Magnus Danielson said the following on 07/24/2006 01:52 PM: > From: John Ackermann N8UR <[EMAIL PROTECTED]> > Subject: Re: [time-nuts] Z3801 lockin behaviour > Date: Mon, 24 Jul 2006 13:18:06 -0400 > Message-ID: <[EMAIL PROTECTED]> > >>Magnus, I like Tom's idea of plotting the 10MHz with no GPS signal, to >>see if it's the oscillator or not, but I would go one step further and >>disconnect the EFC input from anything to rule out any noise in the >>control circuitry. > > > Actually, that is not the reason for disconnecting the EFC input, the real > reason is that the EFC does not stay put just because of holdover since it has > the HP SmartClock technology. That means that it will adjust the EFC as a > result of temperature and supply rail voltages.
Good point. I was going to mention the holdover behaviour, but forgot. I'm getting old... John _______________________________________________ time-nuts mailing list [email protected] https://www.febo.com/cgi-bin/mailman/listinfo/time-nuts
