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Re: [Discuss-gnuradio] DC on antenna
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From: |
Matt Ettus |
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Subject: |
Re: [Discuss-gnuradio] DC on antenna |
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Date: |
Sun, 12 Mar 2006 20:37:20 -0800 |
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User-agent: |
Thunderbird 1.5 (X11/20051201) |
Clark Pope wrote:
>
> Has anyone tried using the GPS antennas where you have to provide DC
> power over the antenna line with a USRP? Especially for the DBS board?
> Seems like there ought to be a way to get one of the DAC outputs coupled
> into the RF to power a gps lna or switch elements, etc.
The dbsrx board has a header on it designed specifically to do this.
Just provide the voltage on J100, a 2 pin header. If you have one of
the newer dbsrx boards, rev 2.1, just short the pins of J101, and you
will have 5V at the antenna port.
Matt
- [Discuss-gnuradio] new revision usrp device numbers changed, so update your hotplug script if you have a new one, Martin Dvh, 2006/03/04
- Re: [Discuss-gnuradio] new revision usrp device numbers changed, so update your hotplug script if you have a new one, Eric Blossom, 2006/03/08
- [Discuss-gnuradio] Run USRP at alternate clock frequency?, Clark Pope, 2006/03/10
- Re: [Discuss-gnuradio] Run USRP at alternate clock frequency?, Eric Blossom, 2006/03/10
- Re: [Discuss-gnuradio] Run USRP at alternate clock frequency?, Matt Ettus, 2006/03/10
- Re: [Discuss-gnuradio] Run USRP at alternate clock frequency?, Eric Blossom, 2006/03/10
- Re: [Discuss-gnuradio] Run USRP at alternate clock frequency?, Clark Pope, 2006/03/31
- Re: [Discuss-gnuradio] Run USRP at alternate clock frequency?, Eric Blossom, 2006/03/31
[Discuss-gnuradio] DC on antenna, Clark Pope, 2006/03/10