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Yahoo!奇摩知識+ - 分類問答 - 科學常識 - 發問中 |
Yahoo!奇摩知識+ - 分類問答 - 科學常識 - 發問中 |
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示波器頻寬疑問
Jul 9th 2013, 03:00
我知道取樣時間是每個紀錄點的間隔時間 示波器LCD顯示波形圖形是由多個取樣點繪圖 但是頻寬這個規格是什麼意思?? 假設今天有一個1MHz正弦波,那示波器的取樣率越大就可以越精細的繪圖 一般我看到的都是1GSa/s 請問頻寬70MHz、100MHz、200MHz都是1GSa/s的示波器差別在哪? 我之前使用都以為只要看取樣時間,現在要買一台才發現"頻寬"疑問,不知道該怎麼選擇? This entry passed through the Full-Text RSS service — if this is your content and you're reading it on someone else's site, please read the FAQ at fivefilters.org/content-only/faq.php#publishers. Five Filters recommends: 'You Say What You Like, Because They Like What You Say' - http://www.medialens.org/index.php/alerts/alert-archive/alerts-2013/731-you-say-what-you-like-because-they-like-what-you-say.html
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