On Fri, 2008-06-13 at 19:31 +0100, [EMAIL PROTECTED] wrote: Hi Paul,
> Interesting work posted here about phase noise and how the psu affects > this, I have a couple of questions while I'm planning the supply - > > First, which rail affected the noise component most? Interesting question. > Second, what current does the unit draw from each of the rails? http://www.leapsecond.com/pages/tbolt/power.htm > My Symetricon splitter takes the gps antenna supply 5v from the receiver > in my ntp server so normally the feed from the thunderbolt wont have > any load so I'd be particularly interested to know how much current at > 5v is needed with no antenna connected. The antenna I use wants less than 39mA at (2.5 to 24)VDC. So the antenna draw at 5V is usually a small part of the total 5V power usage. -- Björn _______________________________________________ time-nuts mailing list -- [email protected] To unsubscribe, go to https://www.febo.com/cgi-bin/mailman/listinfo/time-nuts and follow the instructions there.
