{"id":5672,"date":"2024-12-04T11:11:00","date_gmt":"2024-12-04T11:11:00","guid":{"rendered":"https:\/\/knowhow.distrelec.com\/?p=5672"},"modified":"2024-12-05T09:53:31","modified_gmt":"2024-12-05T09:53:31","slug":"6-choses-a-savoir-sur-les-oscilloscopes","status":"publish","type":"post","link":"https:\/\/knowhow.distrelec.com\/fr\/maintenance-reparation-et-exploitation\/6-choses-a-savoir-sur-les-oscilloscopes\/","title":{"rendered":"Oscilloscopes : 6 choses essentielles \u00e0 conna\u00eetre"},"content":{"rendered":"<p>Les <a href=\"https:\/\/www.distrelec.biz\/en\/test-measurement\/oscilloscopes\/c\/cat-DNAV_1309\" target=\"_blank\" rel=\"noreferrer noopener\">oscilloscopes<\/a> sont des outils de test indispensables pour les ing\u00e9nieurs et les techniciens, permettant de visualiser et d\u2019analyser les formes d\u2019ondes \u00e9lectriques. Gr\u00e2ce \u00e0 leur capacit\u00e9 \u00e0 d\u00e9tecter rapidement les anomalies dans un circuit \u00e9lectronique, ils jouent un r\u00f4le cl\u00e9 dans la fabrication, l\u2019entretien et la r\u00e9paration des appareils \u00e9lectroniques.<\/p>\n\n<h2 id=\"1-quest-ce-quun-oscilloscope\" class=\"wp-block-heading\">1. Qu&rsquo;est-ce qu&rsquo;un oscilloscope ?<\/h2>\n\n<p>Un oscilloscope est un instrument de mesure con\u00e7u pour visualiser et analyser les formes d\u2019onde des signaux \u00e9lectriques. Il repr\u00e9sente g\u00e9n\u00e9ralement les signaux de courant alternatif (AC) ou de courant continu puls\u00e9 (DC) sous forme de graphique. Sur cet affichage, le temps s\u2019\u00e9tend horizontalement, de gauche \u00e0 droite, tandis que la tension instantan\u00e9e est repr\u00e9sent\u00e9e verticalement.<\/p>\n\n<h2 id=\"2-comment-fonctionne-un-oscilloscope\" class=\"wp-block-heading\">2. Comment fonctionne un oscilloscope ?<\/h2>\n\n<figure class=\"wp-block-image size-large\"><img  loading=\"lazy\"  decoding=\"async\"  height=\"683\"  width=\"1024\"  src=\"data:image\/png;base64,iVBORw0KGgoAAAANSUhEUgAABAAAAAKrAQMAAABV2G3XAAAAA1BMVEUAAP+KeNJXAAAAAXRSTlMAQObYZgAAAAlwSFlzAAAOxAAADsQBlSsOGwAAAGxJREFUeNrtwTEBAAAAwqD1T20MH6AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAOBtYOgAB23VbnQAAAABJRU5ErkJggg==\"  alt=\"\"  class=\"wp-image-78419 pk-lazyload\"  data-pk-sizes=\"auto\"  data-ls-sizes=\"auto, (max-width: 1024px) 100vw, 1024px\"  data-pk-src=\"https:\/\/knowhow.distrelec.com\/wp-content\/uploads\/2024\/11\/GettyImages-503881161-1024x683.jpg\"  data-pk-srcset=\"https:\/\/knowhow.distrelec.com\/wp-content\/uploads\/2024\/11\/GettyImages-503881161-1024x683.jpg 1024w, https:\/\/knowhow.distrelec.com\/wp-content\/uploads\/2024\/11\/GettyImages-503881161-300x200.jpg 300w, https:\/\/knowhow.distrelec.com\/wp-content\/uploads\/2024\/11\/GettyImages-503881161-768x512.jpg 768w, https:\/\/knowhow.distrelec.com\/wp-content\/uploads\/2024\/11\/GettyImages-503881161-1536x1024.jpg 1536w, https:\/\/knowhow.distrelec.com\/wp-content\/uploads\/2024\/11\/GettyImages-503881161-2048x1365.jpg 2048w, https:\/\/knowhow.distrelec.com\/wp-content\/uploads\/2024\/11\/GettyImages-503881161-380x253.jpg 380w, https:\/\/knowhow.distrelec.com\/wp-content\/uploads\/2024\/11\/GettyImages-503881161-550x367.jpg 550w, https:\/\/knowhow.distrelec.com\/wp-content\/uploads\/2024\/11\/GettyImages-503881161-800x533.jpg 800w, https:\/\/knowhow.distrelec.com\/wp-content\/uploads\/2024\/11\/GettyImages-503881161-1160x773.jpg 1160w, https:\/\/knowhow.distrelec.com\/wp-content\/uploads\/2024\/11\/GettyImages-503881161.jpg 2121w\" ><\/figure>\n\n<p>Les oscilloscopes permettent de mesurer et d\u2019analyser les caract\u00e9ristiques li\u00e9es au temps et \u00e0 la tension :<\/p>\n\n<h3 id=\"temps\" class=\"wp-block-heading\">Temps\u00a0:<\/h3>\n\n<h4 id=\"frequence-et-periode\" class=\"wp-block-heading\">Fr\u00e9quence et p\u00e9riode<\/h4>\n\n<p>La fr\u00e9quence correspond au nombre de r\u00e9p\u00e9titions d&rsquo;une forme d&rsquo;onde par seconde, tandis que la p\u00e9riode repr\u00e9sente la dur\u00e9e d&rsquo;une seule r\u00e9p\u00e9tition en secondes.<\/p>\n\n<h4 id=\"rapport-cyclique\" class=\"wp-block-heading\">Rapport cyclique<\/h4>\n\n<p>Le rapport cyclique repr\u00e9sente le pourcentage d&rsquo;une p\u00e9riode durant laquelle un signal est actif (positif ou n\u00e9gatif). Exprim\u00e9 sous forme de ratio, il indique la proportion de temps o\u00f9 le signal est \u00ab allum\u00e9 \u00bb par rapport au temps o\u00f9 il est \u00ab \u00e9teint \u00bb au cours d&rsquo;une p\u00e9riode donn\u00e9e.