Cool.
That means that you could conceivably build a 4-port correlator (for radio astronomy) out of a single USRP, assuming that your front-ends are all running from a single oscillator/reference.
Eric Blossom wrote:
On Fri, Feb 25, 2005 at 02:58:36AM -0000, Robert McGwier wrote:
I want to take four streams from the four channels of my basic RX's. I want to know that the blocks from the four gazintas will maintain synchrony. I will be doing coherent processing on the four inputs and this is critical.
Bob
Yes, they will maintain synchrony. The A/D's use a common clock. The streams are processed in parallel in the FPGA in lock-step. The channel are interleaved in the stream across the USB and into user space.
Eric
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