On 01/16/2019 05:39 AM, Koyel Das (Vehere) via USRP-users wrote:
Hi,
Is the phase difference between two receiving channels in USRP 2954 R
or between any two channels of USRP 2955R stable? That is can I
measure the phase difference using a power splitter and equal length
cables and say that it will remain the same always or will it vary?
Regards,
Koyel
If you use timed commands to tune it:
https://files.ettus.com/manual/page_sync.html
You can get a reasonably predictable phase-offset. But since analog
effects (mostly temperature) will tend to change the fine-scale
phase, you should probably re-cal on every run, depending on your
tolerance for gross phase error.
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