有关于晶振的ppm计算问题ppm是百万分之一,我用的晶振是74.25MHz,实际用频率计测量是74.24MHz.那么应该说我用的这个晶振有多少ppm的频偏呢?MHz就是10的六次方,ppm百万也是.这么算难道我用的晶振
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![有关于晶振的ppm计算问题ppm是百万分之一,我用的晶振是74.25MHz,实际用频率计测量是74.24MHz.那么应该说我用的这个晶振有多少ppm的频偏呢?MHz就是10的六次方,ppm百万也是.这么算难道我用的晶振](/uploads/image/z/4907372-68-2.jpg?t=%E6%9C%89%E5%85%B3%E4%BA%8E%E6%99%B6%E6%8C%AF%E7%9A%84ppm%E8%AE%A1%E7%AE%97%E9%97%AE%E9%A2%98ppm%E6%98%AF%E7%99%BE%E4%B8%87%E5%88%86%E4%B9%8B%E4%B8%80%2C%E6%88%91%E7%94%A8%E7%9A%84%E6%99%B6%E6%8C%AF%E6%98%AF74.25MHz%2C%E5%AE%9E%E9%99%85%E7%94%A8%E9%A2%91%E7%8E%87%E8%AE%A1%E6%B5%8B%E9%87%8F%E6%98%AF74.24MHz.%E9%82%A3%E4%B9%88%E5%BA%94%E8%AF%A5%E8%AF%B4%E6%88%91%E7%94%A8%E7%9A%84%E8%BF%99%E4%B8%AA%E6%99%B6%E6%8C%AF%E6%9C%89%E5%A4%9A%E5%B0%91ppm%E7%9A%84%E9%A2%91%E5%81%8F%E5%91%A2%3FMHz%E5%B0%B1%E6%98%AF10%E7%9A%84%E5%85%AD%E6%AC%A1%E6%96%B9%2Cppm%E7%99%BE%E4%B8%87%E4%B9%9F%E6%98%AF.%E8%BF%99%E4%B9%88%E7%AE%97%E9%9A%BE%E9%81%93%E6%88%91%E7%94%A8%E7%9A%84%E6%99%B6%E6%8C%AF)
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