<\/p>\n\n<h4 id=\"temps-de-montee-et-de-descente\" class=\"wp-block-heading\">Temps de mont\u00e9e et de descente<\/h4>\n\n<p>Lorsqu&rsquo;un signal passe d&rsquo;un niveau bas \u00e0 un niveau haut, on parle de temps de mont\u00e9e. Inversement, lorsqu&rsquo;il descend d&rsquo;un niveau haut \u00e0 un niveau bas, on \u00e9voque le temps de descente. La mesure de ces transitions est cruciale pour \u00e9valuer la vitesse de r\u00e9ponse d&rsquo;un circuit aux signaux.<\/p>\n\n<h3 id=\"tension\" class=\"wp-block-heading\">Tension :<\/h3>\n\n<h4 id=\"amplitude\" class=\"wp-block-heading\">Amplitude<\/h4>\n\n<p>L&rsquo;amplitude mesure l&rsquo;ampleur d&rsquo;un signal. L&rsquo;amplitude cr\u00eate \u00e0 cr\u00eate correspond \u00e0 la diff\u00e9rence absolue entre le point de tension le plus \u00e9lev\u00e9 et le point de tension le plus bas d&rsquo;un signal. En revanche, l&rsquo;amplitude de cr\u00eate ne prend en compte que l&rsquo;intensit\u00e9 du signal au-dessus de 0V.<\/p>\n\n<h4 id=\"tensions-maximales-et-minimales\" class=\"wp-block-heading\">Tensions maximales et minimales<\/h4>\n\n<p>Les oscilloscopes permettent de mesurer avec pr\u00e9cision le niveau de tension d&rsquo;un signal.<\/p>\n\n<h4 id=\"tension-moyenne\" class=\"wp-block-heading\">Tension moyenne<\/h4>\n\n<p>Il s&rsquo;agit du calcul de la moyenne d&rsquo;un signal dans son ensemble, ou bien de la moyenne de la tension maximale et minimale d&rsquo;un signal.<\/p>\n\n<h2 id=\"3-a-quoi-sert-un-oscilloscope\" class=\"wp-block-heading\">3. \u00c0 quoi sert un oscilloscope ?<\/h2>\n\n<p>Id\u00e9als pour les tests, le d\u00e9pannage et la recherche, les oscilloscopes permettent de suivre l&rsquo;\u00e9volution des signaux dans les circuits au fil du temps, d&rsquo;examiner les cartes de circuits imprim\u00e9s (CI), et d&rsquo;identifier les d\u00e9fauts, les erreurs de synchronisation et les probl\u00e8mes d&rsquo;E\/S. Tous les oscilloscopes mesurent la tension et le temps, mais associ\u00e9s \u00e0 un transducteur (qui convertit un type d&rsquo;\u00e9nergie en un autre), ils peuvent mesurer presque n&rsquo;importe quel param\u00e8tre. <br \/><br \/>Gr\u00e2ce \u00e0 leur grande polyvalence, les oscilloscopes sont des outils essentiels pour de nombreux professionnels, notamment les techniciens automobiles, les chercheurs en laboratoire, les fabricants de t\u00e9l\u00e9phones portables et les ing\u00e9nieurs des secteurs militaire et a\u00e9ronautique. Ils sont \u00e9galement utilis\u00e9s pour les tests de conformit\u00e9, lorsque des produits doivent respecter des normes sp\u00e9cifiques.<br \/><br \/> Faciles \u00e0 utiliser, les oscilloscopes sont disponibles dans une large gamme de mod\u00e8les, offrant des fonctionnalit\u00e9s de base ou plus avanc\u00e9es, ce qui les rend adapt\u00e9s tant aux professionnels qu&rsquo;aux particuliers.<\/p>\n\n<h2 id=\"4-a-quoi-ressemble-un-oscilloscope\" class=\"wp-block-heading\">4. \u00c0 quoi ressemble un oscilloscope ?<\/h2>\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-large\"><img  loading=\"lazy\"  decoding=\"async\"  width=\"600\"  height=\"336\"  src=\"data:image\/png;base64,iVBORw0KGgoAAAANSUhEUgAAAlgAAAFQAQMAAABZE5JvAAAAA1BMVEUAAP+KeNJXAAAAAXRSTlMAQObYZgAAAAlwSFlzAAAOxAAADsQBlSsOGwAAAC9JREFUeNrtwQEBAAAAgiD\/r25IQAEAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAMCvAWPAAAF0SWEMAAAAAElFTkSuQmCC\"  alt=\"\"  class=\"wp-image-2846 pk-lazyload\"  data-pk-sizes=\"auto\"  data-ls-sizes=\"auto, (max-width: 600px) 100vw, 600px\"  data-pk-src=\"https:\/\/knowhowprod.wpengine.com\/wp-content\/uploads\/2021\/06\/1075384-01.jpg\"  data-pk-srcset=\"https:\/\/knowhow.distrelec.com\/wp-content\/uploads\/2021\/06\/1075384-01.jpg 600w, https:\/\/knowhow.distrelec.com\/wp-content\/uploads\/2021\/06\/1075384-01.jpg?resize=300,168 300w, https:\/\/knowhow.distrelec.com\/wp-content\/uploads\/2021\/06\/1075384-01.jpg?resize=380,213 380w, https:\/\/knowhow.distrelec.com\/wp-content\/uploads\/2021\/06\/1075384-01.jpg?resize=550,308 550w\" ><\/figure><\/div>\n<p>Les oscilloscopes num\u00e9riques disposent de plusieurs caract\u00e9ristiques visibles sur le panneau avant, telles que :<\/p>\n\n<ul class=\"wp-block-list\">\n<li><strong>Affichage<\/strong> \u2013 Il occupe une grande partie de l&rsquo;avant de l&rsquo;oscilloscope et sert \u00e0 afficher la forme d&rsquo;onde. Les \u00e9crans plus grands offrent une meilleure visibilit\u00e9, permettant \u00e0 l&rsquo;utilisateur de suivre plus facilement les diff\u00e9rents aspects de la forme d&rsquo;onde.<\/li>\n\n\n\n<li><strong>Connecteurs<\/strong> \u2013 Le panneau avant de l&rsquo;oscilloscope comporte plusieurs connecteurs permettant de brancher les entr\u00e9es de chaque voie. De nombreux oscilloscopes sont \u00e9quip\u00e9s de plusieurs voies, la plupart offrant deux voies, ce qui permet d&rsquo;afficher simultan\u00e9ment deux signaux et ainsi d&rsquo;effectuer des comparaisons.<\/li>\n\n\n\n<li><strong>Commandes<\/strong> \u2013 Elles incluent les \u00e9l\u00e9ments suivants :\n<ul class=\"wp-block-list\">\n<li>Gain vertical \/ Sensibilit\u00e9 d&rsquo;entr\u00e9e du signal : mesur\u00e9 en V\/cm, o\u00f9 chaque division verticale correspond \u00e0 une valeur sp\u00e9cifique en volts.<\/li>\n\n\n\n<li>Base temporelle : elle ajuste la vitesse \u00e0 laquelle la trace se d\u00e9place horizontalement \u00e0 travers l&rsquo;\u00e9cran.<\/li>\n\n\n\n<li>D\u00e9clenchement : il permet de stabiliser les formes d&rsquo;onde r\u00e9p\u00e9titives, assurant ainsi une visualisation claire et stable. Les diff\u00e9rents types de syst\u00e8mes de d\u00e9clenchement incluent le d\u00e9clenchement sur front, le d\u00e9clenchement sur seuil, le d\u00e9clenchement sur pente et le d\u00e9clenchement sur impulsion, chacun \u00e9tant con\u00e7u pour r\u00e9pondre \u00e0 des conditions sp\u00e9cifiques.<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n\n<h2 id=\"5-elements-a-considerer-lors-du-choix-dun-oscilloscope\" class=\"wp-block-heading\">5. \u00c9l\u00e9ments \u00e0 consid\u00e9rer lors du choix d&rsquo;un oscilloscope<\/h2>\n\n<p>Avec la grande vari\u00e9t\u00e9 d&rsquo;oscilloscopes disponibles sur le march\u00e9, choisir le mod\u00e8le le plus adapt\u00e9 \u00e0 votre application peut s&rsquo;av\u00e9rer complexe. Plusieurs facteurs doivent \u00eatre pris en compte pour s\u00e9lectionner l&rsquo;appareil qui r\u00e9pondra le mieux \u00e0 vos besoins :<\/p>\n\n<h3 id=\"type-doscilloscope\" class=\"wp-block-heading\">Type d&rsquo;oscilloscope<\/h3>\n\n<p>Le mode d\u2019utilisation de l\u2019oscilloscope d\u00e9terminera le mod\u00e8le le plus adapt\u00e9 \u00e0 vos besoins. Disponible en versions de <a href=\"https:\/\/www.distrelec.biz\/en\/test-measurement\/oscilloscopes\/benchtop-oscilloscopes\/c\/cat-DNAV_PL_140903?queryFromSuggest=true\" target=\"_blank\" rel=\"noreferrer noopener\">table<\/a>, <a href=\"https:\/\/www.distrelec.biz\/en\/test-measurement\/oscilloscopes\/handheld-oscilloscopes\/c\/cat-DNAV_PL_140904?queryFromSuggest=true\" target=\"_blank\" rel=\"noreferrer noopener\">portable<\/a> et <a href=\"https:\/\/www.distrelec.biz\/en\/test-measurement\/oscilloscopes\/pc-based-oscilloscopes\/c\/cat-DNAV_PL_140909?queryFromSuggest=true\" target=\"_blank\" rel=\"noreferrer noopener\">sur PC<\/a>, la portabilit\u00e9 et la taille peuvent \u00eatre des crit\u00e8res essentiels selon l\u2019application pr\u00e9vue.<\/p>\n\n<h3 id=\"bande-passante\" class=\"wp-block-heading\">Bande passante<\/h3>\n\n<p>\u00c9tant donn\u00e9 que la gamme de fr\u00e9quences mesur\u00e9es par un oscilloscope peut varier consid\u00e9rablement, il est crucial que les professionnels de la maintenance s&rsquo;assurent que l&rsquo;appareil choisi dispose d&rsquo;une largeur de bande appropri\u00e9e. La largeur de bande n\u00e9cessaire d\u00e9pendra de l\u2019utilisation pr\u00e9vue, et peut varier de 50 MHz \u00e0 100 GHz.<\/p>\n\n<h3 id=\"taux-dechantillonnage\" class=\"wp-block-heading\">Taux d&rsquo;\u00e9chantillonnage<\/h3>\n\n<p>Le taux d\u2019\u00e9chantillonnage d\u00e9signe le nombre d\u2019\u00e9chantillons qu\u2019un oscilloscope peut acqu\u00e9rir par seconde. Les appareils ayant un taux d\u2019\u00e9chantillonnage plus \u00e9lev\u00e9 permettront d&rsquo;afficher la forme d\u2019onde de mani\u00e8re plus nette et pr\u00e9cise.\u00a0<\/p>\n\n<h3 id=\"integrite-du-signal\" class=\"wp-block-heading\">Int\u00e9grit\u00e9 du signal<\/h3>\n\n<p>L\u2019int\u00e9grit\u00e9 du signal d\u2019un oscilloscope fait r\u00e9f\u00e9rence \u00e0 sa capacit\u00e9 \u00e0 repr\u00e9senter la forme d\u2019onde avec exactitude. La pr\u00e9cision des mesures d\u00e9pend largement de la mani\u00e8re dont l\u2019oscilloscope est utilis\u00e9.\u00a0<\/p>\n\n<h3 id=\"canaux\" class=\"wp-block-heading\">Canaux<\/h3>\n\n<p>Les oscilloscopes disposent d&rsquo;entr\u00e9es qui peuvent \u00eatre analogiques ou num\u00e9riques. En g\u00e9n\u00e9ral, un oscilloscope poss\u00e8de entre 2 et 4 canaux analogiques.\u00a0<\/p>\n\n<h3 id=\"compatibilite-des-sondes\" class=\"wp-block-heading\">Compatibilit\u00e9 des sondes<\/h3>\n\n<p>Les <a href=\"https:\/\/www.distrelec.biz\/en\/test-measurement\/test-leads-test-probes\/oscilloscope-test-probes-voltage-frequency\/c\/cat-DNAV_PL_141503?queryFromSuggest=true\" target=\"_blank\" rel=\"noreferrer noopener\">sondes d&rsquo;oscilloscope<\/a> servent \u00e0 connecter les oscilloscopes aux appareils \u00e0 tester. Avec un large choix de sondes disponibles (actives et passives), il devient de plus en plus important de s&rsquo;assurer que l&rsquo;oscilloscope est compatible avec le type de sonde n\u00e9cessaire pour des tests sp\u00e9cifiques.<\/p>\n\n<figure class=\"wp-block-image size-large\"><img  loading=\"lazy\"  decoding=\"async\"  width=\"600\"  height=\"336\"  src=\"data:image\/png;base64,iVBORw0KGgoAAAANSUhEUgAAAlgAAAFQAQMAAABZE5JvAAAAA1BMVEUAAP+KeNJXAAAAAXRSTlMAQObYZgAAAAlwSFlzAAAOxAAADsQBlSsOGwAAAC9JREFUeNrtwQEBAAAAgiD\/r25IQAEAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAMCvAWPAAAF0SWEMAAAAAElFTkSuQmCC\"  alt=\"\"  class=\"wp-image-2847 pk-lazyload\"  data-pk-sizes=\"auto\"  data-ls-sizes=\"auto, (max-width: 600px) 100vw, 600px\"  data-pk-src=\"https:\/\/knowhowprod.wpengine.com\/wp-content\/uploads\/2021\/06\/tektronix-p5100a.jpg\"  data-pk-srcset=\"https:\/\/knowhow.distrelec.com\/wp-content\/uploads\/2021\/06\/tektronix-p5100a.jpg 600w, https:\/\/knowhow.distrelec.com\/wp-content\/uploads\/2021\/06\/tektronix-p5100a.jpg?resize=300,168 300w, https:\/\/knowhow.distrelec.com\/wp-content\/uploads\/2021\/06\/tektronix-p5100a.jpg?resize=380,213 380w, https:\/\/knowhow.distrelec.com\/wp-content\/uploads\/2021\/06\/tektronix-p5100a.jpg?resize=550,308 550w\" ><\/figure>\n\n<div class=\"wp-block-buttons is-content-justification-center is-layout-flex wp-container-core-buttons-is-layout-16018d1d wp-block-buttons-is-layout-flex\">\n<div class=\"wp-block-button\"><a class=\"wp-block-button__link has-red-background-color has-background wp-element-button\" href=\"https:\/\/www.distrelec.biz\/en\/test-measurement\/test-leads-test-probes\/oscilloscope-test-probes-voltage-frequency\/c\/cat-DNAV_PL_141503\" target=\"_blank\" rel=\"noreferrer noopener\"><strong>Parcourir nos sondes d&rsquo;oscilloscope<\/strong><\/a><\/div>\n<\/div>\n\n<h3 id=\"applications\" class=\"wp-block-heading\"><br \/>Applications<\/h3>\n\n<p>Pour tester les circuits \u00e9lectriques et isoler les erreurs, les applications d&rsquo;analyse des signaux, de d\u00e9codage des protocoles et de test de conformit\u00e9 peuvent optimiser l&rsquo;utilisation des oscilloscopes. Cependant, comme tous les oscilloscopes ne sont pas compatibles avec toutes les applications, il est essentiel de v\u00e9rifier les applications compatibles afin de s&rsquo;assurer que votre appareil peut prendre en charge la technologie dont vous avez besoin.<\/p>\n\n<h3 id=\"fonctionnalites-supplementaires\" class=\"wp-block-heading\">Fonctionnalit\u00e9s suppl\u00e9mentaires<\/h3>\n\n<p>Les oscilloscopes modernes offrent souvent une gamme de fonctionnalit\u00e9s suppl\u00e9mentaires en plus de leurs capacit\u00e9s standard. Selon l&rsquo;utilisation pr\u00e9vue de l&rsquo;appareil, certaines de ces fonctionnalit\u00e9s peuvent \u00eatre particuli\u00e8rement utiles, voire essentielles. Parmi celles-ci, on peut citer :<\/p>\n\n<ul class=\"wp-block-list\">\n<li>Possibilit\u00e9 de stocker des formes d&rsquo;onde pour une consultation ult\u00e9rieure<\/li>\n\n\n\n<li>Possibilit\u00e9 d&rsquo;afficher plusieurs formes d&rsquo;onde simultan\u00e9ment pour faciliter la comparaison<\/li>\n\n\n\n<li>Analyse de spectre pour examiner les fr\u00e9quences des signaux et d\u00e9tecter d&rsquo;\u00e9ventuelles anomalies<\/li>\n\n\n\n<li>Compatibilit\u00e9 avec plusieurs syst\u00e8mes d&rsquo;exploitation diff\u00e9rents<\/li>\n\n\n\n<li>Affichages multicolores<\/li>\n\n\n\n<li>Possibilit\u00e9 de zoomer et de d\u00e9zoomer pour une analyse plus pr\u00e9cise<\/li>\n\n\n\n<li>Options d&rsquo;alimentation sur batterie<\/li>\n<\/ul>\n\n<h2 id=\"6-produits-recommandes\" class=\"wp-block-heading\">6. Produits recommand\u00e9s :<\/h2>\n\n<p><a href=\"https:\/\/www.distrelec.biz\/en\/\" target=\"_blank\" rel=\"noreferrer noopener\">Distrelec<\/a> propose \u00e0 la vente une large gamme d&rsquo;oscilloscopes issus de fabricants renomm\u00e9s tels que Keysight, Tektronix et Rohde &amp; Schwarz.