On 08/15/2020 01:16 PM, Koyel Das (Vehere) via USRP-users wrote:
Hi,
We are using USRP 2955. Something has gone wrong. Before we were
getting constant phase difference across channels for limited
bandwidth and with time when we split single antenna signal using
splitter and fed two channels of USRP but now it is not doing so. This
happened on Friday that after getting a series of correct results :
constant phase difference across channels by feeding signal using
splitter as mentioned above, we suddenly started to receive wrong
data: random phase across channels and with time using the same setup
with splitter. The thing we did was setting gain to near maximum and
receiving 100 MHz sample rate. But I don't think amplifier has damaged
because in this usrp we have four independent channels and when we
connected the splitter to unused channels then also we got wrong data.
What can go wrong that USRP is streaming data but phases are wrong?
What do you think? Please let me know.
Regards,
Koyel
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Does it look better again when you reduce the gain?
What is the magnitude of the signals going to the RX ports?
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