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Re: [Discuss-gnuradio] Support for 8-bit USB samples in GRC
From: |
Marcus D. Leech |
Subject: |
Re: [Discuss-gnuradio] Support for 8-bit USB samples in GRC |
Date: |
Sat, 31 Jan 2009 14:13:02 -0500 |
User-agent: |
Thunderbird 2.0.0.18 (X11/20081119) |
Firas Abbas wrote:
> Hi,
>
> When working with 8 bit samples, you must disable FPGA halfband filter see
> (http://gnuradio.org/trac/wiki/UsrpFAQ/DDC).
>
> To do so, the USRP (via GRC) should load the "std_4rx_0tx.rbf" image.
>
>
> Best Regards,
>
> Firas
>
>
>
>
I have confirmed that using the "std_4rx_0tx.rbf" firmware works OK. I
tested this by patching in that firmware
into the grc_gnuradio/usrp code, but a more-general solution is
definitely called for.
Perhaps there's should be a "firmware" parameter in the USRP source/sink
blocks.
--
Marcus Leech
Principal Investigator, Shirleys Bay Radio Astronomy Consortium
http://www.sbrac.org
- [Discuss-gnuradio] Support for 8-bit USB samples in GRC, Marcus D. Leech, 2009/01/30
- Re: [Discuss-gnuradio] Support for 8-bit USB samples in GRC, Josh Blum, 2009/01/30
- Message not available
- Message not available
- Re: [Discuss-gnuradio] Support for 8-bit USB samples in GRC, Marcus D. Leech, 2009/01/30
- Re: [Discuss-gnuradio] Support for 8-bit USB samples in GRC, Marcus D. Leech, 2009/01/30
- Re: [Discuss-gnuradio] Support for 8-bit USB samples in GRC, Josh Blum, 2009/01/30
- Re: [Discuss-gnuradio] Support for 8-bit USB samples in GRC, Firas Abbas, 2009/01/31
- Re: [Discuss-gnuradio] Support for 8-bit USB samples in GRC,
Marcus D. Leech <=
- Re: [Discuss-gnuradio] Support for 8-bit USB samples in GRC, Josh Blum, 2009/01/31
- Re: [Discuss-gnuradio] Support for 8-bit USB samples in GRC, Marcus D. Leech, 2009/01/31