> Dear Caspers, > > I have one 5007 (with an external power supply) which I use to clock > the ADC and it's working like a charm. However, I would like to get rid > of windows.... > > Dan, how can I get linux drivers for this valon? Hi all.
there's been talk about linux drivers for the 5007 part. We (NRAO, and specifically Patrick Brandt) have software that works and we are finishing up the testing and packaging. It is generic enough that it should be usable for anyone. I will hopefully post it all to the casper web site within a couple of weeks along with a bit of documentation. John > > Regards, > > Daniel. > > On Fri, 06 May 2011 07:14:30 -0700, Dan Werthimer > <[email protected]> wrote: >> hi danny, cc stuart rumley, valon technology >> >> i agree with dana - if you use a switching power >> supply to power a synthesizer, the phase noise >> and jitter will likely be terrible and you'll get spurs >> and degraded SNR. >> >> i suggest you check with stuart rumley, the designer >> of the valon technology synthesizer, (cc'ed on this) >> to see if there is additional voltage regulation and >> filters on the synthesizer board and if you can get away >> with using a switching power supply and removing >> the 5 volt regulator. >> >> btw, nrao has developed linux drivers for the valon 5007. >> >> best wishes, >> >> dan >> >>> Dear All >>> >>> We are the proud new owners of some Valon 5007 synthesizer modules, >>> which we plan to use to clock our ROACHes: >>> >>> http://www.valontechnology.com/products.html >>> http://casper.berkeley.edu/wiki/Inexpensive_Synthesizer_Boards >>> >>> It has a 5V LDO voltage regulator, so they recommend an input >>> voltage of 6V. We were thinking of just powering these with the ROACH >>> ATX 5V supply and housing them inside the ROACH chassis; has anyone >>> done this before or have any advice? >>> >>> Cheers >>> Danny >>> > > -- > -------------------------------- > Daniel Esteban Herrera Peña > Ingeniero Civil Electrónico > Universidad de Concepción, Chile. > (41)220-3520 842-38325 > -------------------------------- >
