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| From: | Matt Ettus |
| Subject: | Re: [Discuss-gnuradio] Best practice to power up USRP |
| Date: | Sat, 30 Oct 2010 23:46:29 -0700 |
| User-agent: | Mozilla/5.0 (X11; U; Linux x86_64; en-US; rv:1.9.1.12) Gecko/20100907 Fedora/3.0.7-1.fc12 Lightning/1.0b2pre Thunderbird/3.0.7 |
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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