[USRP-users] TDD mode with USRPs in GNU Radio

Marcus D. Leech patchvonbraun at gmail.com
Tue Feb 26 13:28:58 EST 2019


On 02/26/2019 12:10 PM, Andy Walls wrote:
> Hi Marcus:
>
> If one configures a USRP Sink to use the "TX/RX" port for Tx and a USRP
> Source to use "TX/RX" port for Rx, does one still get both switches'
> worth of isolation during Tx, or is it only the single switch's worth
> of isolation in that case?
>
> (I'm too lazy to run that down in the source code at the moment. :] )
>
>
> Thanks,
> Andy
>
You still, as far as I can tell, get two switches worth, since the RX 
channel is ALWAYS (as far as I recall) switched to the RX2 port during 
TX, which gives you
   two layers of switches regardless.





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