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Re: [Discuss-gnuradio] DBS-RX satellite connection
From: |
davek |
Subject: |
Re: [Discuss-gnuradio] DBS-RX satellite connection |
Date: |
Sun, 7 Jun 2009 22:47:51 -0400 |
most sat boxes have a IF output for secondary receiver, i will use the
reciever to power the motor / lnb / polariztion control. just wanted
to make sure any crap coming down the line wont blow up the dbsrx but
it sounds safe
thanks
On Sun, Jun 7, 2009 at 10:41 PM, Matt Ettus<address@hidden> wrote:
> davek wrote:
>>
>> I would like to get my usrp conneced to my TVRO satellite dish. I am
>> wondering...
>> Is the DBSRX daughter card suitable for direct connection to a satellite
>> LNB?
>> I am thinking it will be easier to let the sat receiver do the lnb
>> power and polarization control
>> Is it be safe to connect to the lnb loop-through connection on
>> standard satellite receivers?
>
>
> I am not sure exactly what you are asking. The DBSRX RF path is DC blocked,
> so you can put DC bias on the line externally without problem. You could
> also use the DBSRX's built-in bias tee to do this if you like, as long as
> you keep the current below 500mA.
>
> Matt
>