\u00a0<\/p>\n\n<h3 id=\"oscilloscopes-tektronix\" class=\"wp-block-heading\">Oscilloscopes Tektronix<\/h3>\n\n<p><a href=\"https:\/\/www.distrelec.biz\/en\/manufacturer\/tektronix\/man_tek?queryFromSuggest=true\" target=\"_blank\" rel=\"noreferrer noopener\">Tektronix<\/a> est un fournisseur de premier plan d&rsquo;oscilloscopes de haute qualit\u00e9, r\u00e9put\u00e9s pour leur fiabilit\u00e9 et leur performance. Tous les oscilloscopes de la marque b\u00e9n\u00e9ficient d&rsquo;une expertise in\u00e9gal\u00e9e, de composants de qualit\u00e9 sup\u00e9rieure et d&rsquo;un processus de contr\u00f4le rigoureux, quel que soit leur prix.<\/p>\n\n<p>Les oscilloscopes Tektronix int\u00e8grent des technologies de pointe pour maximiser les performances, am\u00e9liorer la pr\u00e9cision et \u00e9largir les capacit\u00e9s, offrant ainsi aux utilisateurs les meilleurs r\u00e9sultats possibles. D\u00e9couvrez les performances exceptionnelles de l&rsquo;oscilloscope \u00e0 signaux mixtes MSO de la s\u00e9rie 4 de Tektronix dans la vid\u00e9o ci-dessous :<\/p>\n\n<figure class=\"wp-block-embed is-type-rich is-provider-embed-handler wp-block-embed-embed-handler wp-embed-aspect-16-9 wp-has-aspect-ratio\"><div class=\"wp-block-embed__wrapper\"> https:\/\/www.youtube.com\/embed\/3PAWgBLJu50 <\/div><\/figure>\n\n<div class=\"wp-block-columns is-layout-flex wp-container-core-columns-is-layout-9d6595d7 wp-block-columns-is-layout-flex\">\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\">\n<p><strong>Oscilloscope \u00e0 signaux mixtes, 4x 1GHz, 6.25 GSPS<\/strong><\/p>\n\n\n\n<p>L&rsquo;oscilloscope MSO s\u00e9rie 4 offre une meilleure visibilit\u00e9 des syst\u00e8mes complexes gr\u00e2ce \u00e0 des mod\u00e8les \u00e0 quatre et six voies, ainsi qu&rsquo;un \u00e9cran haute d\u00e9finition (1 920 x 1 080) de 13,3 pouces. Il se distingue par sa convivialit\u00e9, avec une interface intuitive et un \u00e9cran tactile capacitif.<\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><img  loading=\"lazy\"  decoding=\"async\"  width=\"1020\"  height=\"570\"  src=\"data:image\/png;base64,iVBORw0KGgoAAAANSUhEUgAAA\/wAAAI6AQMAAACgqdGlAAAAA1BMVEUAAP+KeNJXAAAAAXRSTlMAQObYZgAAAAlwSFlzAAAOxAAADsQBlSsOGwAAAF1JREFUeNrtwQEBAAAAgiD\/r25IQAEAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAvBsfSQABeZS+xAAAAABJRU5ErkJggg==\"  alt=\"\"  class=\"wp-image-2849 pk-lazyload\"  data-pk-sizes=\"auto\"  data-ls-sizes=\"auto, (max-width: 1020px) 100vw, 1020px\"  data-pk-src=\"https:\/\/knowhowprod.wpengine.com\/wp-content\/uploads\/2021\/06\/Tektronix-MSO44-4-BW-1000-30145100-01.jpg\"  data-pk-srcset=\"https:\/\/knowhow.distrelec.com\/wp-content\/uploads\/2021\/06\/Tektronix-MSO44-4-BW-1000-30145100-01.jpg 1020w, https:\/\/knowhow.distrelec.com\/wp-content\/uploads\/2021\/06\/Tektronix-MSO44-4-BW-1000-30145100-01.jpg?resize=300,168 300w, https:\/\/knowhow.distrelec.com\/wp-content\/uploads\/2021\/06\/Tektronix-MSO44-4-BW-1000-30145100-01.jpg?resize=768,429 768w, https:\/\/knowhow.distrelec.com\/wp-content\/uploads\/2021\/06\/Tektronix-MSO44-4-BW-1000-30145100-01.jpg?resize=380,212 380w, https:\/\/knowhow.distrelec.com\/wp-content\/uploads\/2021\/06\/Tektronix-MSO44-4-BW-1000-30145100-01.jpg?resize=550,307 550w, https:\/\/knowhow.distrelec.com\/wp-content\/uploads\/2021\/06\/Tektronix-MSO44-4-BW-1000-30145100-01.jpg?resize=800,447 800w\" ><\/figure>\n\n\n\n<div class=\"wp-block-buttons is-horizontal is-content-justification-center is-layout-flex wp-container-core-buttons-is-layout-499968f5 wp-block-buttons-is-layout-flex\">\n<div class=\"wp-block-button is-style-fill\"><a class=\"wp-block-button__link has-red-background-color has-background wp-element-button\" href=\"https:\/\/www.distrelec.ch\/p\/30145100?q=Mixed+Signal+Oscilloscope%2c+4x+1GHz%2c+6.25+GSPS&amp;pos=3&amp;origPos=3&amp;origPageSize=10&amp;track=true\" target=\"_blank\" rel=\"noreferrer noopener\">D\u00e9couvrir<\/a><\/div>\n<\/div>\n<\/div>\n\n\n\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\">\n<p><strong>Oscilloscope, 4x 200MHz, 2 G\u00e9ch\/s<\/strong><\/p>\n\n\n\n<p>La s\u00e9rie TBS2000B est facile \u00e0 utiliser et permet un apprentissage rapide. \u00c9quip\u00e9e d&rsquo;un \u00e9cran couleur WVGA de 9 pouces, de 10 divisions verticales et de 15 divisions horizontales, elle offre aux utilisateurs une meilleure visibilit\u00e9 de leur signal et des r\u00e9sultats des mesures.