On 2022-01-14 01:11, Paul Atreides wrote:
I am trying to configure the N321 to take some TX phase measurements between
RF0 and RF1
I have updated the file system to the latest release using the KB guidance.
My host/software side is:
GNURadio 3.9.5
UHD 4.1.0.5
Ubuntu 20.04
My gr-uhd block has the LO settings:
Channel 0 export = true
Channel 0 LO = internal
Channel 1 export = false
Channel 1 LO = external
On the hardware side am I understanding the LO diagram correctly that in order
to achieve the highest phase accuracy between channels i need to share the LO
between the transmit ports of RF0 and RF1?
If so, would I do that by physically connecting the TX LO OUT0 (really 0-3) to
TX LO IN1?
Am I missing anything obvious for the settings and/or is there a more desirable
way to do this?
Thanks
<end transmission>
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This KB article may be of some help:
https://kb.ettus.com/USRP_N320/N321_LO_Distribution
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