); SAEximRunCond expanded to false Errors-To: [EMAIL PROTECTED] RETRY From: Bruce Griffiths <[EMAIL PROTECTED]> Subject: Re: [time-nuts] Fury Interface Board: 5MHz needed? Date: Thu, 08 Nov 2007 14:06:50 +1300 Message-ID: <[EMAIL PROTECTED]>
Bruce, > Magnus Danielson wrote: > > It isn't the same but if you think of it, the only real solution would be to > > have a diffrential EFC input. But then again, you can't win them all, and > > the > > relevance may be very low except for a few odd cases. > > > > > The HP10543A OCXO EFC connections were isolated from the rest of the > circuit which had a single ground pin. > The anode and cathode of the diode were connected via resistors to 2 > isolated pins. Such an arrangement would allow the diode to be put into a feedback loop of an op-amp in virtual ground arrangement if a designer feel it is a better drive mode. Cheers, Magnus _______________________________________________ time-nuts mailing list -- time-nuts@febo.com To unsubscribe, go to https://www.febo.com/cgi-bin/mailman/listinfo/time-nuts and follow the instructions there.
