{"version":"1.0","provider_name":"EENewsEurope","provider_url":"https:\/\/www.ecinews.fr\/fr\/","author_name":"eeNews Europe","author_url":"https:\/\/www.ecinews.fr\/fr\/author\/eenews-europe\/","title":"G\u00e9n\u00e9rateur PWM, 48 canaux, r\u00e9solution de 12 bits","type":"rich","width":600,"height":338,"html":"<blockquote class=\"wp-embedded-content\" data-secret=\"lZtHaBBQ0O\"><a href=\"https:\/\/www.ecinews.fr\/fr\/generateur-pwm-48-canaux-resolution-de-12-bits\/\">G\u00e9n\u00e9rateur PWM, 48 canaux, r\u00e9solution de 12 bits<\/a><\/blockquote><iframe sandbox=\"allow-scripts\" security=\"restricted\" src=\"https:\/\/www.ecinews.fr\/fr\/generateur-pwm-48-canaux-resolution-de-12-bits\/embed\/#?secret=lZtHaBBQ0O\" width=\"600\" height=\"338\" title=\"\u00ab\u00a0G\u00e9n\u00e9rateur PWM, 48 canaux, r\u00e9solution de 12 bits\u00a0\u00bb &#8212; EENewsEurope\" data-secret=\"lZtHaBBQ0O\" frameborder=\"0\" marginwidth=\"0\" marginheight=\"0\" scrolling=\"no\" class=\"wp-embedded-content\"><\/iframe><script type=\"text\/javascript\">\n\/* <![CDATA[ *\/\n\/*! This file is auto-generated *\/\n!function(d,l){\"use strict\";l.querySelector&&d.addEventListener&&\"undefined\"!=typeof URL&&(d.wp=d.wp||{},d.wp.receiveEmbedMessage||(d.wp.receiveEmbedMessage=function(e){var t=e.data;if((t||t.secret||t.message||t.value)&&!\/[^a-zA-Z0-9]\/.test(t.secret)){for(var s,r,n,a=l.querySelectorAll('iframe[data-secret=\"'+t.secret+'\"]'),o=l.querySelectorAll('blockquote[data-secret=\"'+t.secret+'\"]'),c=new RegExp(\"^https?:$\",\"i\"),i=0;i<o.length;i++)o[i].style.display=\"none\";for(i=0;i<a.length;i++)s=a[i],e.source===s.contentWindow&&(s.removeAttribute(\"style\"),\"height\"===t.message?(1e3<(r=parseInt(t.value,10))?r=1e3:~~r<200&&(r=200),s.height=r):\"link\"===t.message&&(r=new URL(s.getAttribute(\"src\")),n=new URL(t.value),c.test(n.protocol))&&n.host===r.host&&l.activeElement===s&&(d.top.location.href=t.value))}},d.addEventListener(\"message\",d.wp.receiveEmbedMessage,!1),l.addEventListener(\"DOMContentLoaded\",function(){for(var e,t,s=l.querySelectorAll(\"iframe.wp-embedded-content\"),r=0;r<s.length;r++)(t=(e=s[r]).getAttribute(\"data-secret\"))||(t=Math.random().toString(36).substring(2,12),e.src+=\"#?secret=\"+t,e.setAttribute(\"data-secret\",t)),e.contentWindow.postMessage({message:\"ready\",secret:t},\"*\")},!1)))}(window,document);\n\/* ]]> *\/\n<\/script>\n","thumbnail_url":"https:\/\/www.ecinews.fr\/wp-content\/uploads\/import\/default\/files\/import\/eci2255_lt8500.jpg","thumbnail_width":1972,"thumbnail_height":1409,"description":"Linear Technology annonce le LT8500, un g\u00e9n\u00e9rateur \u00e0 modulation de largeur d'impulsion (PWM) comprenant 48 canaux. Chaque canal poss\u00e8de, individuellement, un registre PWM, r\u00e9glable sur 12-bits, et un registre de correction 6-bits (64 pas) \u00b1 50%. Tous les contr\u00f4les sont programmables via une simple interface de donn\u00e9es s\u00e9rie TTL\/CMOS \u00e0 50MHz. Le LT8500 peut \u00eatre employ\u00e9 dans une grande vari\u00e9t\u00e9 d'applications \u00e0 PWM comme le contr\u00f4le de LED, ainsi que les applications industrielles et de la robotique. Par exemple, le LT8500 peut \u00eatre utilis\u00e9 avec trois LT3595A, des pilotes de LED 16 canaux, pour fournir des guirlandes de 48 LED, \u00e0 contr\u00f4le de luminosit\u00e9 ind\u00e9pendant, pour r\u00e9gler localement la luminosit\u00e9 du r\u00e9tro-\u00e9clairage \u00e0 LED de grands afficheurs LCD. Le registre de correction permet un \u00e9quilibrage lumineux de chaque guirlande."}