Tektronix has announced the DPO (digital-phosphor oscilloscope)/ DSA (digital-signal analyzer)70000D I Series, which comprises four models. With two channels active, real-time acquisition j rates range to 100G samples/sec on each channel, and, depending on the model, analog bandwidth reaches either 25 or 33 GHz. For repetitive-though not necessarily periodic-signals, you can use the RIS j (random-interleaved-sampling) feature to | obtain 25- or 33-GHz bandwidth on four channels with effective acquisition rates on each channel as high as 10.000G samples/ sec. With real-time sampling, the bandwidth on each of the four channels is 20 j GHz, although the manufacturer believes j that it will upgrade this specification to 22.5 GHz once the evaluation of production quantities is complete.
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