[USRP-users] Hardware modification to improve isolation on SBX

Tetzlaff, Thomas A thomas.a.tetzlaff at intel.com
Fri Sep 6 16:47:29 EDT 2013


In January 2013, there was a thread titled "How to isolate the signal between TX/RX and RX2 on the USRP2 N210" in which a reference was made to a hardware modification on the SBX that can improve isolation.
I am experimenting with full duplex, same frequency operation and am very interested in this modification.  Could someone provide details on the modification?  How much does this increase the isolation?  Presumably, the mod will disable the ability to receive on the TX/RX antenna, which is fine.  The RF board is SBX board rev. 5.

Regards,
Tom

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