly, such that a real-time computing unit is no longer required. The oscillator is particularly suitable for eddy current measurements. La présente invention concerne un oscillateur numérique comprenant un oscillateur (40), un compteur (41), une mémoire (42), un convertisseur numérique-analogique (43) et un filtre passe-bas (44). La mémoire est apte à mémoriser directement un signal complexe, ce qui permet de ne pas utiliser une unité de calcul temps réel. 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The memory is able to store a complex signal directly, such that a real-time computing unit is no longer required. The oscillator is particularly suitable for eddy current measurements. La présente invention concerne un oscillateur numérique comprenant un oscillateur (40), un compteur (41), une mémoire (42), un convertisseur numérique-analogique (43) et un filtre passe-bas (44). La mémoire est apte à mémoriser directement un signal complexe, ce qui permet de ne pas utiliser une unité de calcul temps réel. 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The memory is able to store a complex signal directly, such that a real-time computing unit is no longer required. The oscillator is particularly suitable for eddy current measurements. La présente invention concerne un oscillateur numérique comprenant un oscillateur (40), un compteur (41), une mémoire (42), un convertisseur numérique-analogique (43) et un filtre passe-bas (44). La mémoire est apte à mémoriser directement un signal complexe, ce qui permet de ne pas utiliser une unité de calcul temps réel. Application notamment à la mesure par courants de Foucault.</abstract><edition>6</edition><oa>free_for_read</oa></addata></record>
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subjects	BASIC ELECTRONIC CIRCUITRY CALCULATING COMPUTING COUNTING ELECTRIC DIGITAL DATA PROCESSING ELECTRICITY GENERATION OF NOISE BY SUCH CIRCUITS GENERATION OF OSCILLATIONS, DIRECTLY OR BY FREQUENCY-CHANGING,BY CIRCUITS EMPLOYING ACTIVE ELEMENTS WHICH OPERATE IN ANON-SWITCHING MANNER INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIRCHEMICAL OR PHYSICAL PROPERTIES MEASURING PHYSICS PULSE TECHNIQUE TESTING
title	DIGITAL OSCILLATOR AND POWER SUPPLY CIRCUIT FOR AN EDDY CURRENT PROBE
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