Re: [Discuss-gnuradio] ground the USRP1

[Matt Ettus]

On 12/30/2009 11:50 AM, kdag wrote:
> hia,
>
> On Wed, Dec 30, 2009 at 2:19 PM, Matt Ettus <address@hidden
> <mailto:address@hidden>> wrote:
>
>     On 12/30/2009 03:34 AM, Johnny Vestergaard wrote:
>
>         Hi,
>
>         I recently acquired a USRP1 and are looking to improve reception of
>         the TVRX board (i know it's a cable tuner and has noise "issues").
>         I noticed the GND pins on the USRP1 board and are wondering if i am
>         supposed to ground the board through these pins?
>
>
>
>     No, those will not change anything.
>
>
>
> I'm also interested on the topic of lowering the noise fig on the TVRX,
> is that somehow possible?


The only way to lower the noise figure on the TVRX is to put an 
amplifier in front of it.  The noise figure is only about 8-9 dB, 
though, so it isn't that bad.

Matt