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From Friday, April 19th (11:00 PM CDT) through Saturday, April 20th (2:00 PM CDT), 2024, ni.com will undergo system upgrades that may result in temporary service interruption.
We appreciate your patience as we improve our online experience.
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简单地回答是不可以。尽管您可以将所有的设备同步到同一个10Mhz的参考时钟,并且同步它们的触发,每个设备都有各自的板上晶振,它们是无法在多个设备间共享的。每个板上晶振都容易受到内在相位漂移和噪声的影响,而这些将影响各个设备的性能。结果就是任何2个有板上晶振的设备都无法精确地同步。
下图显示了一个如何使用板上晶振来混合信号的过程,使之从中频IF混合到高频RF.事实上,NI5600和NI5610使用3种这样的混频器来转换信号。
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注意:所有NI的数字化仪和函数发生器都能相互同步,只要它们没有用在任何上变频或者下变频的过程中。
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