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[Discuss-gnuradio] Re: Directions..

From: Matt Ettus
Subject: [Discuss-gnuradio] Re: Directions..
Date: Tue, 22 Mar 2005 00:57:51 -0800
User-agent: Internet Messaging Program (IMP) 4.0-cvs

> I have been successfully using the USRP to digitize NTSC video. However I
> need to change
> the system operation freq to 27 MHz. I am thinking of using cyclone's PLL
> for generating the
> 27 MHz clock for internal operation. But the problem is really feeding the
> 27 MHz clock
> to the ADC. I am going to use an unused FPGA output and use it to drive the
> CLK_CODEC_A and CLK_CODEC_B signals.

That would work.

> I am referring to the schematic for the FPGA (fpga.pdf). I will disconnect
> R1012 and R1023,
> and simply connect the output clock of the FPGA to the R1014 and R1015.

I think you meant R1012 and R1013.  That would work.


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