A next-generation PCIe instrumentation platform, UltraFast UF4e offers increased streaming bandwidth and higher sampling rates. Acquisition data is stored inside a 4-Gbyte on-board buffer and can be read out at more than 3 Gbyte/s through the PCI Express x8 Gen2 bus. The ¾ plug-in cards are compatible with Gen1 and Gen3, and need a PCI Express slot with 8 or 16 physical lanes. The first released model, the UF4e-4451-x8, comes with four channels, a signal bandwidth of 250 MHz, and 500-Msample/s synchronous sampling speed at 14 bit ADC resolution.
To optimize data storage and bus transfer, repetitive signals can be stored in separate segments using Multiple Recording mode while transferring data in parallel, a feature that is particularly useful for radar applications. The card is also equipped with different acquisition modes like single-shot, streaming (FIFO), gated (Gated Sampling), or the combination of segmented acquisition of fast signals in parallel to slow continuous data recording (ABA mode). All trigger events can be time stamped using either the internal clock circuit or an external time reference signal. All features of the card are supported by the UltraFast SBench 6 software which runs native under 32- and 64-bit Linux as well as Windows.
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