Re: [ARTIQ] ARTIQ hardware proposal

2016-03-19 Thread Tan, Ting Rei (IntlAssoc)
I agree that not stuffing ADC does not make things worthwhile. How about considering a DSP breakout board similar to the standalone digital box? This, obviously, is another piece of hardware need to be maintained. But I think this makes more sense for the application of laser stabilization,

Re: [ARTIQ] ARTIQ hardware proposal

2016-03-19 Thread Robert Jördens
On Sat, Mar 19, 2016 at 8:54 PM, Tan, Ting Rei (IntlAssoc) wrote: > For complicated trap users, the most common use case is to drive trap > electrode so we will need much more DAC channels and ADC channels. One > possible solution is to have two kind of DSP boards? One with

Re: [ARTIQ] ARTIQ hardware proposal

2016-03-19 Thread Robert Jördens
On Sat, Mar 19, 2016 at 12:09 PM, Sébastien Bourdeauducq wrote: > What about grounding the FMC pins near the analog signals, would that help? Yes. This is also what the USRP hardware does. And FMC does ground shielding for its regular digital pairs as well. Given that nobody

Re: [ARTIQ] ARTIQ hardware proposal

2016-03-19 Thread Sébastien Bourdeauducq
On Friday, 18 March 2016 4:27:53 PM HKT Ben Keitch wrote: > This gives me a 404: > > http://ssl.serverraum.org/lists-archive/artiq/attachments/20160318/ce9d656c/ > attachment.pdf This links works fine here. Anyway, here is the slightly updated version. Change log: