On 05/08/2019 04:55 PM, Minutolo, Lorenzo (389I) via USRP-users wrote:
Hi,
I have some question about your new products.
1) What is the suggested hardware for communicating with the QSFP+ port? As I
understand this a normal 40 Gbit PCIe card won’t work.
2) Does the embedded linux system gives any error while handling two channels
at 200Msps full duplex without any signal processing (i.e. benchmark rate)?
I'm going to go ahead and guess that an 800MHz CPU would be unable to
consume 400Msps in any possible way, since that would imply an
average of only 2 CPU clocks/sample. Even just bringing those samples
into the CPU realm and into user-space would be some kind of
minor miracle, even with multiple instruction issues/clock.
Lorenzo
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