[USRP-users] Phase unstable even with MIMO cable
Marcus D. Leech
mleech at ripnet.com
Fri Nov 10 11:16:24 EST 2017
On 11/10/2017 01:11 AM, Bakshi, Arjun via USRP-users wrote:
> I'm observing an unstable phase when I'm transmitting and receiving a
> constant value over a wire. Is that normal, or is something wrong with
> my HW or configuration?
> I assumed that since the channel is fixed, and USRPs are synced, that
> I'd see a constant phase.
> I'm using 2xN210s with WBX boards in them, and a MIMO cable to
> connect/sync them. Sampling rate is 2Msps. Flow GRC and image attached.
> Thank you,
> USRP-users mailing list
> USRP-users at lists.ettus.com
What gain values are you using on each end?
I hope that you have significant attenuation in the cable that you're
using to connect the TX to RX.
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