Re: [ARTIQ] DSP gateware

2016-08-03 Thread j arl
​Thank you for the detailed study Robert. ​ > This setup can -- for example -- generate a two-tone signal at 162 MHz > and 238 MHz by setting f0=157 MHz, f1=5 MHz, f2=81 MHz. The attached > plot has the data and the spectrum from a bit-accurate simulation of > the full FPGA gateware. Units are "n

Re: [ARTIQ] DSP gateware

2016-08-03 Thread Robert Jördens
Hi Dave, On Mon, Aug 1, 2016 at 5:15 PM, Leibrandt, David R. (Fed) wrote: > 1. I assume this logic would be followed by some sort of digital filter to > remove the unwanted Nyquist images. Have you thought about how good of > suppression you might be able to achieve, and at what FPGA resource

Re: [ARTIQ] DSP gateware

2016-08-03 Thread Robert Jördens
On Mon, Aug 1, 2016 at 3:59 PM, Jonathan Mizrahi wrote: > I have one question, just out of curiosity: What is the motivation of > linking two "buddy" channels in the way you described, with the b and c > flags to turn these on and off? What application uses this feature? A pair of buddy channels

Re: [ARTIQ] Applets and Datasets

2016-08-03 Thread Stevens, Kelly E. M.
I get your point about document maintenance; but I'm hoping the beauty of an open source software community for artiq will be that you have contributors willing to help keep your documentation maintained. When I was simply using the material that was already there I wasn't able to figure it out