Re: [Discuss-gnuradio] ADC tied directly to CPU?

[Eric Blossom]

On Fri, Jan 21, 2005 at 10:42:13PM -0800, Hew How Chee wrote:
> Hi,
> 
> I am also looking for a cheap alternative to get the
> ADC data into the PC. Was thinking about the Bt878 or
> the CX2388x PCI video decoder (used on many low cost
> TV cards). They have high speed ADC but alas, the chip
> processed the sampled data first before it is DMA'ed
> to the PC memory. How I wish Conexant add in a
> register to bypass the processing. BT878 however, have
> a lower speed ADC from where you can get the sampled
> data.
> 
> USRP is a good option but will need an upgrade on my
> PC (USB 1.2 only)
> 
> My question is have anyone use USRP through a USB2.0
> PCI interface card instead going direct to the onboard
> USB 2.0 interface ?

I've tested it using a couple of PCI plug in cards.  
With a card based on the VIA chip set it'll sustain 16MB/sec full
duplex. 

Eric