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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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一个非DSA板卡使用锁相放大工具包之前,需要仔细阅读 KnowledgeBase 2S4FERBH: Lock-In Amplifier Startup Toolkit Compatibility with Non-DSA Hardware,并且考虑该器件是否符合你应用的全部需要。DSA板卡有许多锁相发大工具包必须的特性,比如动态范围,同步采样,反混叠滤波器。
如果需要采用非DSA器件,需要仔细考虑锁相放大工具包是十分依赖处理器的。取决于你的系统,很可能你的电脑并不支持使用你的DAQ器件在其最大的采样率情况下运行锁相发大工具包。500kS/s的采样率是该工具包的最高速率。
需要注意的是使用锁相放大工具包的最低采样速率是50kS/s.
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