There is currently a thread on EEVBlog where one has already been built. I believe it can be purchased once the final layout is completed.
http://www.eevblog.com/forum/projects/project-kx-diy-calibrator-reference-sourcemeter/ Todd On Fri, Jan 30, 2015 at 8:24 AM, Dr. David Kirkby (Kirkby Microwave Ltd) < [email protected]> wrote: > On 30 January 2015 at 12:25, Will <[email protected]> wrote: > > The boards are factory rejects. > > I doubt all boards on eBay are in this category. Some are probably > quite genuine, some may be rejects, and it would never surprise me if > some are counterfeit. The problem is, I have no idea what ones are > what. > > I don't know what the problems sourcing the parts for making a > reference would be, but if a number of people wanted to make one from > parts, perhaps someone could produce a PCB and people contribute > towards the cost of it. Maybe leave people to get their own reference > chip, as there are different grades of that. But things like the > precision resistors may be easier to buy in a quantity of 10 rather > than 1. > > I would certainly not mind buying one if a PCB was available. Even if > it works out costing a bit more than a 3458A reference from eBay, I'd > feel a bit happier. > > Dave > _______________________________________________ > volt-nuts mailing list -- [email protected] > To unsubscribe, go to > https://www.febo.com/cgi-bin/mailman/listinfo/volt-nuts > and follow the instructions there. > _______________________________________________ volt-nuts mailing list -- [email protected] To unsubscribe, go to https://www.febo.com/cgi-bin/mailman/listinfo/volt-nuts and follow the instructions there.
