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NI digital waveform generator/analyzers use multiple megabytes of onboard memory to acquire and generate data. Onboard memory allows much higher data rates than would be allowed by streaming data from system memory across the PCI bus. Acquisition Memory and Generation Memory are separate; for example, a 64 MS device has two 64 MS memory blocks—one for acquisition and one for generation.
|Note If you are performing hardware comparison, the fault data is stored separately from the acquisition and generation data, so fault data does not consume any of your Acquisition or Generation Memory. Hardware comparison is supported only on NI 6547/6548/655x devices.|
The NI 654x/655x/656x can be purchased with different memory options. Refer to ni.com/catalog for more information about these options.