Attenuators on RX port will decrease the uplink performance, which will result lower coverage even with high power transmitted on downlink… with active T/R switch and TDD, how shall I synchronize the DL/UL slots timing with the switch input controller? Without any delay and very accurately.
Best, From: Rob Kossler <rkoss...@nd.edu> Sent: 17 February 2025 17:38 To: Stuart Austin <saus...@criticalsoftwaresystems.com> Cc: john.achkar.r...@gmail.com; usrp-users@lists.ettus.com Subject: Re: [USRP-users] Re: High power TX/RX same antenna If you are using TDD, you may need a T/R switch to switch out your receiver during transmission. If you are using FDD, you may need a diplexer. Rob On Mon, Feb 17, 2025 at 11:20 AM Stuart Austin <saus...@criticalsoftwaresystems.com <mailto:saus...@criticalsoftwaresystems.com> > wrote: Can you just add more attenuation between the output of the circulator port that goes to the RX port on the N310? From: john.achkar.r...@gmail.com <mailto:john.achkar.r...@gmail.com> [mailto:john.achkar.r...@gmail.com <mailto:john.achkar.r...@gmail.com> ] Sent: Monday, February 17, 2025 10:41 AM To: usrp-users@lists.ettus.com <mailto:usrp-users@lists.ettus.com> Subject: [USRP-users] High power TX/RX same antenna Hi, I am using a N310, with OAI to transmit 5G signal. I want to transmit 40 dBm using one antenna connected on both TX and RX ports. The best circulator I found has 18 dB isolation, which isn’t sufficient considering -15 dBm USRP max input power. What is the best approach to consider? Thanks a lot. Best regards, Charbel _______________________________________________ USRP-users mailing list -- usrp-users@lists.ettus.com <mailto:usrp-users@lists.ettus.com> To unsubscribe send an email to usrp-users-le...@lists.ettus.com <mailto:usrp-users-le...@lists.ettus.com>
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