On 10/27/2010 01:35 PM, Alberto Trentadue wrote:
I would connect to Matt's question to ask
about ground loops.
Sometimes, when the USRP is connected to the antenna outside and I insert the 
DC plug, I see
sparkles on the ground shield of the plug, when it touches the enclosure.

I decided to connect the PC and other
devices to a common GND, but I don't see any way to ground the USRP box.
Would you recommend to create a external GND
connection point on the USRP enclosure?

Thanks
Alberto


The power supply is isolated. The shield on your coax is connected to the USRP ground.

Matt

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