<\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><img  loading=\"lazy\"  decoding=\"async\"  width=\"1020\"  height=\"570\"  src=\"data:image\/png;base64,iVBORw0KGgoAAAANSUhEUgAAA\/wAAAI6AQMAAACgqdGlAAAAA1BMVEUAAP+KeNJXAAAAAXRSTlMAQObYZgAAAAlwSFlzAAAOxAAADsQBlSsOGwAAAF1JREFUeNrtwQEBAAAAgiD\/r25IQAEAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAvBsfSQABeZS+xAAAAABJRU5ErkJggg==\"  alt=\"\"  class=\"wp-image-2852 pk-lazyload\"  data-pk-sizes=\"auto\"  data-ls-sizes=\"auto, (max-width: 1020px) 100vw, 1020px\"  data-pk-src=\"https:\/\/knowhowprod.wpengine.com\/wp-content\/uploads\/2021\/06\/Tektronix-TBS2074B-30176858-01.jpg\"  data-pk-srcset=\"https:\/\/knowhow.distrelec.com\/wp-content\/uploads\/2021\/06\/Tektronix-TBS2074B-30176858-01.jpg 1020w, https:\/\/knowhow.distrelec.com\/wp-content\/uploads\/2021\/06\/Tektronix-TBS2074B-30176858-01.jpg?resize=300,168 300w, https:\/\/knowhow.distrelec.com\/wp-content\/uploads\/2021\/06\/Tektronix-TBS2074B-30176858-01.jpg?resize=768,429 768w, https:\/\/knowhow.distrelec.com\/wp-content\/uploads\/2021\/06\/Tektronix-TBS2074B-30176858-01.jpg?resize=380,212 380w, https:\/\/knowhow.distrelec.com\/wp-content\/uploads\/2021\/06\/Tektronix-TBS2074B-30176858-01.jpg?resize=550,307 550w, https:\/\/knowhow.distrelec.com\/wp-content\/uploads\/2021\/06\/Tektronix-TBS2074B-30176858-01.jpg?resize=800,447 800w\" ><\/figure>\n\n\n\n<div class=\"wp-block-buttons is-horizontal is-content-justification-center is-layout-flex wp-container-core-buttons-is-layout-499968f5 wp-block-buttons-is-layout-flex\">\n<div class=\"wp-block-button\"><a class=\"wp-block-button__link has-red-background-color has-background wp-element-button\" href=\"https:\/\/www.distrelec.ch\/p\/30176862?q=Oscilloscope%2c+4x+200MHz%2c+2GSPS&amp;pos=2&amp;origPos=2&amp;origPageSize=10&amp;track=true\" target=\"_blank\" rel=\"noreferrer noopener\">D\u00e9couvrir<\/a><\/div>\n<\/div>\n\n\n\n<p><\/p>\n<\/div>\n<\/div>\n\n<h3 id=\"oscilloscope-keysight\" class=\"wp-block-heading\">Oscilloscope Keysight<\/h3>\n\n<p>Les oscilloscopes <a href=\"https:\/\/www.distrelec.biz\/en\/manufacturer\/keysight\/man_ksg?queryFromSuggest=true\" target=\"_blank\" rel=\"noreferrer noopener\">Keysight<\/a> sont des appareils de haute qualit\u00e9 qui fournissent des mesures fiables et professionnelles. Les appareils de test et de mesure de Keysight sont compatibles avec diverses sondes et accessoires d&rsquo;adaptation Keysight, ce qui permet d&rsquo;obtenir des solutions de test sur mesure pour une large gamme d&rsquo;applications. En outre, des progiciels sont disponibles pour une analyse am\u00e9lior\u00e9e. L&rsquo;offre de Keysight comprend diff\u00e9rents types d&rsquo;appareils, notamment des mod\u00e8les de table, portatifs, portables et bas\u00e9s sur PC, ainsi que des s\u00e9ries populaires telles que DSOX, EDUX et InfiniiVision.<\/p>\n\n<div class=\"wp-block-columns is-layout-flex wp-container-core-columns-is-layout-9d6595d7 wp-block-columns-is-layout-flex\">\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\">\n<p><strong>Oscilloscope InfiniiVision 4000G X DSO 4x 200MHz 5GSPS SPI<\/strong><\/p>\n\n\n\n<p>Dot\u00e9s d&rsquo;une technologie avanc\u00e9e et d&rsquo;un grand \u00e9cran, les oscilloscopes InfiniiVision 4000 X-Series offrent une bande passante allant de 200 MHz \u00e0 1,5 GHz. Avec le taux de mise \u00e0 jour de formes d&rsquo;onde inalt\u00e9r\u00e9 le plus \u00e9lev\u00e9 de l&rsquo;industrie (1 000 000 de formes d&rsquo;onde par seconde), vous pouvez \u00eatre certain que m\u00eame les plus petites erreurs de conception seront d\u00e9tect\u00e9es.