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Re: [Discuss-gnuradio] Best practice to power up USRP
From: |
Alberto Trentadue |
Subject: |
Re: [Discuss-gnuradio] Best practice to power up USRP |
Date: |
Wed, 27 Oct 2010 22:35:14 +0200 (CEST) |
On Wed, 2010-10-27 at 15:08 +1100, Matt Robert wrote:
Thanks Matt, I can relax now!
>
> Cheers,
> Matt
>
>
> On
27/10/10 2:57 PM, Matt Ettus wrote:
> > On 10/26/2010 08:35 PM, Matt Robert wrote:
> >> Hi all,
> >>
> >> Since there
is no power switch on the USRP itself, I would like to know
> >> what the safest way to power on the device is? Is it
best to leave the
> >> DC plug inserted into the unit, and power on the unit by switching on
> >> power to the
switchmode supply? Or is it safe to remove and insert the
> >> DC plug into the front of the unit as needed?
> >>
> >>
Thanks,
> >> Matt
> >
> >
> > It doesn't matter.
> >
> > Matt
> >
Hello
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
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