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Re: [Discuss-gnuradio] Capturing 12-bit data at 10MHz sample clock?


From: Dan Halperin
Subject: Re: [Discuss-gnuradio] Capturing 12-bit data at 10MHz sample clock?
Date: Fri, 21 Sep 2007 02:19:22 -0700
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It'll involve hacking the FPGA code, but no, it shouldn't be especially
hard.

- -Dan

Jan Schiefer wrote:
> This may be a dumb question, but suppose I changed the USRP ADC clock to
> 10MHz. Would there be a way to get 12-bit integer data across the USB,
> using usrp_rx_cfile.py or something similar? This would result in a
> manageable USB transfer rate of 30MB/s and line up pretty well with the
> bandwidth of the TVRX tuner.
> 
> From poking around, it appears to me that the data transfer across the
> USB is either 2 * 8 bits/sample or 2 * 16. 2 * 12 should be easy enough
> to disentangle?
> 
> Just curious,
>    Jan
> 
> 
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