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On-board signal averaging added to PCI Express digitizer

Posted: 02 Jul 2013 ?? ?Print Version ?Bookmark and Share

Keywords:Adlink? digitizer board? PCI express? radar signal testing?

The PCIe-9852 digitizer board from Adlink offers two simultaneously sampled 200Msample/s input channels with 14bit resolution, 90MHz bandwidth, and up to 1GB of DDR3 memory. It streams data at up to 800-MB/s and onboard signal averaging, making the device ideal for long-term, high-speed data recording in distributed temperature sensing, radar signal testing, and atmospheric science research.

Each channel of the PCIe-9852 has its own 14bit ADC with a spurious-free dynamic range of 83dB, signal-to-noise ratio of 62dB, and total harmonic distortion of C81dB. The analogue input is designed to receive 0.2-V, 2-V, and 10V signals with software-selectable 50 and 1M input impedance. Onboard signal averaging allows the detection of small repetitive signals in noisy environments, with no CPU loading.

Compliant with PCI Express Rev. 2.0 specifications, the board streams data on both channels at the maximum data rate (200 Msamples/s), enabling continuous delivery to the host PC at rates of up to 800 MB/s. A complementary 8500GB RAID system extends capture sessions beyond one hour.

Datasheet for the PCIe-9852 digitizer can be downloaded here.

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