<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img  loading=\"lazy\"  decoding=\"async\"  width=\"1020\"  height=\"570\"  src=\"data:image\/png;base64,iVBORw0KGgoAAAANSUhEUgAAA\/wAAAI6AQMAAACgqdGlAAAAA1BMVEUAAP+KeNJXAAAAAXRSTlMAQObYZgAAAAlwSFlzAAAOxAAADsQBlSsOGwAAAF1JREFUeNrtwQEBAAAAgiD\/r25IQAEAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAvBsfSQABeZS+xAAAAABJRU5ErkJggg==\"  alt=\"\"  class=\"wp-image-78367 pk-lazyload\"  data-pk-sizes=\"auto\"  data-ls-sizes=\"auto, (max-width: 1020px) 100vw, 1020px\"  data-pk-src=\"https:\/\/knowhow.distrelec.com\/wp-content\/uploads\/2021\/06\/Keysight-DSOX4022G-30407314-01.jpg\"  data-pk-srcset=\"https:\/\/knowhow.distrelec.com\/wp-content\/uploads\/2021\/06\/Keysight-DSOX4022G-30407314-01.jpg 1020w, https:\/\/knowhow.distrelec.com\/wp-content\/uploads\/2021\/06\/Keysight-DSOX4022G-30407314-01.jpg?resize=300,168 300w, https:\/\/knowhow.distrelec.com\/wp-content\/uploads\/2021\/06\/Keysight-DSOX4022G-30407314-01.jpg?resize=768,429 768w, https:\/\/knowhow.distrelec.com\/wp-content\/uploads\/2021\/06\/Keysight-DSOX4022G-30407314-01.jpg?resize=380,212 380w, https:\/\/knowhow.distrelec.com\/wp-content\/uploads\/2021\/06\/Keysight-DSOX4022G-30407314-01.jpg?resize=550,307 550w, https:\/\/knowhow.distrelec.com\/wp-content\/uploads\/2021\/06\/Keysight-DSOX4022G-30407314-01.jpg?resize=800,447 800w\" ><\/figure>\n\n\n\n<div class=\"wp-block-buttons is-content-justification-center is-layout-flex wp-container-core-buttons-is-layout-16018d1d wp-block-buttons-is-layout-flex\">\n<div class=\"wp-block-button\"><a class=\"wp-block-button__link has-red-background-color has-background wp-element-button\" href=\"https:\/\/www.distrelec.biz\/en\/oscilloscope-infiniivision-4000g-dso-4x-200mhz-5gsps-spi-rs232-rs422-rs485-usb-keysight-dsox4024g\/p\/30407315?pos=5&amp;origPos=1&amp;origPageSize=50&amp;track=false&amp;filterapplied=filter_categoryCodes%3Dcat-DNAV_1309&amp;sid=UruTaUFxe2&amp;itemList=manufacturer\" target=\"_blank\" rel=\"noreferrer noopener\"><strong>D\u00e9couvrir<\/strong><\/a><\/div>\n<\/div>\n<\/div>\n\n\n\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\">\n<p><strong>Oscilloscope SBE InfiniiVision 1000X DSO 2x 50MHz 1GSPS LAN<\/strong><\/p>\n\n\n\n<p>Les oscilloscopes InfiniiVision 1000 X-Series de Keysight sont con\u00e7us pour offrir une technologie de haute qualit\u00e9, \u00e9prouv\u00e9e, \u00e0 des prix remarquablement abordables.\u00a0<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img  loading=\"lazy\"  decoding=\"async\"  width=\"1020\"  height=\"570\"  src=\"data:image\/png;base64,iVBORw0KGgoAAAANSUhEUgAAA\/wAAAI6AQMAAACgqdGlAAAAA1BMVEUAAP+KeNJXAAAAAXRSTlMAQObYZgAAAAlwSFlzAAAOxAAADsQBlSsOGwAAAF1JREFUeNrtwQEBAAAAgiD\/r25IQAEAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAvBsfSQABeZS+xAAAAABJRU5ErkJggg==\"  alt=\"\"  class=\"wp-image-78384 pk-lazyload\"  data-pk-sizes=\"auto\"  data-ls-sizes=\"auto, (max-width: 1020px) 100vw, 1020px\"  data-pk-src=\"https:\/\/knowhow.distrelec.com\/wp-content\/uploads\/2021\/06\/Keysight-EDUX1052G-30225093-01.jpg\"  data-pk-srcset=\"https:\/\/knowhow.distrelec.com\/wp-content\/uploads\/2021\/06\/Keysight-EDUX1052G-30225093-01.jpg 1020w, https:\/\/knowhow.distrelec.com\/wp-content\/uploads\/2021\/06\/Keysight-EDUX1052G-30225093-01.jpg?resize=300,168 300w, https:\/\/knowhow.distrelec.com\/wp-content\/uploads\/2021\/06\/Keysight-EDUX1052G-30225093-01.jpg?resize=768,429 768w, https:\/\/knowhow.distrelec.com\/wp-content\/uploads\/2021\/06\/Keysight-EDUX1052G-30225093-01.jpg?resize=380,212 380w, https:\/\/knowhow.distrelec.com\/wp-content\/uploads\/2021\/06\/Keysight-EDUX1052G-30225093-01.jpg?resize=550,307 550w, https:\/\/knowhow.distrelec.com\/wp-content\/uploads\/2021\/06\/Keysight-EDUX1052G-30225093-01.jpg?resize=800,447 800w\" ><\/figure>\n\n\n\n<div class=\"wp-block-buttons is-content-justification-center is-layout-flex wp-container-core-buttons-is-layout-16018d1d wp-block-buttons-is-layout-flex\">\n<div class=\"wp-block-button\"><a class=\"wp-block-button__link has-red-background-color has-background wp-element-button\" href=\"https:\/\/www.distrelec.biz\/en\/oscilloscope-sbe-infiniivision-1000x-dso-2x-50mhz-1gsps-lan-usb-keysight-edux1052g\/p\/30225093?int_cid=2208manufacturer.spotlight-spot-4&amp;ikw=Keysight\" target=\"_blank\" rel=\"noreferrer noopener\"><strong>D\u00e9couvrir<\/strong><\/a><\/div>\n<\/div>\n<\/div>\n<\/div>\n\n<h3 id=\"oscilloscope-rohde-schwarz\" class=\"wp-block-heading\">Oscilloscope Rohde &amp; Schwarz<\/h3>\n\n<p>Les oscilloscopes <a href=\"https:\/\/www.distrelec.biz\/en\/manufacturer\/rohde-schwarz\/man_rsz?queryFromSuggest=true\" target=\"_blank\" rel=\"noreferrer noopener\">Rohde &amp; Schwarz<\/a> offrent des caract\u00e9ristiques exceptionnelles, telles que le d\u00e9clenchement num\u00e9rique, une m\u00e9moire profonde, l&rsquo;analyse de la r\u00e9ponse en fr\u00e9quence (diagramme de Bode), le d\u00e9senregistrement en temps r\u00e9el, des taux de mise \u00e0 jour rapides et un bruit particuli\u00e8rement faible. Ils fournissent ainsi \u00e0 leurs utilisateurs des solutions adapt\u00e9es \u00e0 certaines normes industrielles, tout en \u00e9tant \u00e9galement efficaces pour des tests \u00e0 usage g\u00e9n\u00e9ral.<\/p>\n\n<p><strong>Oscilloscope RTB2000 MSO 4x 300MHz 1,25GSPS USB \/ Ethernet<\/strong><\/p>\n\n<p>Le R&amp;S\u00aeRTB2000 est bien plus qu&rsquo;un simple oscilloscope. Il int\u00e8gre un voltm\u00e8tre num\u00e9rique, un g\u00e9n\u00e9rateur de formes d&rsquo;ondes et de motifs, un analyseur logique et un analyseur de protocoles.<\/p>\n\n<p>Des modes de fonctionnement int\u00e9gr\u00e9s sont sp\u00e9cialement con\u00e7us pour l&rsquo;analyse de fr\u00e9quence, les tests de masque et la collecte de donn\u00e9es longues. Le d\u00e9bogage d&rsquo;une large gamme de syst\u00e8mes \u00e9lectroniques devient ainsi simple, efficace et abordable. De plus, il r\u00e9pond \u00e0 l&rsquo;exigence cruciale de prot\u00e9ger les investissements.\u00a0<\/p>\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-full is-resized\"><img  loading=\"lazy\"  decoding=\"async\"  width=\"1020\"  height=\"570\"  src=\"data:image\/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAABAQMAAAAl21bKAAAAA1BMVEUAAP+KeNJXAAAAAXRSTlMAQObYZgAAAAlwSFlzAAAOxAAADsQBlSsOGwAAAApJREFUCNdjYAAAAAIAAeIhvDMAAAAASUVORK5CYII=\"  alt=\"\"  class=\"wp-image-78401 pk-lazyload\"  style=\"width:489px;height:auto\"  data-pk-sizes=\"auto\"  data-ls-sizes=\"auto, (max-width: 1020px) 100vw, 1020px\"  data-pk-src=\"https:\/\/knowhow.distrelec.com\/wp-content\/uploads\/2021\/06\/RS-RTB-BNDL-30319412-01.jpg\"  data-pk-srcset=\"https:\/\/knowhow.distrelec.com\/wp-content\/uploads\/2021\/06\/RS-RTB-BNDL-30319412-01.jpg 1020w, https:\/\/knowhow.distrelec.com\/wp-content\/uploads\/2021\/06\/RS-RTB-BNDL-30319412-01.jpg?resize=300,168 300w, https:\/\/knowhow.distrelec.com\/wp-content\/uploads\/2021\/06\/RS-RTB-BNDL-30319412-01.jpg?resize=768,429 768w, https:\/\/knowhow.distrelec.com\/wp-content\/uploads\/2021\/06\/RS-RTB-BNDL-30319412-01.jpg?resize=380,212 380w, https:\/\/knowhow.distrelec.com\/wp-content\/uploads\/2021\/06\/RS-RTB-BNDL-30319412-01.jpg?resize=550,307 550w, https:\/\/knowhow.distrelec.com\/wp-content\/uploads\/2021\/06\/RS-RTB-BNDL-30319412-01.jpg?resize=800,447 800w\" ><\/figure><\/div>\n<div class=\"wp-block-buttons is-content-justification-center is-layout-flex wp-container-core-buttons-is-layout-16018d1d wp-block-buttons-is-layout-flex\">\n<div class=\"wp-block-button\"><a class=\"wp-block-button__link has-red-background-color has-background wp-element-button\" href=\"https:\/\/www.distrelec.biz\/en\/oscilloscope-rtb2000-mso-4x-300mhz-25gsps-usb-ethernet-rohde-schwarz-rtb-bndl\/p\/30319412?trackQuery=*&amp;pos=5&amp;origPos=1&amp;page=1&amp;pageSize=10&amp;origPageSize=50&amp;track=true&amp;filterapplied=filter_productFamilyCode%3D1628149&amp;sid=AMYtVjNuTY&amp;itemList=search\" target=\"_blank\" rel=\"noreferrer noopener\"><strong>D\u00e9couvrir<\/strong><\/a><\/div>\n<\/div>\n","protected":false},"excerpt":{"rendered":"Les oscilloscopes sont des outils de test indispensables pour les ing\u00e9nieurs et les techniciens, permettant de visualiser et&hellip;\n","protected":false},"author":16,"featured_media":78354,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"csco_singular_sidebar":"","csco_page_header_type":"","csco_appearance_grid":"","csco_page_load_nextpost":"","csco_post_video_location":[],"csco_post_video_location_hash":"","csco_post_video_url":"","csco_post_video_bg_start_time":0,"csco_post_video_bg_end_time":0,"_jetpack_memberships_contains_paid_content":false,"footnotes":""},"categories":[181,184],"tags":[],"coauthors":[1738],"class_list":{"0":"post-5672","1":"post","2":"type-post","3":"status-publish","4":"format-standard","5":"has-post-thumbnail","7":"category-electronique","8":"category-maintenance-reparation-et-exploitation","9":"cs-entry","10":"cs-video-wrap"},"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v24.4 - 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